Program of the Sessions – Columbus, OH, Friday, September 21 (Cont’D.)

Program of the Sessions Columbus, Ohio, September 21–23, 2001

2:00PM New lower bounds on the maximum number of Friday, September 21 (6) mutually orthogonal Steiner triple systems. Preliminary report. Meeting Registration Jeff Dinitz*, University of Vermont, and Peter Dukes, Calif. Institute of Technology (969-05-233) 12:30 PM –4:30PM MW 154, Mathematics Tower (MW) 2:30PM On abelian relative difference sets which are (7) extensions of diffrence sets with classical AMS Exhibit and Book Sale parameters. Preliminary report. Nobuo Nobu Nakagawa, Naka, Department of 12:30 PM –4:30PM MW 724, Mathematics Tower (MW) Mathematics Faculty of Science and Technology (969-05-66) Special Session on Algebraic Cycles, Algebraic 3:00PM Higher Weights and Nonbinary Self-Dual Codes. Geometry, I (8) Steven T Dougherty, University of Scranton, and Aaron Gulliver*, University of Victoria (969-94-220) 1:30 PM –5:15PM UH 0151, UniversityHall (UH) 3:30PM A technique for constructing non-embeddable (9) quasi-residual designs. Organizer: RoyJoshua , Ohio State University YuryJ. Ionin *andKirsten Mackenzie-Fleming, 1:30PM Equivariant Todd Classes for Toric Varieties. Central Michigan University (969-05-246) (1) Jean-Luc Brylinski, Penn State University, and Bin 4:00PM An Existence Theorem for Group Divisible 2-Designs Zhang*, SUNY at Stony Brook (969-14-131) (10) of Large Order. 2:30PM Combinatorics of the Toric Hilbert Scheme. Hedvig Mohacsy*andDijen K Ray-Chaudhuri,The (2) Rekha R Thomas*, University of washington, and Ohio State University (969-05-250) , Institute for Advanced Study Diane Maclagan 4:30PM Extremal problems under dimension constraints. (969-05-185) (11) Preliminary report. 3:30PM (Eqivariant) vectorbundles on certain exotic Rudolf Ahlswede*, Harout Aydinian and Levon H (3) 3-spaces. Khachatrian, University of Bielefeld (969-05-117) Peter Russell, McGill University (969-14-200) 4:30PM K-Theory and Standard Monomial Theory. (4) Preliminary report. Special Session on Commutative Algebra, I Venkatramani Lakshmibai*, Northeastern University, and Peter Littelmann,Universityof 1:30 PM –5:20PM UH 0147, UniversityHall (UH) Wuppertal (969-14-211) Organizers: Evan Houston,UniversityofNorth Carolina, Charlotte Special Session on Coding Theory and Designs, I Alan Loper, Ohio State University 1:30PM Discussion 1:30 PM –4:50PM UH 0090, UniversityHall (UH) 2:00PM Non-standard Tight Closure and Symbolic Powers. Organizers: Tom Dowling, Ohio State University (12) Hans Schoutens, Ohio State University (969-13-75) Dijen Ray-Chaudhuri 2:30PM Trace Properties and Integal Domains, II. 1:30PM Designs in Shortened Additive GF(4) Codes. (13) Preliminary report. (5) Preliminary report. Thomas G Lucas*, University of North Carolina Vera Pless*andJon-Lark Kim,Universityof Charlotte, and Abdeslam Mimouni,Universityof Illinois-Chicago (969-94-162) Fez (969-13-194)

The time limit for each contributed paper in the sessions is ten minutes. found in Volume 22, Issue 3 of Abstracts of papers presented to the In the Special Sessions the time limit varies from session to session and American Mathematical Society, ordered according to the numbers in within sessions. To maintain the schedule, time limits will be strictly parentheses following the listings. The middle two digits, e.g., 897-20- enforced. 1136, refer to the Mathematical Reviews subject classiﬁcation assigned For papers with more than one author, an asterisk follows the name of by the individual author. Groups of papers for each subject are listed the author who plans to present the paper at the meeting. chronologically in the Abstracts. The last one to four digits, e.g., 897-20-

Papers ﬂagged with a solid triangle (I) have been designated by the 1136, refer to the receipt number of the abstract; abstracts are further author as being of possible interest to undergraduate students. sorted by the receipt number within each classiﬁcation. Abstractsofpaperspresentedin the sessions at this meeting will be

Appendix–8 NOTICES OF THE AMS VOLUME 48, NUMBER 9 Columbus, OH, Friday, September 21 – Program of the Sessions

3:00PM Coherent Gaussian Rings. Preliminary report. 2:00PM Generating classical groups. Preliminary report. (14) Sarah Glaz, University of Connecticut (969-13-195) (27) Robert M Guralnick,UniversityofSouthern 3:30PM Zero-Divisor Graphs of Commutative Rings. California, and Corneliu G Hoffman*, Bowling (15) Preliminary report. Green State University (969-20-138) David F Anderson*, University of Tennessee, Ron 2:30PM A Phan-type theorem for the symplectic group. Levy and JayShapiro , George Mason University (28) Ralf Gramlich, Eindhoven University of Technology, (969-13-126) Corneliu Hoffman and SergeyShpectorov *, 4:00PM Decompositions of modules over rings of bounded Bowling Green State University (969-20-184) (16) representation type. 3:00PM A new approach to the k(GV)-problem. Meral Arnavut*, SUNY Fredonia and University of (29) Thomas Michael Keller, Southwest Texas State Nebraska-Lincoln, and Sylvia Wiegand,University University (969-20-70) 0f Nebraska-Lincoln (969-13-229) 3:30PM The Number of Irreducible Character Degrees of 4:30PM Some Finiteness Conditions on Overrings of an (30) Solvable Groups Satisfying the One-Prime (17) Integral Domain. Preliminary report. Hypothesis. Robert Gilmer, Florida State University (969-13-34) Mark L Lewis, Kent State University (969-20-19) 5:00PM Representation Type of Commutative Noetherian 4:00PM Clifford classes for isoclinic groups. Preliminary (18) Rings: Global Wildness. (31) report. Lee C Klingler*, Florida Atlantic University, and Alexandre Turull, University of Florida Lawrence S Levy, University of Wisconsin-Madison (969-20-199) (969-13-216) 4:30PM Regular orbits of induced modules. (32) Thomas R. Wolf, Ohio University (969-20-198)

Special Session on Cryptography and Computational and Algorithmic Number Theory, I Special Session on L2 Methods in Algebraic and Geometric Topology, I 1:30 PM –5:20PM UH 0047, UniversityHall (UH) 1:30 PM –5:15PM BE 0184, Baker Systems Engineering (BE) Organizers: Eric Bach,Universityof Wisconsin-Madison Organizers: Dan Burghelea, Ohio State University Jonathan Sorenson, Butler University Michael Davis, Ohio State University 1:30PM Some Recent Results on Probable Prime Testing. 1:30PM Spectral ﬂow and Dixmier traces. (19) Preliminary report. (33) Alan L Carey*, University of Adelaide, John Siguna M. Mueller, University of Klagenfurt Phillips, University of Victoria, and Fyodor (969-11-215) Sukochev, Flinders University (969-58-164)

