Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2024 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Contents of Volume 133, Number 9
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Hyperbolic groups have finite asymptotic dimension: John Roe; Proc. Amer. Math. Soc. 133 (2005), 2489-2490; DOI: https://doi.org/10.1090/S0002-9939-05-08138-4; Published electronically: April 8, 2005; PDF

Quasi-hyperbolic planes in hyperbolic groups: Mario Bonk and Bruce Kleiner; Proc. Amer. Math. Soc. 133 (2005), 2491-2494; DOI: https://doi.org/10.1090/S0002-9939-05-07564-7; Published electronically: April 12, 2005; PDF

The Lax conjecture is true: A. S. Lewis, P. A. Parrilo and M. V. Ramana; Proc. Amer. Math. Soc. 133 (2005), 2495-2499; DOI: https://doi.org/10.1090/S0002-9939-05-07752-X; Published electronically: March 31, 2005; PDF

A purely algebraic characterization of the hyperreal numbers: Vieri Benci and Mauro Di Nasso; Proc. Amer. Math. Soc. 133 (2005), 2501-2505; DOI: https://doi.org/10.1090/S0002-9939-05-07429-0; Published electronically: April 19, 2005; PDF

The weak dimensions of Gaussian rings: Sarah Glaz; Proc. Amer. Math. Soc. 133 (2005), 2507-2513; DOI: https://doi.org/10.1090/S0002-9939-05-08093-7; Published electronically: March 31, 2005; PDF

An estimate for a certain average of the special values of character twists of modular $L$-functions: M. Manickam and B. Ramakrishnan; Proc. Amer. Math. Soc. 133 (2005), 2515-2517; DOI: https://doi.org/10.1090/S0002-9939-05-08109-8; Published electronically: April 22, 2005; PDF

On natural homomorphisms of Witt rings: Marzena Ciemała and Kazimierz Szymiczek; Proc. Amer. Math. Soc. 133 (2005), 2519-2523; DOI: https://doi.org/10.1090/S0002-9939-05-07896-2; Published electronically: April 8, 2005; PDF

Fully commutative elements and Kazhdan-Lusztig cells in the finite and affine Coxeter groups, II: Jian-yi Shi; Proc. Amer. Math. Soc. 133 (2005), 2525-2531; DOI: https://doi.org/10.1090/S0002-9939-05-07834-2; Published electronically: March 22, 2005; PDF

Derived categories of projective bundles: L. Costa and R. M. Miró-Roig; Proc. Amer. Math. Soc. 133 (2005), 2533-2537; DOI: https://doi.org/10.1090/S0002-9939-05-07846-9; Published electronically: April 8, 2005; PDF

On the projectivity of threefolds: Zbigniew Jelonek; Proc. Amer. Math. Soc. 133 (2005), 2539-2542; DOI: https://doi.org/10.1090/S0002-9939-05-07859-7; Published electronically: March 22, 2005; PDF

On finite groups admitting a special noncoprime action: Güli̇n Ercan; Proc. Amer. Math. Soc. 133 (2005), 2543-2547; DOI: https://doi.org/10.1090/S0002-9939-05-08011-1; Published electronically: April 8, 2005; PDF

Uniqueness of positive solutions for singular problems involving the $p$-Laplacian: Arkady Poliakovsky and Itai Shafrir; Proc. Amer. Math. Soc. 133 (2005), 2549-2557; DOI: https://doi.org/10.1090/S0002-9939-05-07290-4; Published electronically: April 12, 2005; PDF

The classical monotone convergence theorem of Beppo Levi fails in noncommutative $L_2$-spaces: Barthélemy Le Gac and Ferenc Móricz; Proc. Amer. Math. Soc. 133 (2005), 2559-2567; DOI: https://doi.org/10.1090/S0002-9939-05-07976-1; Published electronically: April 8, 2005; PDF

Uniformly bounded limit of fractional homomorphisms: Pedro J. Miana; Proc. Amer. Math. Soc. 133 (2005), 2569-2575; DOI: https://doi.org/10.1090/S0002-9939-05-07978-5; Published electronically: March 31, 2005; PDF

Algebraic isomorphisms and $\mathcal {J}$-subspace lattices: Jiankui Li and Oreste Panaia; Proc. Amer. Math. Soc. 133 (2005), 2577-2587; DOI: https://doi.org/10.1090/S0002-9939-05-07581-7; Published electronically: April 15, 2005; PDF

