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Mathematical Association of America Ohio Section
Program of Activities For the 90 th Annual Meeting of the Mathematical Association of America Ohio Section Spring 2006 The University of Akron Akron, Ohio March 31-April 1, 2006 MAA Ohio Section Program Friday, March 31, 2006 8:00—Noon NExT Workshop College of Arts and Sciences Building (CAS) Room 134 Noon—4:30 Registration Student Union, Second Floor, Theatre Area Book exhibits Student Union, Second Floor, Atrium Noon—1:20 Student problem-solving team competition CAS 107 12:15—1:15 Committee Meetings CONCUR Student Union, 308 CONSACT Student Union, 310 CONSTUM Student Union, 312 CONTEAL Student Union, 314 Program Committee Student Union, 316 1:30—1:45 Welcome and Announcements Student Union Theatre 1:45—2:45 Invited address: Student Union Theatre “Going Up and Down” Georgia Benkart, University of Wisconsin – Madison 2:45—3:10 Break & refreshments Lobby Area, Student Union 3:10—4:05 Retiring President’s address: Student Union Theatre “Some Thoughts on Rings and Things” Dwight Olson, John Carroll University 4:20—6:15 Contributed p aper sessions College of Arts and Sciences Bldg (CAS) 4:20—6:15 Special session on Applied Mathematics CAS 4:20—6:15 Executive Committee Meeting CAS 124 Conference Room 6:15—6:45 Social Time Martin University Center (Fir Street) 6:45—8:00 Banquet Martin University Center (Fir Street) 6:15—8:00 Student Pizza Party CAS Atrium and nearby rooms 8:00—8:45 After-dinner talk: Martin University Center (Fir Street) “Developing an undergraduate research program” Tom Price, The University of Akron 8:45 Business meeting -
Global Theory: Chiral Homology
CHAPTER 4 Global Theory: Chiral Homology Qinovnik umiraet, i ordena ego ostats na lice zemli. Koz~ma Prutkov, “Mysli i Aforizmy”, 1860 † 4.1. The cookware This section collects some utensils and implements needed for the construction of chiral homology. A sensible reader should skip it, returning to the material when necessary. Here is the inventory together with a brief comment on the employment mode. (i) In 4.1.1–4.1.2 we consider homotopy direct limits of complexes and discuss their multiplicative properties. The material will be used in 4.2 where the de Rham complex of a D-module on Ran’s space R(X) is defined as the homotopy direct limit of de Rham complexes of the corresponding D-modules on all the Xn’s with respect to the family of all diagonal embeddings. See [BK], [Se]. (ii) In 4.1.3 and 4.1.4 we discuss the notion of the Dolbeault algebra which is an algebraic version of the ∂¯-resolution. Dolbeault resolutions are functorial and have nice multiplicative properties, so they are very convenient for computing the global de Rham cohomology of D-modules on R(X), in particular, the chiral homology of chiral algebras. An important example of Dolbeault algebras comes from the Thom-Sullivan construction; see [HS] §4. (iii) In 4.1.5 we recall the definitions of semi-free DG modules, semi-free com- mutative DG algebras, and the cotangent complex following [H] (see also [Dr1] and [KrM]). The original construction of the cotangent complex, due to Grothendieck [Gr1], [Il], was performed in the setting of simplicial algebras. -
A Model Structure for the Goldman-Millson Theorem
A MODEL STRUCTURE FOR THE GOLDMAN–MILLSON THEOREM DANIEL ROBERT-NICOUD ABSTRACT. By a result of Vallette [Val14], we put a sensible model structure on the category of conilpotent Lie coalgebras. This gives us a powerful tool to study the subcategory of Lie algebras obtained by linear dualization, also known as the category of pronilpotent Lie algebras. This way, we recover weaker versions of the celebrated Goldman–Millson theorem and Dolgushev–Rogers theorem by purely homotopical methods. We explore the relations of this procedure with the existent literature, namely the works of Lazarev–Markl and Buijs–F´elix–Murillo–Tanr´e. CONTENTS 1. Introduction 1 2. Some notions of category theory 2 3. The Goldman–Millson theorem and the Dolgushev–Rogers theorem 7 4. The Vallette model structure on conilpotent coalgebras over a cooperad 9 5. A model structure for the Goldman–Millson theorem 13 6. Framings and the Dolgushev–Rogers theorem 17 References 20 1. INTRODUCTION The celebrated Goldman–Millson