2:00PM Deﬁnite quadratic forms over Fq[x]. Preliminary 2:30PM On the zero-in-the-spectrum-conjecture. (20) report. (34) Michael Farber, Tel Aviv University (969-57-191) LarryJ Gerstein , University of California, Santa 3:30PM Semi-calssical assymptotic for determinants of Barbara (969-11-107) (35) operators almost elliptic with parameter. 2:30PM On ﬁxed points for discrete logarithms. Preliminary Maxim Braverman, Northeastern University (21) report. (969-58-57) Mariana Campbell, University of California, 4:30PM On the L2 spectrum of periodic differential Berkeley, and Carl Pomerance*, Bell Laboratories (36) operators. (969-11-179) Leonid Friedlander, University of Arizona 3:00PM Break (969-58-238) 3:30PM Virtual logarithms. (22) Oliver A Schirokauer, Oberlin College (969-11-213) Special Session on Proof Theory and the Foundations 4:00PM On group order distributions for abelian varieties of (23) low dimension. of Mathematics, I Annegret Weng, Institut fuer Experimentelle Mathematik (969-11-193) 1:30 PM –5:15PM UH 0082, UniversityHall (UH) 4:30PM Products of like-indexed terms in two binary Organizer: TimothyCarlson , Ohio State University

I (24) recurrences. Preliminary report. 1:30PM Lambda-calculus with internalization. Preliminary Florian Luca, Unidad Morelia, and GaryWalsh *, I (37) report. University of Ottawa (969-11-44) Sergei N Artemov, The City University of New York 5:00PM Construction of elliptic curves over ﬁnite ﬁelds with Graduate Center (969-03-212) (25) known number of points. 2:30PM Relating the Veblen and Mahlo hierarchies. Amod Agashe, University of Texas, Austin, Kristin (38) Michael Rathjen, University of Leeds (969-03-110) E. Lauter*andRamarathnam Venkatesan, 3:30PM Hilbert’s Consistency Proofs. Microsoft Research (969-11-232) (39) Wilfried Sieg, Carnegie Mellon University (969-03-109) 4:30PM Envisioning the Triumph of Constructive Special Session on Group Theory, I

I (40) Mathematics. Matthew Frank, University of Chicago (969-03-15) 1:30 PM –4:50PM BE 0394, Baker Systems Engineering (BE) Organizers: Koichiro Harada, Ohio State University Surinder Sehgal, Ohio State University Special Session on Rings and Modules, I

Ronald Solomon, Ohio State University 1:30 PM –5:20PM UH 0043, UniversityHall (UH) 1:30PM A geometry based proof of Phan’s Theorem. (26) Curtis D. Bennett*andSergeyShpectorov , Organizers: S. K. Jain, Ohio University Bowling Green State University (969-20-169) Tariq Rizvi, Ohio State University

OCTOBER 2001 NOTICES OF THE AMS Appendix–9 Program of the Sessions – Columbus, OH, Friday, September 21 (cont’d.)

1:30PM Torsion freeness of units of 1+ A(G)A(N). Preliminary 2:30PM A (co)sheaf approach to topological ﬁeld theory. (41) report. (57) Preliminary report. Sudarshan K Sehgal, University of Alberta Frank S Quinn, Virginia Tech (969-57-239) (969-16-96) 3:00PM Break 2:00PM On the commutation of envelopes and covers of 3:30PM Categorical Deformations and Topological (42) modules. Preliminary report. (58) Invariants. Philipp S Rothmaler, Ohio State University David N Yetter, Kansas State University (969-16-50) (969-18-241) 2:30PM The pure-injective envelope of a Camillo-Krause 4:00PM Relativistic Spin neta and applications. (43) ring. Preliminary report. (59) Louis Crane, Kansas State University (969-81-231) Ivo Herzog, Ohio State University at Lima (969-16-36) Special Session on Differential Geometry and 3:00PM Semiprime Goldie rings with one-sided ideals CS. Applications, I (44) Dinh V. Huynh, Surender K. Jain and Sergio R. Lopez-Permouth´ *, Ohio University (969-16-157) 2:30 PM –4:25PM BE 0188, Baker Systems Engineering (BE) 3:30PM Reversible and Symmetric Rings. Organizers: Andrzej Derdzinski, Ohio State (45) Greg Marks, St. Louis University (969-16-88) University 4:00PM Homological Properties of Cohen-Macaulay Graded Fangyang Zheng, Ohio State University (46) Algebras. Izuru Mori, Purdue University (969-16-130) 2:30PM Circular Billiard Tables, Conjugate Loci, and a

I (60) Cardioid. 4:30PM Forcing Linearity Numbers. Richard L Bishop, Univ. of Illinois at (47) C. J. Maxson, Texas A&M University (969-16-43) Urbana-Champaign (969-53-159) 5:00PM On rings satisfying the Armendariz property for 3:00PM Generalized Sasaki Distance and Metric (48) skew polynomials. (61) Characterization of Riemannian Spaces. Tai Keun Kwak*, Daejin University, and Chan Yong Igor G Nikolaev, University of Illinois at U–C Hong, Kyunghee University (969-16-129) (969-53-101) 3:30PM Computational aspects of inﬁnite type integrable (62) surfaces. Preliminary report. Special Session on Spectral Theory of Schrodinger¨ Ivan C Sterling, St Mary’s College of Maryland Operators, I (969-53-137) 4:00PM Ricci tensor of Pseudo-cylindric Riemannian Metrics. 1:30 PM –5:20PM UH 0086, UniversityHall (UH) (63) A. Raouf Chouikha, University of Paris-Nord Organizers: Boris Mityagin, Ohio State University (969-53-31) Sergei Novikov, University of Maryland Invited Address 1:30PM On Inverse Sturm-Liouville Problems with Complex (49) Potentials. Preliminary report. 5:30 PM –6:20PM EA 160, Math Annex (EA) Malcolm Brown, Cardiff University, Ian Knowles and Rudi Weikard*, University of Alabama at (64) Billiards in rational polygons. Birmingham (969-34-161) Alex Eskin, University of Chicago 2:00PM Smoothness of periodic Schrodinger¨ potential and (50) decay rate of spectral gaps. Plamen Djakov, Soﬁa University, and Boris Mityagin*, The Ohio State University (969-47-106) Saturday, September 22 3:00PM Vector bundles and Lax operators on algebraic (51) curves. Meeting Registration Igor Krichever, Dept Math Columbia Univ, New York, and Landau Physics Institute, Moscow 8:30 AM –4:30PM MW 154, Mathematics Tower (MW) (969-47-230) 3:30PM On algebro-geometric matrix-valued KdV potentials. Special Session on Algebraic Cycles, Algebraic (52) Preliminary report. Geometry, II Fritz Gesztesy, University of Missouri (969-34-123) 8:30 AM – 11:15 AM UH 0151, UniversityHall (UH) 4:00PM The Interaction of Phases in KdV Modulations. (53) Fei-Ran Tian, Ohio State University (969-35-114) Organizer: RoyJoshua , Ohio State University 4:30PM First KdV integrals and absolutely continuous 8:30AM Real Regulators on Milnor Complexes. (54) spectrum for 1-D Schroodinger¨ operator. (65) James D Lewis, University of Alberta (969-14-121) Mikhail V Novitskii, The Uiversity of North Carolina 9:30AM Period Integrals and Feynman amplitudes. at Charlotte (969-47-176) (66) Preliminary report. 5:00PM Feynman-Kac propagators for the heat equation Prakash Belkale, University of Utah, and Patrick G (55) with a time-dependent potential. Brosnan*, University of California, Los Angeles Archil Gulisashvili, Ohio University (969-35-158) (969-14-218) 10:30AM Motives in characteristic zero. (67) Evangelos Mouroukos, University of Michigan Special Session on Quantum Topology, I (969-14-210)