Coarse embeddings of metric spaces into Banach spaces: Piotr W. Nowak; Proc. Amer. Math. Soc. 133 (2005), 2589-2596; DOI: https://doi.org/10.1090/S0002-9939-05-08150-5; Published electronically: April 19, 2005; PDF

Asymptotic expansion of solutions to nonlinear elliptic eigenvalue problems: Tetsutaro Shibata; Proc. Amer. Math. Soc. 133 (2005), 2597-2604; DOI: https://doi.org/10.1090/S0002-9939-05-08114-1; Published electronically: April 19, 2005; PDF

A note on de Branges’ weights: Arcadii Z. Grinshpan and Anatolii Grinshpan; Proc. Amer. Math. Soc. 133 (2005), 2605-2608; DOI: https://doi.org/10.1090/S0002-9939-05-07934-7; Published electronically: March 31, 2005; PDF

Strong converse inequality for Poisson sums: F. Dai and Z. Ditzian; Proc. Amer. Math. Soc. 133 (2005), 2609-2611; DOI: https://doi.org/10.1090/S0002-9939-05-08089-5; Published electronically: April 25, 2005; PDF

Decay and growth for a nonlinear parabolic difference equation: Sergiu Hart and Benjamin Weiss; Proc. Amer. Math. Soc. 133 (2005), 2613-2620; DOI: https://doi.org/10.1090/S0002-9939-05-08052-4; Published electronically: April 19, 2005; PDF

Complemented spaces of operators: Ioana Ghenciu; Proc. Amer. Math. Soc. 133 (2005), 2621-2623; DOI: https://doi.org/10.1090/S0002-9939-05-07932-3; Published electronically: April 19, 2005; PDF

Dirichlet boundary conditions for elliptic operators with unbounded drift: A. Lunardi, G. Metafune and D. Pallara; Proc. Amer. Math. Soc. 133 (2005), 2625-2635; DOI: https://doi.org/10.1090/S0002-9939-05-08068-8; Published electronically: April 19, 2005; PDF

Fragmentability of sequences of set-valued mappings with applications to variational principles: Marc Lassonde and Julian P. Revalski; Proc. Amer. Math. Soc. 133 (2005), 2637-2646; DOI: https://doi.org/10.1090/S0002-9939-05-07865-2; Published electronically: March 15, 2005; PDF

A Cauchy-Schwarz type inequality for bilinear integrals on positive measures: Nils Ackermann; Proc. Amer. Math. Soc. 133 (2005), 2647-2656; DOI: https://doi.org/10.1090/S0002-9939-05-08082-2; Published electronically: April 15, 2005; PDF

Fenchel duality, Fitzpatrick functions and the Kirszbraun–Valentine extension theorem: Simeon Reich and Stephen Simons; Proc. Amer. Math. Soc. 133 (2005), 2657-2660; DOI: https://doi.org/10.1090/S0002-9939-05-07983-9; Published electronically: March 22, 2005; PDF

On extending existence theory from scalar ordinary differential equations to infinite quasimonotone systems of functional equations: J. Ángel Cid; Proc. Amer. Math. Soc. 133 (2005), 2661-2670; DOI: https://doi.org/10.1090/S0002-9939-05-07785-3; Published electronically: March 21, 2005; PDF

Calderón-Zygmund operators on Hardy spaces without the doubling condition: Wengu Chen, Yan Meng and Dachun Yang; Proc. Amer. Math. Soc. 133 (2005), 2671-2680; DOI: https://doi.org/10.1090/S0002-9939-05-07781-6; Published electronically: March 17, 2005; PDF

Ergodic isospectral theory of the Lax pairs of Euler equations with harmonic analysis flavor: Y. Charles Li; Proc. Amer. Math. Soc. 133 (2005), 2681-2687; DOI: https://doi.org/10.1090/S0002-9939-05-07828-7; Published electronically: March 22, 2005; PDF

Brangesian spaces in $H^p(\mathbf {T}^2)$: D. A. Redett; Proc. Amer. Math. Soc. 133 (2005), 2689-2695; DOI: https://doi.org/10.1090/S0002-9939-05-07833-0; Published electronically: March 22, 2005; PDF

On the proximinality of the unit ball of proximinal subspaces in Banach spaces: A counterexample: Fathi B. Saidi; Proc. Amer. Math. Soc. 133 (2005), 2697-2703; DOI: https://doi.org/10.1090/S0002-9939-05-08152-9; Published electronically: April 25, 2005; PDF