theorem [GM88] in one of its more recent versions states that every filtered quasi-isomorphism of differential graded Lie algebras — i.e. quasi-isomorphisms that are com- patible with certain filtrations of the algebras — induces an isomorphism between the moduli spaces of Maurer–Cartan elements of the algebras. Recently, this theorem was extended by V. A. Dolgushev and C. L. Rogers [DR15], who proved that such a morphism induces a weak equivalence of simplicial sets between the whole deformation ∞-groupoids of the algebras, of which the moduli space of Maurer– Cartan elements is the zeroth homotopy group. These theorems have a distinct homotopical flavor — after all, they say that the class of filtered quasi-isomorphisms is sent into the classe of weak equiva- lences of simplicial sets under a certain functor. -
Mite Beometrles Ana Corn Binatorial Designs
AMERICAN MATHEMATICAL SOCIETY mite beometrles ana Corn binatorial Designs Proceedings of the AMS Special Session in Finite Geometries and Combinatorial Designs held October 29-November 1, 1987 http://dx.doi.org/10.1090/conm/111 Titles in This Series Volume 1 Markov random fields and their 19 Proceedings of the Northwestern applications, Ross Kindermann and homotopy theory conference, Haynes J. Laurie Snell R. Miller and Stewart B. Priddy, Editors 2 Proceedings of the conference on 20 Low dimensional topology, Samuel J. integration, topology, and geometry in Lomonaco, Jr., Editor linear spaces, William H. Graves, Editor 21 Topological methods in nonlinear 3 The closed graph and P-closed functional analysis, S. P. Singh, graph properties in general topology, S. Thomaier, and B. Watson, Editors T. R. Hamlett and L. L. Herrington 22 Factorizations of b" ± 1, b = 2, 4 Problems of elastic stability and 3, 5, 6, 7, 10, 11, 12 up to high vibrations, Vadim Komkov, Editor powers, John Brillhart, D. H. Lehmer, 5 Rational constructions of modules J. L. Selfridge, Bryant Tuckerman, and for simple Lie algebras, George B. S. S. Wagstaff, Jr. Seligman 23 Chapter 9 of Ramanujan's second 6 Umbral calculus and Hopf algebras, notebook-Infinite series identities, Robert Morris, Editor transformations, and evaluations, Bruce C. Berndt and Padmini T. Joshi 7 Complex contour integral representation of cardinal spline 24 Central extensions, Galois groups, and functions, Walter Schempp ideal class groups of number fields, A. Frohlich 8 Ordered fields and real algebraic geometry, D. W. Dubois and T. Recio, 25 Value distribution theory and its Editors applications, Chung-Chun Yang, Editor 9 Papers in algebra, analysis and 26 Conference in modern analysis statistics, R. -
Program of the Sessions San Diego, California, January 9–12, 2013
Program of the Sessions San Diego, California, January 9–12, 2013 AMS Short Course on Random Matrices, Part Monday, January 7 I MAA Short Course on Conceptual Climate Models, Part I 9:00 AM –3:45PM Room 4, Upper Level, San Diego Convention Center 8:30 AM –5:30PM Room 5B, Upper Level, San Diego Convention Center Organizer: Van Vu,YaleUniversity Organizers: Esther Widiasih,University of Arizona 8:00AM Registration outside Room 5A, SDCC Mary Lou Zeeman,Bowdoin upper level. College 9:00AM Random Matrices: The Universality James Walsh, Oberlin (5) phenomenon for Wigner ensemble. College Preliminary report. 7:30AM Registration outside Room 5A, SDCC Terence Tao, University of California Los upper level. Angles 8:30AM Zero-dimensional energy balance models. 10:45AM Universality of random matrices and (1) Hans Kaper, Georgetown University (6) Dyson Brownian Motion. Preliminary 10:30AM Hands-on Session: Dynamics of energy report. (2) balance models, I. Laszlo Erdos, LMU, Munich Anna Barry*, Institute for Math and Its Applications, and Samantha 2:30PM Free probability and Random matrices. Oestreicher*, University of Minnesota (7) Preliminary report. Alice Guionnet, Massachusetts Institute 2:00PM One-dimensional energy balance models. of Technology (3) Hans Kaper, Georgetown University 4:00PM Hands-on Session: Dynamics of energy NSF-EHR Grant Proposal Writing Workshop (4) balance models, II. Anna Barry*, Institute for Math and Its Applications, and Samantha 3:00 PM –6:00PM Marina Ballroom Oestreicher*, University of Minnesota F, 3rd Floor, Marriott The time limit for each AMS contributed paper in the sessions meeting will be found in Volume 34, Issue 1 of Abstracts is ten minutes. -