2:00 PM –4:20PM BE 0285, Baker Systems Engineering (BE) Special Session on Coding Theory and Designs, II Organizer: Thomas Kerler, Ohio State University 8:30 AM – 11:20 AM UH 0090, UniversityHall (UH) 2:00PM Monoidal and braided structures in near-group (56) categories. Preliminary report. Organizers: Tom Dowling, Ohio State University Jacob Siehler, Virginia Tech (969-18-262) Dijen Ray-Chaudhuri

Appendix–10 NOTICES OF THE AMS VOLUME 48, NUMBER 9 Columbus,OH,Saturday,September22– Program of the Sessions

8:30AM Assmus-Mattson Theorem on Additive Codes over 9:00AM Conditional and Unconditional Fundamental Unit

(68) GF(4). Preliminary report. I (80) Computation in Real Quadratic Fields. Preliminary Jon-Lark Kim*andVera Pless,Universityof report. Illinois-Chicago (969-94-180) Michael J. Jacobson, Jr.*, University of Manitoba, 9:00AM Schur rings and circulant graphs I. From algebraic and Hugh C. Williams, University of Calgary (69) background to symmetry in circulants. (969-11-181) Andrew J Woldar, Villanova University (969-05-226) 9:30AM Recent results on the computation of zeta values at 9:30AM Schur rings and circulant graphs: II. Automorphism (81) negative integers. Preliminary report. (70) groups of circulant graphs with a prime-power Joshua R Holden, Rose-Hulman Institute of number of vertices. Technology (969-11-168) Mikhail Klin*, Ben-Gurion University of the Negev, 10:00AM Break and Reinhard Poeschel, Technological University of 10:30AM Unit Computation in Purely Cubic Function Fields. Dresden (969-05-225) (82) Preliminary report. 10:00AM New partial difference sets in abelian p-groups. Yoonjin Lee, University of Delaware, and Renate (71) Xiang-dong Hou, Wright State University Scheidler*, University of Calgary (969-11-167) (969-05-65) 11:00AM On the iteration of certain quadratic maps over

10:30AM Some new results on perfect sequences and a proof I (83) GF(p). (72) of the Lin and Gong conjectures. Preliminary report. TroyMJ Vasiga *andJeffreyO Shallit ,University KTArasu*, Wright State University, J F Dillon, of Waterloo (969-11-74) National Security Agency, and KJPlayer,Wright State University (969-05-208) 2 11:00AM The subconstituent algebra of a distance-regular Special Session on L Methods in Algebraic and (73) graph. Geometric Topology, II Paul M Terwilliger, University of Wisconsin (969-05-68) 8:30 AM – 11:15 AM BE 0184, Baker Systems Engineering (BE) Special Session on Commutative Algebra, II Organizers: Dan Burghelea, Ohio State University Michael Davis, Ohio State University 8:30 AM – 11:20 AM UH 0147, UniversityHall (UH) 8:30AM Betti number growth for coverings. Organizers: Evan Houston,UniversityofNorth (84) Bryan F Clair*, Saint Louis University, and Kevin M Carolina, Charlotte Whyte, Univ. Of Illinois - Chicago (969-54-51) Alan Loper, Ohio State University 9:30AM Zero divisors and approximating L2-Betti numbers. 8:30AM Discussion (85) Peter A Linnell, Virginia Tech (969-46-155) 9:00AM Building integral domains using power series I. 10:30AM Reﬁned semiclassical asymptotics and a vanishing (74) William J. Heinzer, Purdue University, Christel (86) theorem for higher traces. Preliminary report. Rotthaus, Michigan State University, and Sylvia M. Yuri A Kordyukov, Department of Mathematics, Wiegand*, University of Nebraska (969-13-165) Ufa State Aviation TechnicalUniversity, Ufa,Russia, Varghese Mathai, Department of Mathematics, 9:30AM Building integral domains using power series II. (75) Preliminary report. University of Adelaide, Adelaide, Australia, and William J. Heinzer*, Purdue University, Christel Mikhail A Shubin*, Department of Mathematics, Rotthaus, Michigan State University, and Sylvia M. Northeastern University, Boston (969-58-147) Wiegand, University of Nebraska (969-13-166) 10:00AM The half-factorial property in power series (76) extensions. Special Session on Multivariate Generating Functions Jim Coykendall, North Dakota State University and Automatic Computation, I (969-13-141) 8:30 AM –10:50AM BE 0136, Baker Systems 10:30AM Well-centered overrings of an integral domain. Engineering (BE) (77) Preliminary report. William Heinzer, Purdue University, and Moshe Organizer: Robin Pemantle, Ohio State University Roitman*, University of Haifa (969-13-140) 8:30AM Session Introduction 11:00AM Survival-pairs of commutative rings have the 9:00AM Asymptotic enumeration of integer partitions by (78) lying-over property.

I (87) parameters. Preliminary report. Jim Coykendall, North Dakota State University, E. RodneyCanﬁeld , University of Georgia Fargo, North Dakota 58105-5075, and David E. (969-05-87) Dobbs*, University of Tennessee, Knoxville, Tennessee 37996-1300 (969-13-85) 9:30AM Asymptotics of multivariate generating functions. (88) Robin Pemantle, Ohio State University, and Mark C Wilson*, University of Auckland (969-05-82) Special Session on Cryptography and Computational 10:30AM A multivariate version of Flajolet-Odlyzko’s transfer and Algorithmic Number Theory, II (89) theorem and its applications to random maps. Jason Z Gao*, Carleton University, and Nick 8:30 AM – 11:20 AM UH 0047, UniversityHall (UH) Wormald, University of Melbourne (969-05-41) Organizers: Eric Bach,Universityof Wisconsin-Madison Special Session on Proof Theory and the Foundations Jonathan Sorenson, Butler University of Mathematics, II 8:30AM Some Computational Results Concerning Yokoi’s

I (79) Conjecture. Preliminary report. 8:30 AM – 11:15 AM BE 0291, Baker Systems Jozsef Beck,RutgersUniversity,Edlyn Teske, Engineering (BE) University of Waterloo, and Hugh C Williams*, University of Calgary (969-11-182) Organizer: TimothyCarlson , Ohio State University

OCTOBER 2001 NOTICES OF THE AMS Appendix–11 Program of the Sessions – Columbus, OH, Saturday, September 22 (cont’d.)