Ellipses, near ellipses, and harmonic Möbius transformations: Martin Chuaqui, Peter Duren and Brad Osgood; Proc. Amer. Math. Soc. 133 (2005), 2705-2710; DOI: https://doi.org/10.1090/S0002-9939-05-07817-2; Published electronically: March 22, 2005; PDF

Weierstrass functions in Zygmund’s class: Yanick Heurteaux; Proc. Amer. Math. Soc. 133 (2005), 2711-2720; DOI: https://doi.org/10.1090/S0002-9939-05-07857-3; Published electronically: March 22, 2005; PDF

Low regularity solutions for a class of nonlinear wave equations: Nikolaos Bournaveas; Proc. Amer. Math. Soc. 133 (2005), 2721-2727; DOI: https://doi.org/10.1090/S0002-9939-05-07813-5; Published electronically: March 22, 2005; PDF

Local isometries of $\mathcal {L}(X,C(K))$: T. S. S. R. K. Rao; Proc. Amer. Math. Soc. 133 (2005), 2729-2732; DOI: https://doi.org/10.1090/S0002-9939-05-07832-9; Published electronically: March 22, 2005; PDF

A round ball uniquely minimizes gravitational potential energy: Frank Morgan; Proc. Amer. Math. Soc. 133 (2005), 2733-2735; DOI: https://doi.org/10.1090/S0002-9939-05-08070-6; Published electronically: April 12, 2005; PDF

Almost-disjoint coding and strongly saturated ideals: Paul B. Larson; Proc. Amer. Math. Soc. 133 (2005), 2737-2739; DOI: https://doi.org/10.1090/S0002-9939-05-07824-X; Published electronically: March 22, 2005; PDF

Cardinal restrictions on some homogeneous compacta: István Juhász, Peter Nyikos and Zoltán Szentmiklóssy; Proc. Amer. Math. Soc. 133 (2005), 2741-2750; DOI: https://doi.org/10.1090/S0002-9939-05-07861-5; Published electronically: March 29, 2005; PDF

Planar algebras and the Ocneanu-Szymanski theorem: Paramita Das and Vijay Kodiyalam; Proc. Amer. Math. Soc. 133 (2005), 2751-2759; DOI: https://doi.org/10.1090/S0002-9939-05-07789-0; Published electronically: April 19, 2005; PDF

Tychonoff’s theorem for locally compact spaces and an elementary approach to the topology of path spaces: Alan L. T. Paterson and Amy E. Welch; Proc. Amer. Math. Soc. 133 (2005), 2761-2770; DOI: https://doi.org/10.1090/S0002-9939-05-08030-5; Published electronically: April 20, 2005; PDF

On finite-sheeted covering mappings onto solenoids: R. N. Gumerov; Proc. Amer. Math. Soc. 133 (2005), 2771-2778; DOI: https://doi.org/10.1090/S0002-9939-05-07792-0; Published electronically: February 25, 2005; PDF

Wecken property for roots: Daciberg Gonçalves and Peter Wong; Proc. Amer. Math. Soc. 133 (2005), 2779-2782; DOI: https://doi.org/10.1090/S0002-9939-05-07820-2; Published electronically: March 22, 2005; PDF

On embeddings in the sphere: John R. Klein; Proc. Amer. Math. Soc. 133 (2005), 2783-2793; DOI: https://doi.org/10.1090/S0002-9939-05-07823-8; Published electronically: April 19, 2005; PDF

Seiberg-Witten invariants and branched covers along tori: B. Doug Park; Proc. Amer. Math. Soc. 133 (2005), 2795-2803; DOI: https://doi.org/10.1090/S0002-9939-05-07831-7; Published electronically: March 22, 2005; PDF

An approach to the regularity for stable-stationary harmonic maps: Hsu Deliang; Proc. Amer. Math. Soc. 133 (2005), 2805-2812; DOI: https://doi.org/10.1090/S0002-9939-05-07818-4; Published electronically: March 22, 2005; PDF

Every nontrivial knot in $S^3$ has nontrivial A-polynomial: Steven Boyer and Xingru Zhang; Proc. Amer. Math. Soc. 133 (2005), 2813-2815; DOI: https://doi.org/10.1090/S0002-9939-05-07814-7; Published electronically: March 22, 2005; PDF