Scientific Report for the Year 2000
The Erwin Schr¨odinger International Boltzmanngasse 9 ESI Institute for Mathematical Physics A-1090 Wien, Austria Scientific Report for the Year 2000 Vienna, ESI-Report 2000 March 1, 2001 Supported by Federal Ministry of Education, Science, and Culture, Austria ESI–Report 2000 ERWIN SCHRODINGER¨ INTERNATIONAL INSTITUTE OF MATHEMATICAL PHYSICS, SCIENTIFIC REPORT FOR THE YEAR 2000 ESI, Boltzmanngasse 9, A-1090 Wien, Austria March 1, 2001 Honorary President: Walter Thirring, Tel. +43-1-4277-51516. President: Jakob Yngvason: +43-1-4277-51506. [email protected] Director: Peter W. Michor: +43-1-3172047-16. [email protected] Director: Klaus Schmidt: +43-1-3172047-14. [email protected] Administration: Ulrike Fischer, Eva Kissler, Ursula Sagmeister: +43-1-3172047-12, [email protected] Computer group: Andreas Cap, Gerald Teschl, Hermann Schichl. International Scientific Advisory board: Jean-Pierre Bourguignon (IHES), Giovanni Gallavotti (Roma), Krzysztof Gawedzki (IHES), Vaughan F.R. Jones (Berkeley), Viktor Kac (MIT), Elliott Lieb (Princeton), Harald Grosse (Vienna), Harald Niederreiter (Vienna), ESI preprints are available via ‘anonymous ftp’ or ‘gopher’: FTP.ESI.AC.AT and via the URL: http://www.esi.ac.at. Table of contents General remarks . 2 Winter School in Geometry and Physics . 2 Wolfgang Pauli und die Physik des 20. Jahrhunderts . 3 Summer Session Seminar Sophus Lie . 3 PROGRAMS IN 2000 . 4 Duality, String Theory, and M-theory . 4 Confinement . 5 Representation theory . 7 Algebraic Groups, Invariant Theory, and Applications . 7 Quantum Measurement and Information . 9 CONTINUATION OF PROGRAMS FROM 1999 and earlier . 10 List of Preprints in 2000 . 13 List of seminars and colloquia outside of conferences . -
James H. Olsen
James H. Olsen Contact Department of Mathematics Information North Dakota State University Voice: (614) 292-2572 205 Dreese Labs Fax: (614) 292-7596 2015 Neil Avenue E-mail: [email protected] Columbus, OH 43210 USA WWW: math.ndsu.nodak.edu/faculty/olsen/ Research Ergodic theory Interests Education The University of Minnesota, Minneapolis, Minnesota USA Ph.D., Mathematics, 1968 • Dissertation Title: Dominated Estimates of Lp Contractions, 1 < p < ∞. • Advisor: Professor Rafael V. Chacon • Area of Study: Ergodic Theory M.S., Mathematics, 1967 • Advisor: Professor Rafael V. Chacon • Area of Study: Ergodic Theory N.C. State College, Raleigh, North Carolina USA B.S., Electrical Engineering, 1963 Awards and Eta Kappa Nu Honors • Member Scabbard and Blade National Honor Society • First Sergeant Academic and North Dakota State University, Fargo, ND USA Professional Experience Professor of Mathematics 1984 to present Associate Professor of Mathematics 1974 to 1984 Assistant Professor of Mathematics 1970 to 1974 Mathematical Research Division, National Security Agency, Fort George G. Meade, Maryland, USA Research Mathematician 1969 to 1970 • Active duty with the U.S. Army. • Achieved the rank of captain. The University of Minnesota, Minneapolis, Minnesota USA Instructor, School of Mathematics Fall 1968 Nuclear Effects Lab, White Sands Missle Range, New Mexico USA Electronics Engineer Summer 1964 1 of 5 Publications Dominated estimates of positive contractions, (with R.V. Chacon), Proceedings of the American Mathematical Society, 20, 226-271 (1969). Dominated estimates of convex combinations of commuting isometries, Israel Journal of Mathematics, 11, 1-13 (1972). Estimates of convex combinations of commuting isometries, Z. Wahrscheinlicheits- theorie verw. Geb. 26, 317-324 (1973). -
Kac-Moody Algebras and Applications