8:30AM Applied foundations: recent progress in proof Special Session on Spectral Theory of Schrodinger¨ (90) mining. Operators, II Ulrich W Kohlenbach, Department of Computer Science, University of Aarhus (969-03-92) 8:30 AM – 11:20 AM BE 0130, Baker Systems 9:30AM Provable Recursiveness and Complexity. Engineering (BE) (91) StanleyS Wainer , University of Leeds UK Organizers: Boris Mityagin, Ohio State University (969-03-173) Sergei Novikov, University of Maryland 10:30AM Update procedures and the 1-consistency of (92) arithmetic. 8:30AM Magnetic Schrodinger¨ operators: discreteness of JeremyAvigad , Carnegie Mellon University (104) spectrum and strict positivity criteria. Preliminary (969-03-177) report. Vladimir A Kondratiev, Department of Mechanics and Mathematics, Moscow State University, Moscow, Russia, Vladimir G Maz’ya, Department of Mathematics, Linkoping¨ University, Sweden, and Special Session on Quantum Topology, II Mikhail A Shubin*, Department of Mathematics, Northeastern University, Boston, MA (969-35-149) 8:30 AM – 11:20 AM BE 0285, Baker Systems 9:00AM Hydrogen atom in magnetic ﬁeld: approximating Engineering (BE) (105) eigenfunctions. Organizer: Thomas Kerler, Ohio State University Alexander V Turbiner, Nuclear Science Institute, UNAM (969-35-237) 8:30AM Quantum deformations of fundamental groups. (93) Preliminary report. 9:30AM 2D Schroedinger Operators, Solitons, Spectral Uwe Kaiser, Boise State University (969-57-153) (106) Symmetries. SergeyNovikov , University of Maryland, College 9:00AM Shadow World Evaluation of the Yang-Mills Measure. Park, USA & Landau Instituteof the Russian Academy (94) Charles Frohman, University of Iowa, and Joanna of Sciences, Moscow, Russia (969-47-186) Kania-Bartoszynska*, Boise State University (969-57-39) 10:30AM Perturbation Formulae for the Two-Dimensional (107) Periodic Magnetic Schrodinger¨ Operator. 9:30AM Lagrangian approximation of Fox p-colorings of Preliminary report. (95) p tangles; Fox approximation of rational q -moves. Yulia E Karpeshina, UAB (969-35-142) Preliminary report. 11:00AM Behavior of dispersion curves near spectral edges Jozef H Przytycki, GWU (969-57-224) (108) and properties of periodic elliptic equations. 10:00AM Break Peter Kuchment*, Texas A&M University, Vassilis Papanicolaou, Wichita State University, and Yehuda 10:30AM 3-dimensional topology inspired by number theory. (96) Preliminary report. Pinchover, Technion, Israel (969-35-150) AdamSSikora, CRM Montreal (969-57-209) 11:00AM Asymptotics of the Turaev-Viro Invariant. Special Session on Fractals, I (97) Preliminary report. Charles D Frohman*, The University of Iowa, and 8:30 AM – 11:20 AM BE 0192, Baker Systems Thomas Kerler, Ohio State University (969-57-151) Engineering (BE) Organizer: Gerald Edgar, Ohio State University 8:30AM Multifractal products of stochastic processes. Special Session on Rings and Modules, II (109) Rolf Riedi*, Rice Univ, P. Mannersalo, Melbourne, Australia, and I. Norros, Helsinke, Finland 8:30 AM – 11:20 AM UH 0051, UniversityHall (UH) (969-60-242) 9:00AM Sierpinski Pedal Triangles. Preliminary report. Organizers: , Ohio University S. K. Jain I (110) Xin-Min Zhang*, University of South Alabama, Tariq Rizvi, Ohio State University Richard L Hitt, Univ. of South Alabama, and Jiu Ding, Univ. of Southern Mississippi (969-51-29) 8:30AM Some new results and questions related to Koethe’s (98) nil ideal problem. 9:30AM On the analysis on Sierpinski gaskets.

Edmund R. Puczylowski, Institute of Mathematics, I (111) Alexander Teplyaev, NSF/UC Riverside (969-31-14) University of Warsaw (969-16-154) 10:00AM Inside the L`evy dragon.

9:00AM Krull-Schmidt categories with the Artinian condition I (112) Scott Bailey*, Theodore Kim and Robert S (99) on morphisms. Preliminary report. Strichartz, Cornell University (969-28-55) Nguyen Viet Dung*, Ohio University - Zanesville, 10:30AM Exact Hausdorff Measure of the Graph of Brownian and Jose Luis Garcia, University of Murcia, Spain (113) Motion on Some Nested Fractals. Preliminary report. (969-16-124) Yimin Xiao, Michigan State University (969-60-89) 9:30AM Costar Modules. 11:00AM Complex Dimensions of Self-Similar Fractals. (100) Robert R Colby and Kent R Fuller*, University of (114) Michel L. Lapidus, University of California Iowa (969-16-122) (969-37-42) 10:00AM Essential Extensions which are FI-Extending. (101) GaryF Birkenmeier *, University of Louisiana at Special Session on Differential Geometry and Lafayette, Jae K Park, Busan National University, and S. Tariq Rizvi, Ohio State University at Lima Applications, II (969-16-90) 8:30 AM – 11:25 AM BE 0188, Baker Systems 10:30AM Structure of some Noetherian SI-rings. Engineering (BE) (102) Dinh V Huynh, Ohio University (969-16-204) 11:00AM On Additive Rank Functions. Organizers: Andrzej Derdzinski, Ohio State (103) John A Beachy, Northern Illinois University University (969-16-48) Fangyang Zheng, Ohio State University

Appendix–12 NOTICES OF THE AMS VOLUME 48, NUMBER 9 Columbus,OH,Saturday,September22– Program of the Sessions

8:30AM Lagrangian Helicoids. 10:30AM First Passage Times of a Jump Diffusion Process. (115) David E Blair, Michigan State University (969-53-72) (128) Steve Kou, Columbia University, and Hui Wang*, 9:00AM The S2 ×S1 singularity of the Ricci ﬂow. Preliminary Brown University (969-60-59) (116) report. 11:00AM Optimal execution with nonlinear cost functions and

Tom Ilmanen,ETH-Zurich,¨ and Dan Knopf*, I (129) trading-enhanced risk. University of Wisconsin - Madison (969-53-116) Robert F Almgren, University of Toronto 9:30AM Compactiﬁcations of hermitian symmetric spaces (969-91-214) (117) and the moment map. Preliminary report. Lizhen Ji, Univ of Michigan, Ann Arbor (969-53-80) Invited Address 10:00AM Dependence of spectral invariants on geometric (118) moduli. 11:40 AM – 12:30 PM EA 160, Math Annex (EA) Chris M Judge, Indiana University (969-53-103) (130) “Fubini’s nightmare” in smooth ergodic theory. 10:30AM Virasoro conjecture for Gromov-Witten Invariants. Yakov B. Pesin, Pennsylvania State University (119) Preliminary report. Xiaobo Liu, University of Notre Dame (969-53-54) Invited Address 11:00AM Skew loops and quadric hypersurfaces.

