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View Front and Back Matter from the Print Issue VOLUME 121 NUMBER 4 AUGUST 1994 )LE NUMBER 422 PROCEEDINGS -A. OFTHE MATHEMATIC OCIE EDITED BY William Adams Linda Keen Dale Alspach Irwin Kra, Managing Editor J. Marshall Ash Peter Li Albert Baernstein II Wei Y. Loh Eric Bedford Joseph S. B. Mitchell Andreas R. Blass M. Susan Montgomery Christopher Croke Jeffrey B. Rauch Richard T. Durrett Mary Rees Clifford J. Earle Jr. David Sharp Eric Friedlander Lance W. Small Theodore W. Gamelin Hal L. Smith James Glimm Christopher D. Sogge Ken Goodearl Ronald M. Solomon Roe Goodman Ronald Stern Thomas Goodwillie Franklin D. Tall Dennis A. Hejhal John Trangenstein Palle E. T. Jorgensen Wolmer V. Vasconcelos Jeffry N. Kahn James West PROVIDENCE, RHODE ISLAND USA ISSN 0002-9939 Proceedings of the American Mathematical Society This journal is devoted entirely to research in pure and applied mathematics. Subscription information. Proceedings of the American Mathematical Society is pub- lished monthly. Subscription prices for Volumes 120-122 (1994) are $579 list; $463 institutional member; $347 individual member. A late charge of 10% of the subscrip- tion price will be imposed upon orders received from nonmembers after January 1 of the subscription year. Subscribers outside the United States and India must pay a postage surcharge of $25; subscribers in India must pay a postage surcharge of $38. Expedited delivery to destinations in North America—$38; elsewhere—$90. Back number information. For back issues see the AM S Catalog of Publications. Subscriptions and orders should be addressed to the American Mathematical Society, P. O. Box 5904, Boston, MA 02206-5904. All orders must be accompanied by payment. Other correspondence should be addressed to P. O. Box 6248, Providence, RI 02940- 6248. Copying and reprinting. 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The appearance of the code on the first page of an article in this journal indicates the copyright owner's consent for copying beyond that permitted by Sections 107 or 108 of the U.S. Copyright Law, provided that a fee of $1.00 plus $.25 per page for each copy be paid directly to the Copyright Clearance Center, Inc., 222 Rosewood Drive, Danvers, MA 01923. This consent does not extend to other kinds of copying, such as copying for general distribution, for advertising or promotion purposes, for creating new collective works, or for resale. Proceedings of the American Mathematical Society is published monthly by the Amer- ican Mathematical Society at 201 Charles Street, Providence, RI 02904-2213. Second- class postage is paid at Providence, Rhode Island. Postmaster: Send address changes to Proceedings, American Mathematical Society, P.O. Box 6248, Providence, RI 02940- 6248. © Copyright 1994 by the American Mathematical Society. All rights reserved. Printed in the United States of America. @ The paper used in this journal is acid-free and falls within the guidelines established to ensure permanence and durability. C» Printed on recycled paper. This publication was typeset using A/vfi-T\7X., the American Mathematical Society's TgX macro system. 10 9 8 7 6 5 4 3 2 1 99 98 97 96 95 94 INDEX TO VOLUME 121 •Starred items are "Shorter Notes". Adamski, Wolfgang. On extremal extensions of regular contents and measures, 1159. Aiena, Pietro and Laursen, Kjeld B. Multipliers with closed range on regular commutative Banach algebras, 1039. Allouche, M., Couture, R., et Tsai, C. T. Sur un théorème de Mitiagin, Rolewicz, et Zelazko, 795. Al-Salam, Waleed A. and Ismail, Mourad E. H. A q-beta integral on the unit circle and some biorthogonal rational functions, 553. Artal-Bartolo, Enrique. Combinatorics and topology of line arrangements in the complex projective plane, 385. Ash, J. M., Cohen, J., Freiling, G, Gluck, L., Rieders, E., and Wang, G. Characterizations and generalizations of continuity, 833. Ashbaugh, Mark S. and Benguria, Rafael D. Bounds for ratios of eigenvalues of the Dirichlet Laplacian, 145. Athavale, Ameer. On a minimal normal dilation problem, 843. Attia, H. On the dimensional properties of the Stone-Cech remainder ofPo-spaces, 1245. Azad, H. A remark on the moment map, 1295. Bae, Jong Sook. See Park, Sehie Baker, John A. A functional equation from probability theory, 767. Ball, Joseph A. and Clancey, Kevin F. Interpolation with meromorphic matrix functions, 491. Barone-Netto, Angelo and Zampieri, Gaetano. How far can one move from a potential peak with small initial speed?, 711. Basile, A., Bhaskara Rao, K. P. S., and Shorn, R. M. Bounded common extensions of charges, X37. Basile, Achille. Finitely additive correspondences, 883. Beidar, K. I., Puczylowski, E. R., and Smith, P. F. Krull dimension of modules over involution rings, 391. Benguria, Rafael D. See Ashbaugh, Mark