Kac-Moody Algebras and Applications Owen Barrett December 24, 2014 Abstract This article is an introduction to the theory of Kac-Moody algebras: their genesis, their con- struction, basic theorems concerning them, and some of their applications. We first record some of the classical theory, since the Kac-Moody construction generalizes the theory of simple finite-dimensional Lie algebras in a closely analogous way. We then introduce the construction and properties of Kac-Moody algebras with an eye to drawing natural connec- tions to the classical theory. Last, we discuss some physical applications of Kac-Moody alge- bras,includingtheSugawaraandVirosorocosetconstructions,whicharebasictoconformal field theory. Contents 1 Introduction2 2 Finite-dimensional Lie algebras3 2.1 Nilpotency.....................................3 2.2 Solvability.....................................4 2.3 Semisimplicity...................................4 2.4 Root systems....................................5 2.4.1 Symmetries................................5 2.4.2 The Weyl group..............................6 2.4.3 Bases...................................6 2.4.4 The Cartan matrix.............................7 2.4.5 Irreducibility...............................7 2.4.6 Complex root systems...........................7 2.5 The structure of semisimple Lie algebras.....................7 2.5.1 Cartan subalgebras............................8 2.5.2 Decomposition of g ............................8 2.5.3 Existence and uniqueness.........................8 2.6 Linear representations of complex semisimple Lie algebras...........9 2.6.1 Weights and primitive elements.....................9 2.7 Irreducible modules with a highest weight....................9 2.8 Finite-dimensional modules............................ 10 3 Kac-Moody algebras 10 3.1 Basic definitions.................................. 10 3.1.1 Construction of the auxiliary Lie algebra................. 11 3.1.2 Construction of the Kac-Moody algebra................. 12 3.1.3 Root space of the Kac-Moody algebra g(A) .............. -
Contemporary Mathematics 442
CONTEMPORARY MATHEMATICS 442 Lie Algebras, Vertex Operator Algebras and Their Applications International Conference in Honor of James Lepowsky and Robert Wilson on Their Sixtieth Birthdays May 17-21, 2005 North Carolina State University Raleigh, North Carolina Yi-Zhi Huang Kailash C. Misra Editors http://dx.doi.org/10.1090/conm/442 Lie Algebras, Vertex Operator Algebras and Their Applications In honor of James Lepowsky and Robert Wilson on their sixtieth birthdays CoNTEMPORARY MATHEMATICS 442 Lie Algebras, Vertex Operator Algebras and Their Applications International Conference in Honor of James Lepowsky and Robert Wilson on Their Sixtieth Birthdays May 17-21, 2005 North Carolina State University Raleigh, North Carolina Yi-Zhi Huang Kailash C. Misra Editors American Mathematical Society Providence, Rhode Island Editorial Board Dennis DeTurck, managing editor George Andrews Andreas Blass Abel Klein 2000 Mathematics Subject Classification. Primary 17810, 17837, 17850, 17865, 17867, 17868, 17869, 81T40, 82823. Photograph of James Lepowsky and Robert Wilson is courtesy of Yi-Zhi Huang. Library of Congress Cataloging-in-Publication Data Lie algebras, vertex operator algebras and their applications : an international conference in honor of James Lepowsky and Robert L. Wilson on their sixtieth birthdays, May 17-21, 2005, North Carolina State University, Raleigh, North Carolina / Yi-Zhi Huang, Kailash Misra, editors. p. em. ~(Contemporary mathematics, ISSN 0271-4132: v. 442) Includes bibliographical references. ISBN-13: 978-0-8218-3986-7 (alk. paper) ISBN-10: 0-8218-3986-1 (alk. paper) 1. Lie algebras~Congresses. 2. Vertex operator algebras. 3. Representations of algebras~ Congresses. I. Leposwky, J. (James). II. Wilson, Robert L., 1946- III. Huang, Yi-Zhi, 1959- IV. -
AMS Council Minutes
American Mathematical Society Council Minutes Chicago, Illinois 24 April 2010 at noon Prepared 13 May 2010 Abstract The Council of the Society met at noon on Saturday, 24 April 2010, in the Chicago Room of the Chicago O’Hare Hilton Hotel, O’Hare International Airport, Chicago, IL, 60666.These are the minutes of that meeting. Although some items were treated in Executive Session, all actions taken are reported in these minutes. Council Minutes 24 April 2010 Page 5 I. MINUTES 1. Call to Order 1.1. Opening of the Meeting and Introductions AMS President George Andrews called the meeting to order promptly at noon, CDT, and presided throughout. He asked those present to introduce themselves. Other Council members present were: Alejandro Adem, Georgia Benkart, Sylvain E. Cappell, Ralph L. Cohen, Robert J. Daverman, John M. Franks, Eric M. Friedlander, Robert Guralnick, Richard Hain, Bryna Kra, William A. Massey, Frank Morgan, Jennifer Schultens, Chi-Wang Shu, Joseph H. Silverman, Ronald M. Solomon, Panagiotis E. Souganidis, Janet Talvacchia, Christophe Thiele, Michelle L. Wachs, Steven H. Weintraub, Sarah J. Witherspoon, and David Wright. Other interested parties and guests were: Sandy Golden (Administrative Assistant, AMS Secretary), Sheldon H. Katz (Chair, AMS Nominating Committee), Ellen Maycock (AMS Associate Executive Director), Donald McClure (AMS Executive Director), and Ronald J. Stern (AMS Board of Trustees). Steven Weintraub was the voting Associate Secretary. 