I (120) Bruce Solomon*, Indiana University, Mohammad 2:00 PM –2:50PM EA 160, Math Annex (EA) Ghomi, University of South Carolina, and Serge Tabachnikov, Penn State University (969-53-127) (131) Pricing and Risk Management in Incomplete Markets. Thaleia Zariphopoulou, University of Texas at AMS Exhibit and Book Sale Austin

8:30 AM –4:30PM MW 724, Mathematics Tower (MW) Special Session on Algebraic Cycles, Algebraic Geometry, III Special Session on Group Theory, II 3:00 PM –4:45PM UH 0151, UniversityHall (UH) 9:00 AM – 11:20 AM BE 0394, Baker Systems Engineering (BE) Organizer: RoyJoshua , Ohio State University 3:00PM Kummer elements in central simple algebras. Organizers: , Ohio State University Koichiro Harada (132) Markus Rost, Ohio State University (969-14-247) Surinder Sehgal, Ohio State University 4:00PM The gonality stratiﬁcation and the Kodaira Ronald Solomon, Ohio State University (133) dimension of the moduli space of curves. 9:00AM From alternating groups to the Monster. Preliminary Gavril M Farkas, Univ of Michigan (969-14-163)

I (121) report. Christopher S Simons,RowanUniversity Special Session on Coding Theory and Designs, III (969-20-53) 9:30AM Ascending HNN extensions of polycyclic groups are 3:00 PM –4:50PM UH 0090, UniversityHall (UH) (122) residually ﬁnite. Tim Hsu*, San Jos´e State University, and Daniel T Organizers: Tom Dowling, Ohio State University Wise, McGill University (969-20-205) Dijen Ray-Chaudhuri 10:00AM Short proofs of embeddings into exceptional groups 3:00PM Quasi-symmetric Designs with Good Blocks and (123) of Lie type. (134) Intersection Number One. Preliminary report. Alexander J Ryba, Queens College, CUNY V.C. Mavron, T.P. McDonough,TheUniversityof (969-20-95) Wales, and M.S. Shrikhande*, Central Michigan University (969-05-18) 10:30AM Z3-twisted representations of lattice vertex operator (124) algebras. 3:30PM Discussion Ching Hung Lam*, National Cheng Kung University, 4:00PM A Class of Polynomial Codes and a Family of Taiwan, and , Hitotsubashi Hiromichi Yamada I (135) Griesmer Codes. Preliminary report. University, Japan (969-17-81) Nuh Aydin*andDijen K. Ray-Chaudhuri,TheOhio 11:00AM Norton’s trace formula for the Griess algebra and State University (969-05-20) (125) the modular invariance of the moonshine module. 4:30PM Products and Quotients of Association Schemes. Atsushi Matsuo, Department of Mathematical (136) Sejeong Bang,POSTECH,Mitsugu Hirasaka, Sciences, Graduate School of Mathematical National Taiwan University, and Sung Y Song*, Iowa Sciences, University of Tokyo (969-17-108) State University (969-05-111)

Special Session on Stochastic Modeling in Financial Special Session on Commutative Algebra, III Mathematics, I 3:00 PM –4:50PM UH 0147, UniversityHall (UH) 9:30 AM – 11:20 AM UH 0038, UniversityHall (UH) Organizers: Evan Houston,UniversityofNorth Organizer: Ronnie Sircar, Princeton University Carolina, Charlotte 9:30AM Analysis of Dependent Defaults via Intensity Based Alan Loper, Ohio State University (126) Approach, with Applications to Valuation of Basket 3:00PM S-Noetherian rings. Credit Derivatives. (137) Daniel D Anderson*, The University of Iowa, and Tomasz R. Bielecki*, Northeastern Illinois Tiberiu Dumitrescu, Universitatea Bucures¸ti University, and Marek Rutkowski,Warsaw (969-13-63) University of Technology (969-60-172) 3:30PM Another look at Nagata Type theorems. Preliminary 10:00AM Stochastic Volatility Asymptotics. (138) report. (127) Jean-Pierre Fouque, North Carolina State University Muhammad Zafrullah, Idaho State University (969-60-60) (969-13-190)

OCTOBER 2001 NOTICES OF THE AMS Appendix–13 Program of the Sessions – Columbus, OH, Saturday, September 22 (cont’d.)

4:00PM The Effect of Characteristic on Computing the 4:00PM Tensor product module and modular invariance of (139) Integral Closure of a Ring. (151) VOAs. Chad J McQuinn, Purdue University (969-13-245) Miyamoto Masahiko,UniversityofTsukuba 4:30PM Integer-valued polynomials and p-adic analytic (969-20-118) (140) functions II. 4:30PM GNAVOA, I (Groups, nonassociative algebras and Manjul Bhargava,ClayMathematics (152) vertex operator algebras; part I). Institute/Princeton University (969-13-256) Robert L. Griess, Jr., University of Michigan (969-20-201)

Special Session on Stochastic Modeling in Financial 2 Mathematics, II Special Session on L Methods in Algebraic and Geometric Topology, III 3:00 PM –4:50PM UH 0038, UniversityHall (UH) 3:00 PM –4:45PM BE 0184, Baker Systems Engineering (BE) Organizer: Ronnie Sircar, Princeton University Organizers: Dan Burghelea, Ohio State University 3:00PM Robust numerical approximations for Variational (141) Inequalities arising in mathematical Finance. Michael Davis, Ohio State University Agnes Tourin, University of Toronto (969-90-260) 3:00PM Coarse cohomology for foliations. 3:30PM A Closed-Form Formula for the Arithmetic Asian (153) James L. Heitsch, University of Illinois at Chicago (142) Option. (969-58-56) Vadim Linetsky,NorthwesternUniversity 4:00PM Discussion (969-60-146) 4:00PM Optimal bankruptcy time and Special Session on Multivariate Generating Functions (143) consumption/investment policies in a utility and Automatic Computation, II maximization problem on inﬁnite horizon. Peter Lakner, New York University (969-00-263) 3:00 PM –4:50PM BE 0136, Baker Systems Engineering (BE) 4:30PM Option pricing in the presence of large agents. Organizer: Robin Pemantle, Ohio State University (144) Preliminary report. Mattias Jonsson*andJussi Keppo,Universityof 3:00PM Multivariate generating functions from tiling Michigan (969-60-152) (154) problems. James G Propp, University of Wisconsin (969-05-26) 3:30PM Relax, but don’t be too lazy. Special Session on Cryptography and Computational

I (155) Joris van der Hoeven, CNRS, Universite Paris-Sud, and Algorithmic Number Theory, III Orsay, France (969-40-78) 4:30PM On the distribution of the number of Young 3:00 PM –4:50PM UH 0047, UniversityHall (UH)

I (156) tableaux for a uniformly random diagram. Organizers: Eric Bach,Universityof Preliminary report. Wisconsin-Madison Boris G Pittel, Department of Mathematics, The Jonathan Sorenson, Butler University Ohio State University (969-05-100) 3:00PM Ranks of quadratic twists of elliptic curves.