S. Benson, D. J. and Feshbach, M. On the cohomology of split extensions, 687. Bergen, Jeffrey. A correspondence theorem for modules over Hopf algebras, 343. van den Bergh, Michel. A converse to Stanley's conjecture for SI2, 47. Berkovich, Yakov. On induced characters, 679. Bernstein, Daniel J. A non-iterative 2-adic statement of the 3N + Xconjecture, 405. Bhaskara Rao, K. P. S. See Basile, A. Bisch, Dietmar. Central sequences in subfactors II, 725. Bisgaard, T. Positive definite operator sequences, X185. Blasius, A. A linear recurrence system, 1003. Bradley, David. On a claim ofRamanujan about certain hypergeometric series, X145. Bradley, Richard C. On regularity conditions for random fields, 593. Carletti, E. and Monti Bragadin, G. On Dirichlet series associated with polynomials, 33. Carson, Andrew B. A characterization of function rings with Boolean domain, X3. Catepillán, Ximena, Ptak, Marek, and Szymañski, Waclaw. Multiple canonical decompositions of families of operators and a model of quasinormal families, X165. Chang, Shiow-Yu. Borsuk's antipodal and fixed-point theorems for set-valued maps, 937. Chatters, A. W. and Hajarnavis, C. R. Quotient rings of Noetherian module finite rings, 335. Chen, Hanfeng. Comparisons of lognormal population means, 915. Chen, Sheng. On the size of finite Sidon sequences, 353. Cheng Lixin. See Wu Congxin Cheung, Leung-Fu. The nonexistence of some noncompact constant mean curvature surfaces, 1207. Chigogidze, A. Finding a boundary for a Menger manifold, 631. Choi, K. P. On the medians of Gamma distributions and an equation of Ramanujan, 245. Choudary, A. D. R. and Dimca, A. Koszul complexes and hypersurface singularities, 1009. Chow, Yunshyong, Gatteschi, L., and Wong, R. A Bernstein-type inequality for the Jacobi polyno- mial, 703. Chua, Seng-Kee. On weighted Sobolev interpolation inequalities, 441. INDEX TO VOLUME 121 Chui, Charles K. and Li, Xin. Generalized wavelet decompositions of bivariate functions, 125. Chui, Charles K. and Shi, Xianliang. nxoversampling preserves any tight affine frame for odd n, 511. Clancey, Kevin F. See Ball, Joseph A. Cobos, Fernando and Fernandez-Martinez, Pedro. A duality theorem for interpolation methods associated to polygons, 1093. Cohen, J. See Ash, J. M. Contreras, Manuel D. and Paya, Rafael. On upper semicontinuity of duality mappings, 451. Cortinas, G. and Weibel, C. Homology of Azumaya algebras, 53. Costenoble, Steven R., Steiner, Michael, and Waner, Stefan. Fixed sets of unitary G-manifolds, 1275. Couture, R. See Mouche, M. Cox, Ben. Generalizations ofDeodhar's a-localization functor, 981. Csörgö, Miklós, Lin, Zheng-Yan, and Shao, Qi-Man. Path properties for l°° -valued Gaussian pro- cesses, 225. Curto, Raúl E. and Jian, Renyi. A matricial identity involving the self-commutator of a commuting n-tuple, 461. Daigle, D. Purely inseparable extensions ofk[X, Y], X. Davidson, Kenneth R. and Zarouf, Fouad. Incompatibility of compact perturbations with the Sz. Nagy-Foias functional calculus, 519. Davis, Burgess and Zhang, Biao. Moments of the lifetime of conditioned Brownian motion in cones, 925. Deliu, Anca and Wingren, Peter. 77ie Takaga operator, Bernoulli sequences, smoothness conditions, and fractal curves, 871. Destrempes, F. and Pianzola, A. On a counting formula of Djokovic for elements of finite order in compact Lie groups, 943. Dimca, A. See Choudary, A. D. R. Dinwoodie, I. H. Observing a preferred distribution, 585. Donnelly, Harold. Nodal sets for sums of eigenfunctions on Riemannian manifolds, 967. Dontchev, A. L. and Hager, W. W. An inverse mapping theorem for set-valued maps, 481. Dotzel, Ronald M. Equivariant maps for homology representations, 961. Dow, A. and van Mill, J. Dense extremally disconnected subspaces, 931. Du Hong-ke. A characterization of positive constrictive operators, 755. Du Hong-Ke and Pan Jin. Perturbation ofspectrums of 2 x 2 operator matrices, 761. Dydak, Jerzy. Union theorem for cohomological dimension: A simple counterexample, 295. Dzinotyiweyi, Heneri A. M. A characterisation of absolutely continuous measures on topological semigroups, 1103. El Kaabouchi, A. Mesures dominées par une capacité alternée d'ordre 2, 823. Essannouni, H. and Kaidi, A. Goldie's theorem for alternative rings, 39. van den Essen, Arno. Locally finite and locally nilpotent derivations with applications to polynomial flows, morphisms, and ^-actions. II, 667. Fan, Peng and Fong, Che-Kao. An intrinsic characterization for zero-diagonal operators, 803. Farmer, Jeff D. Extreme points of the unit ball of the space of Lipshitz functions, 807. Farrell, F. T. and Jones, L. E. Exotic smoothings of hyperbolic manifolds which do not support pinched negative curvature, 627. Feckan, Michal. Differential equations with nonlinear boundary conditions, 103.
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