1.2. 2009 Elections and More Newly elected or appointed members of the Council took office on 01 February 2010, and they are: President Elect Eric Friedlander Vice President: Sylvain Cappell Members at Large Alejandro Adem Richard Hain Jennifer Schultens Janet Talvacchia Christophe Thiele Math Reviews Editorial Committee Chair Ronald M. -
Grothendieck Rings of Basic Classical Lie Superalgebras
Annals of Mathematics 173 (2011), 663{703 doi: 10.4007/annals.2011.173.2.2 Grothendieck rings of basic classical Lie superalgebras By Alexander N. Sergeev and Alexander P. Veselov Abstract The Grothendieck rings of finite dimensional representations of the basic classical Lie superalgebras are explicitly described in terms of the corre- sponding generalized root systems. We show that they can be interpreted as the subrings in the weight group rings invariant under the action of certain groupoids called super Weyl groupoids. Contents 1. Introduction 663 2. Grothendieck rings of Lie superalgebras 665 3. Basic classical Lie superalgebras and generalized root systems 667 4. Ring J(g) and supercharacters of g 668 5. Geometry of the highest weight set 670 6. Proof of the main theorem 677 7. Explicit description of the rings J(g) 681 8. Special case A(1; 1) 695 9. Super Weyl groupoid 698 10. Concluding remarks 700 References 701 1. Introduction The classification of finite-dimensional representations of the semisimple complex Lie algebras and related Lie groups is one of the most beautiful pieces of mathematics. In his essay [1] Michael Atiyah mentioned representation the- ory of Lie groups as an example of a theory, which \can be admired because of its importance, the breadth of its applications, as well as its rational coher- ence and naturality." This classical theory goes back to fundamental work by Elie` Cartan and Hermann Weyl and is very well presented in various books, of 663 664 ALEXANDER N. SERGEEV and ALEXANDER P. VESELOV which we would like to mention the famous Serre's lectures [27] and a nicely written Fulton-Harris course [9]. -
President's Report
Volume 38, Number 4 NEWSLETTER July–August 2008 President’s Report Dear Colleagues: I am delighted to announce that our new executive director is Maeve Lewis McCarthy. I am very excited about what AWM will be able to accomplish now that she is in place. (For more about Maeve, see the press release on page 7.) Welcome, Maeve! Thanks are due to the search committee for its thought and energy. These were definitely required because we had some fabulous candidates. Thanks also to Murray State University, Professor McCarthy’s home institution, for its coopera- tion as we worked out the details of her employment with AWM. The AWM Executive Committee has voted to give honorary lifetime mem- IN THIS ISSUE berships to our founding presidents, Mary Gray and Alice T. Schafer. In my role as president, I am continually discovering just how extraordinary AWM is 7 McCarthy Named as an organization. Looking back at its early history, I find it hard to imagine AWM Executive Director how AWM could have come into existence without the vision, work, and persist- ence of these two women. 10 AWM Essay Contest Among newly elected members of the National Academy of Sciences in the physical and mathematical sciences are: 12 AWM Teacher Partnerships 16 MIT woMen In maTH Emily Ann Carter Department of Mechanical and Aerospace Engineering and the Program in 19 Girls’ Angle Applied and Computational Mathematics, Princeton University Lisa Randal Professor of theoretical physics, Department of Physics, Harvard University Elizabeth Thompson Department of Statistics, University of Washington, Seattle A W M The American Academy of Arts and Sciences has also announced its new members.