I (145) Alice Silverberg, Ohio State University (969-11-203) Special Session on Proof Theory and the Foundations 3:30PM Solving elliptic curve discrete logarithm problems of Mathematics, III (146) using Weil descent. Michael J Jacobson, University of Manitoba, Alfred 3:00 PM –4:45PM BE 0291, Baker Systems Engineering (BE) J Menezes, University of Waterloo, and Andreas Organizer: TimothyCarlson , Ohio State University Stein*, University of Illinois at Urbana-Champaign 3:00PM Operational theories of sets. Preliminary report. (969-94-187) (157) Solomon Feferman, Stanford University 4:00PM Elliptic curve cryptography: the case of NIST P-224. (969-03-132)

I (147) Daniel J. Bernstein, University of Illinois at Chicago 4:00PM Some aspects of linear logic. Preliminary report. (969-11-148) (158) Andreas R Blass, University of Michigan 4:30PM Analysis of the GHS Weil Descent Attack on the (969-03-120) (148) ECDLP over Characteristic Two Finite Fields of Compostite Degree. Preliminary report. Markus Maurer, University of Waterloo, Alfred J Special Session on Quantum Topology, III Menezes, Certicom Research & University of 3:00 PM –4:50PM BE 0285, Baker Systems Engineering (BE) Waterloo, and Edlyn E Teske*, University of Waterloo (969-11-115) Organizer: Thomas Kerler, Ohio State University 3:00PM Detecting Virtual Knots. Preliminary report. Special Session on Group Theory, III (159) Louis H Kauffman, University of Illinois at Chicago (969-57-170) 3:00 PM –4:50PM BE 0394, Baker Systems Engineering (BE) 3:30PM Tracelike functionals on the double of the Taft Hopf (160) algebras. Preliminary report. Organizers: Koichiro Harada, Ohio State University David E Radford*, University of Illinois at Chicago, Surinder Sehgal, Ohio State University and Sara Westreich, Bar-Ilan University (969-16-76) Ronald Solomon, Ohio State University 4:00PM Subtleties of the integrals for Hopf-algebra objects 3:00PM Characterization of some sradic simple groups. (161) in symmetric categories, and their reﬂection in (149) Preliminary report. topological invariants. Ronald M Solomon,TheOSU,andInna Fernando J. O. Souza, Dept. of C. & O. - University Korchagina*, Rutgers University (969-20-227) of Waterloo (969-18-259) 3:30PM Some non-split extensions of O7(3) and the 4:30PM A Space of Cyclohedra. Preliminary report. (150) Conway-Norton algebra for the Fischer group F24. (162) Satyan L Devadoss, Ohio State University Masaaki Kitazume, Chiba University (969-20-171) (969-57-134)

Appendix–14N OTICES OF THE AMS VOLUME 48, NUMBER 9 Columbus,OH,Saturday,September22– Program of the Sessions

Special Session on Rings and Modules, III Special Session on Differential Geometry and Applications, III 3:00 PM –4:50PM UH 0051, UniversityHall (UH) 3:00 PM –4:55PM BE 0188, Baker Systems Engineering (BE) Organizers: S. K. Jain, Ohio University Tariq Rizvi, Ohio State University Organizers: Andrzej Derdzinski, Ohio State University 3:00PM Γ -deviation and Localization of Lattices. (163) Toma Albu, University of Bucharest, and Mark L Fangyang Zheng, Ohio State University Teply*, University of Wisconsin-Milwaukee 3:00PM Rigidity of differentiable structures of line (969-16-175) (175) arrangements in CP2. 3:30PM Embedding noetherian rings into artinian ones. Stephen S. Yau, UIC (969-14-253) (164) Gunter¨ R Krause, University of Manitoba 3:30PM Classification of flat surfaces with constant Kaehler (969-16-248) I (176) angle in complex Euclidean plane. 4:00PM Generalized Triangular Matrix Rings and Bang-Yen Chen, Michigan State University (165) FI-Extending Property. (969-53-30) GaryF Birkenmeier , University of Louisiana at 4:00PM On the Existence of Focal Points near Closed Lafayette, Jae Keol Park*, Busan National (177) Geodesics on Surfaces. University, and S. Tariq Rizvi, Ohio State University Marlies Gerber, Indiana University (969-53-128) at Lima (969-16-79) 4:30PM Dirichlet Problem at Infinity for Open Manifolds with 4:30PM Perfect, semiperfect, and semiregular rings relative I (178) Big Ends. (166) to an ideal. Preliminary report. Jianguo Cao, Univerisity of Notre Dame (969-53-24) Mohamed F Yousif, Ohio State University at Lima, and Yiqiang Zhou*, Memorial University of Newfoundland (969-16-236) Session for Contributed Papers

3:00 PM –5:10PM BE 0198, Baker Systems Engineering (BE)

Special Session on Spectral Theory of Schrodinger¨ 3:00PM Behavior of Norms of Powers of Fourier Series. Operators, III (179) George C. Stey, The Ohio State University (969-42-221) 3:00 PM –4:50PM BE 0130, Baker Systems Engineering (BE) 3:15PM Turning Capability of Normal operators. Preliminary Organizers: Boris Mityagin, Ohio State University (180) report. Morteza Seddighin, Indiana University-East Sergei Novikov, University of Maryland (969-47-38) 3:00PM Reverse hypercontractivity and reverse log-Sobolev 3:30PM Complex Projections of Real Veronese Varieties. (167) inequalities and all that. (181) Adam Coffman, Indiana University Purdue Stephen B Sontz, CIMAT, Guanajuato, Mexico University Fort Wayne (969-32-64) (969-81-178) 3:45PM Representing Hierarchies of Predicates. 3:30PM On the low eigenvalues of some Schrodinger¨ (182) Edward R Griffor, ARDG (Algorithm Research and (168) operators containing curvature. Design Group) (969-03-11) Evans M Harrell, Georgia Institute of Technology (969-35-249) 4:00PM An Algorithm for Proving the Goldbach’s

I (183) Conjecture! 4:00PM On the inverse scattering problem on branching Vaidyanathan Jairaj, Bangalore, India (969-11-25)

I (169) graphs. Pavel B Kurasov, Dept. of Mathematics, Stockholm 4:15PM Mathematics: More Art or Science? Preliminary

Univ. (969-47-192) I (184) report. G. Arthur Mihram*, Princeton, NJ, and Danielle 4:30PM Laplacian and Schrodinger¨ operator on regular Mihram, Univ. of Southern California (969-03-188)

I (170) metric trees. Preliminary report. Jan Lang, Charles University, Prague (969-44-47) 4:30PM The relation between the elementary solutions of

I (185) the general third order and second ordrlinear differential equations. Ali A Salim, Amman-city center (969-34-13) Special Session on Fractals, II 4:45PM Lifting Idempotents and Projective Covers. (186) Dinesh K Khurana, Panjab University, Chandigarh 3:00 PM –4:50PM BE 0192, Baker Systems Engineering (BE) (India) (969-16-255) Organizer: Gerald Edgar, Ohio State University 5:00PM Enumeration of permutations with forbidden

3:00PM Exponential bases for Cantor measures. Preliminary I (187) templates. Preliminary report. (171) report. Yuan-Sheng Zhang, University of Pennsylvania Steen Pedersen, Wright State University (969-05-32) (969-42-12) 3:30PM Graph-directed iterated function systems with (172) overlaps. Invited Address Manav Das, University of Louisville, and Sze-Man Ngai*, Georgia Southern University (969-28-37) 5:10 PM –6:00PM EA 160, Math Annex (EA) 4:00PM Packing measure and dimension of random (188) On the geometric Langlands conjecture. (173) fractals. Preliminary report. Dennis Gaitsgory,HarvardUniversity Artemi Berlinkov and Daniel R. Mauldin*, University of North Texas (969-60-77) 4:30PM Packing dimension in random recursive Reception (Sponsored by the Department of (174) constructions. Mathematics) Artemi Berlinkov,UniversityofNorthTexas (969-28-99) 6:00 PM –8:00PM MW 724, Mathematics Tower (MW)

OCTOBER 2001 NOTICES OF THE AMS Appendix–15 Program of the Sessions – Columbus, OH, Sunday, September 23 (cont’d.)

9:30AM Elasticity of A + XI[X] domains. Sunday, September 23 (201) Nathalie Gonzalez, Sebastien Pellerin*and Richard Robert, Universite d’Aix-Marseille 3 Special Session on Group Theory, IV (969-13-174) 10:00AM Example of an interpolation domain. 8:30 AM – 12:20 PM BE 0394, Baker Systems (202) David C Lantz, Colgate University (969-13-52) Engineering (BE) 10:30AM Strongly Two-Generated Ideals in Rings of (203) Integer-Valued Polynomials Determined by Finite Organizers: Koichiro Harada, Ohio State University Sets. Surinder Sehgal, Ohio State University William W Smith*, University of North Carolina at Ronald Solomon, Ohio State University Chapel Hill, Scott T Chapman, Trinity University, 8:30AM On ﬁnite p-groups and their automorphisms. and Alan Loper, Ohio State University - Newark (189) Preliminary report. (969-13-33) JeffreyM Riedl , University of Akron (969-20-133) 11:00AM Ultraproducts of Commutative Rings. 9:00AM Finite groups with trivial Frattini subgroup. (204) Bruce Olberding, University of Louisiana at (190) Luise-Charlotte Kappe*, SUNY at Binghamton, and Monroe, and Azime S Saydam*, University of Joseph Kirtland, Marist College (969-20-49) Louisiana at monroe (969-13-113) 9:30AM Pronormal and Subnormal Subgroups and 11:30AM Separation of points by integer-valued polynomials. (191) Permutability. (205) Preliminary report. James Clark Beidleman*, University of Kentucky, Sophie Frisch, TU Graz (Austria) (969-13-258) and Hermann Heineken,Universit¨at of Wurzburg¨ (969-20-22) Special Session on Cryptography and Computational 10:00AM Fitting Set Functors. Preliminary report. and Algorithmic Number Theory, IV (192) Ben Brewster, SUNY at Binghamton (969-20-83) 9:00 AM – 11:50 AM UH 0047, UniversityHall (UH) 10:30AM Commutators ..... what’s the problem? (193) Ted Hurley, NUI, Galway (969-20-16) Organizers: Eric Bach,Universityof 11:00AM Permutation groups, sharp characters and the Wisconsin-Madison (194) Burnside ring. Preliminary report. Jonathan Sorenson, Butler University Kenneth W Johnson*, Penn State University, 9:00AM Computations Related to Catalan’s Conjecture.

Abington College, and Eirini Poimenidou,New I (206) Preliminary report. College USF (969-20-136) Jon Grantham*andFerrell Wheeler, IDA/CCS 11:30AM Separability properties of certain tree products. (969-11-217) (195) Preliminary report. 9:30AM Use of homomorphisms in cryptosystems. G. Kim, Yeungnam University, Korea., and Francis C (207) Jee H Koh, Indiana University (969-11-139) Tang*, University of Waterloo, Canada. (969-20-97) 10:00AM Break NOON The Zassenhaus Decomposition for the Orthogonal 10:30AM Local Zeta functions, Trees and One-Way Functions. (196) Group: Properties and Applications. (208) Preliminary report. Alexander J Hahn, University of Notre Dame W. A. Zuniga-Galindo,BarryUniversity,Department (969-20-45) of Mathematics and Computer Science (969-11-46) 11:00AM Is there a shortage of primes for cryptography?

Special Session on Algebraic Cycles, Algebraic I (209) Preliminary report. Geometry, IV Samuel S Wagstaff, Purdue University (969-11-73) 11:30AM Discussion 9:00 AM – 11:45 AM UH 0151, UniversityHall (UH) Special Session on L2 Methods in Algebraic and Organizer: RoyJoshua , Ohio State University Geometric Topology, IV 9:00AM Relative Chow-Kunneth¨ projectors for modular (197) varieties. Preliminary report. 9:00 AM – 11:45 AM BE 0184, Baker Systems B. Brent Gordon*, University of Oklahoma, Masaki Engineering (BE) Hanamura, Kyushu University, and Jacob P Murre, Leiden University (969-14-119) Organizers: Dan Burghelea, Ohio State University 10:00AM Kato-Somekawa K-groups and higher Chow groups Michael Davis, Ohio State University (198) of zero-cycles. 9:00AM L2-cohomology of buildings. Reza Akhtar, Miami University (969-14-196) (210) Jan Dymara*, The Ohio State University and 11:00AM Goncharov relations in Bloch’s higher Chow group Wroclaw University, and Tadeusz Januszkiewicz, (199) CH3(F,5). Wroclaw University (969-20-112) Jianqiang Zhao, University of Pennsylvania 10:00AM L2-homology of right-angled Coxeter groups. (969-14-102) (211) Preliminary report. Michael W Davis, The Ohio State University, and Okun L Boris*, University of Wisconsin, Milwaukee Special Session on Commutative Algebra, IV (969-57-207) 11:00AM L2-torsion (a survey). 9:00 AM – 11:50 AM UH 0147, UniversityHall (UH) (212) Dan Burghelea, Ohio State University (969-57-254) Organizers: Evan Houston,UniversityofNorth Carolina, Charlotte Special Session on Multivariate Generating Functions Alan Loper, Ohio State University and Automatic Computation, III

9:00AM Determinative sets of valuations for afﬁne algebras. 9:00 AM –10:50AM BE 0136, Baker Systems (200) Preliminary report. Engineering (BE) Bruce M Olberding, The University of Louisiana at Monroe (969-13-189) Organizer: Robin Pemantle, Ohio State University

Appendix–16 NOTICES OF THE AMS VOLUME 48, NUMBER 9 Columbus, OH, Sunday, September 23 – Program of the Sessions

9:00AM Rabin’s Irreducibility Test for Polynomials over 9:30AM Uniform Injective Modules Over Valuation Rings. (213) Finite Fields. (226) Preliminary report. Daniel Panario, Carleton University, Boris Pittel, Franco Guerriero*, Ohio University-Lancaster, and Ohio State, Bruce Richmond*, University of Bruno J Mueller, McMaster University (969-16-202) Waterloo, and Alfredo Viola, Universidad de la 10:00AM Semiprime Finitely -CS Group Algebras. Repuplica (969-05-69) (227) S. K. Jain, Ohio University, Pramod Kanwar*, Ohio 9:30AM Linear recurrences with constant coefficients: the University-Zanesville, and J. B. Srivastava,Indian (214) multivariate case. Institute of Technology (969-16-219) Mireille Bousquet-Melou,LaBRI,Universite 10:30AM Modules with annihilator conditions. Bordeaux 1 (969-39-62) (228) Nanqing Ding*, Nanjing University, Nanjing, China, 10:30AM Parameter varying Fourier-Laplace integrals: some Mohamed F. Yousif,TheOhioStateUniversityat (215) “2 to 3 degenerate case” applications. Lima, and Yiqiang Zhou, Memorial University of Manuel E Lladser, Columbus, Ohio (969-05-86) Newfoundland (969-16-240) 11:00AM Graded almost noetherian algebras. Application to Special Session on Proof Theory and the Foundations (229) coalgebras. of Mathematics, IV Constantin Nastasescu, University of Bucharest (969-16-251) 9:00 AM – 12:20 PM BE 0291, Baker Systems 11:30AM On rings with ascending chain condition on right Engineering (BE) (230) annihilators. Yasuyuki Hirano, Okayama University (969-16-206) Organizer: TimothyCarlson , Ohio State University NOON Operators on the big lattice of preradicals. 9:00AM Higher recursion in proof theory. (231) Francisco F Raggi, Universidad Nacional Autonoma (216) Michael Mollerfeld¨ , Institute for Mathematical de México (969-16-252) Logic, WWU Munster¨ (969-03-156) 12:30PM On The Structure of Transitive Witt Rootsystems Π0 ω 10:00AM Muchnik Degrees of 1 Subsets of 2 . (232) (Preliminary Report). Preliminary report. (217) Stephen G. Simpson, Penn State University Mohammad Q. Hailat, Jordan University of Science (969-03-183) and Technology (JUST) (969-17-98) 11:00AM Propositions as [bracket] types. Preliminary report. (218) Steve Awodey, Carnegie Mellon University (969-03-105) Special Session on Differential Geometry and NOON Proofs in Infinitesimal Analysis. Applications, IV (219) Rick Sommer, Stanford University (969-03-257) 9:00 AM – 11:25 AM BE 0188, Baker Systems Special Session on Quantum Topology Engineering (BE)

9:00 AM – 11:50 AM BE 0285, Baker Systems Organizers: Andrzej Derdzinski, Ohio State Engineering (BE) University Fangyang Zheng, Ohio State University Organizer: Thomas Kerler, Ohio State University 9:00AM Harmonic functions on manifolds of nonnegative 9:00AM The noncommutative A-ideal of a (2p+1,2)-torus (233) Ricci curvature.

I (220) knot determines its Jones polynomial. Preliminary Harold G Donnelly, Purdue University (969-58-23) report. 9:30AM Regularity of holomorphic and harmonic functions. Razvan Gelca*andJeremySain ,TexasTech (234) Peter Li, University of California, Irvine, and Jiaping University (969-57-71) Wang*, University of Minnesota (969-58-61) 9:30AM Links and 3-manifolds with the same quantum 10:00AM Manifolds with quadratic curvature decay. (221) invariants. (235) John W Lott, University of Michigan (969-53-21) Yongwu Rong, George Washington University (969-57-125) 10:30AM Compact Homogeneous Spaces with an Exponential (236) Growth of Geodesics Joining Two Points. 10:00AM Integrality and TQFT. Preliminary report. , Cambridge University, and (222) Patrick M Gilmer, Louisiana State University Gabriel P Paternain Leo (969-57-160) TButler*, Northwestern University (969-58-143) 11:00AM Stable ergodicity and frame ﬂows. 10:30AM Break (237) Keith Burns, Northwestern University (969-37-243) 11:00AM Twisted Quandle Homology Theory and

I (223) Construction of Cocycles. J. Scott Carter*, University of South Alabama, Mohamed Elhamdadi and Masahico Saito, Special Session on Coding Theory and Designs, IV University of South Florida (969-55-145) AM AM 11:30AM Extensions of quandles and cocycle knot invariants. 9:30 – 11:20 UH 0090, UniversityHall (UH) (224) J. Scott Carter, University of South Alabama, Organizers: Tom Dowling, Ohio State University Mohamed Elhamdadi, Marina A Nikiforou and Masahico Saito*, University of South Florida Dijen Ray-Chaudhuri (969-57-144) 9:30AM The current status of the lambda-design conjecture.

I (238) Akos´ Seress, The Ohio State University, Columbus, Special Session on Rings and Modules, IV Ohio (969-05-104) 10:00AM Designs with orthogonal resolutions. 9:00 AM – 12:50 PM UH 0051, UniversityHall (UH) (239) Esther R. Lamken, California Institute of Technology (969-05-197) Organizers: S. K. Jain, Ohio University 10:30AM Maximal arcs in projective three-spaces and Tariq Rizvi, Ohio State University (240) double-error-correcting cyclic codes. 9:00AM Modules and Equations. Preliminary report. Qing Xiang*, University of Delaware, and Henk D. (225) John Dauns, Tulane University (969-16-84) L. Hollmann, Philips Research Labs (969-05-67)

OCTOBER 2001 NOTICES OF THE AMS Appendix–17 Program of the Sessions – Columbus, OH, Sunday, September 23 (cont’d.)

11:00AM Perfect Codes and Balanced Generalized Weighing

I (241) Matrices. Vladimir D Tonchev, Michigan Technological University (969-05-10)

Special Session on Stochastic Modeling in Financial Mathematics, III

9:30 AM – 11:20 AM UH 0038, UniversityHall (UH) Organizer: Ronnie Sircar, Princeton University 9:30AM Discussion 10:00AM Option pricing with stochastic volatility. Preliminary (242) report. Knut Solna, UCI (969-60-223) 10:30AM A new algorithm for hedging large portfolios of

I (243) derivative instruments. Preliminary report. Stathis Tompaidis, McCombs School of Business, MSIS Department, University of Texas at Austin (969-90-58) 11:00AM Discussion

Susan J. Friedlander Associate Secretary Chicago, Illinois

Appendix–18 NOTICES OF THE AMS VOLUME 48, NUMBER 9