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 132, Number 9
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Eigenvalue fields of hyperbolic orbifolds: Emily Hamilton and Alan W. Reid; Proc. Amer. Math. Soc. 132 (2004), 2497-2503; DOI: https://doi.org/10.1090/S0002-9939-04-07544-6; Published electronically: April 21, 2004; PDF

On rings with small Hilbert-Kunz multiplicity: Manuel Blickle and Florian Enescu; Proc. Amer. Math. Soc. 132 (2004), 2505-2509; DOI: https://doi.org/10.1090/S0002-9939-04-07469-6; Published electronically: April 8, 2004; PDF

Birational morphisms of the plane: Vladimir Shpilrain and Jie-Tai Yu; Proc. Amer. Math. Soc. 132 (2004), 2511-2515; DOI: https://doi.org/10.1090/S0002-9939-04-07490-8; Published electronically: April 8, 2004; PDF

A cusp singularity with no Galois cover by a complete intersection: David E. Anderson; Proc. Amer. Math. Soc. 132 (2004), 2517-2527; DOI: https://doi.org/10.1090/S0002-9939-04-07302-2; Published electronically: April 8, 2004; PDF

Essential domains and two conjectures in dimension theory: M. Fontana and S. Kabbaj; Proc. Amer. Math. Soc. 132 (2004), 2529-2535; DOI: https://doi.org/10.1090/S0002-9939-04-07502-1; Published electronically: April 21, 2004; PDF

Constants of derivations in polynomial rings over unique factorization domains: M’hammed El Kahoui; Proc. Amer. Math. Soc. 132 (2004), 2537-2541; DOI: https://doi.org/10.1090/S0002-9939-04-07313-7; Published electronically: April 8, 2004; PDF

The exchange property for purely infinite simple rings: Pere Ara; Proc. Amer. Math. Soc. 132 (2004), 2543-2547; DOI: https://doi.org/10.1090/S0002-9939-04-07369-1; Published electronically: March 25, 2004; PDF

Pure Picard-Vessiot extensions with generic properties: Lourdes Juan; Proc. Amer. Math. Soc. 132 (2004), 2549-2556; DOI: https://doi.org/10.1090/S0002-9939-04-07390-3; Published electronically: April 8, 2004; PDF

On $D_p$-extensions in characteristic $p$: Arne Ledet; Proc. Amer. Math. Soc. 132 (2004), 2557-2561; DOI: https://doi.org/10.1090/S0002-9939-04-07394-0; Published electronically: April 8, 2004; PDF

The number of Hall $\pi$-subgroups of a $\pi$-separable group: Alexandre Turull; Proc. Amer. Math. Soc. 132 (2004), 2563-2565; DOI: https://doi.org/10.1090/S0002-9939-04-07412-X; Published electronically: March 3, 2004; PDF

The s-elementary frame wavelets are path connected: X. Dai, Y. Diao, Q. Gu and D. Han; Proc. Amer. Math. Soc. 132 (2004), 2567-2575; DOI: https://doi.org/10.1090/S0002-9939-04-07271-5; Published electronically: April 8, 2004; PDF

“Lebesgue measure” on $\mathbb {R}^{\infty }$, II: Richard L. Baker; Proc. Amer. Math. Soc. 132 (2004), 2577-2591; DOI: https://doi.org/10.1090/S0002-9939-04-07372-1; Published electronically: April 21, 2004; PDF

A lower bound for the Bloch radius of $K$-quasiregular mappings: Kai Rajala; Proc. Amer. Math. Soc. 132 (2004), 2593-2601; DOI: https://doi.org/10.1090/S0002-9939-04-07405-2; Published electronically: March 25, 2004; PDF

Skew exactness perturbation: Robin Harte and David Larson; Proc. Amer. Math. Soc. 132 (2004), 2603-2611; DOI: https://doi.org/10.1090/S0002-9939-04-06914-X; Published electronically: April 21, 2004; PDF

$(n+1,m+1)$-hypergeometric functions associated to character algebras: Hiroshi Mizukawa and Hajime Tanaka; Proc. Amer. Math. Soc. 132 (2004), 2613-2618; DOI: https://doi.org/10.1090/S0002-9939-04-07399-X; Published electronically: March 25, 2004; PDF

A geometric inequality and a low $M$-estimate: Bo’az Klartag; Proc. Amer. Math. Soc. 132 (2004), 2619-2628; DOI: https://doi.org/10.1090/S0002-9939-04-07484-2; Published electronically: April 21, 2004; PDF

Spectral gap for hyperbounded operators: Feng-Yu Wang; Proc. Amer. Math. Soc. 132 (2004), 2629-2638; DOI: https://doi.org/10.1090/S0002-9939-04-07414-3; Published electronically: April 8, 2004; PDF

A joint theorem generalizing the criteria of Montel and Miranda for normal families: Bao Qin Li; Proc. Amer. Math. Soc. 132 (2004), 2639-2646; DOI: https://doi.org/10.1090/S0002-9939-04-07452-0; Published electronically: March 25, 2004; PDF

On criteria for extremality of Teichmüller mappings: Guowu Yao; Proc. Amer. Math. Soc. 132 (2004), 2647-2654; DOI: https://doi.org/10.1090/S0002-9939-04-07420-9; Published electronically: April 21, 2004; PDF

Mixed-mean inequalities for subsets: Gangsong Leng, Lin Si and Qingsan Zhu; Proc. Amer. Math. Soc. 132 (2004), 2655-2660; DOI: https://doi.org/10.1090/S0002-9939-04-07384-8; Published electronically: March 24, 2004; PDF

Infinite lifetime for the starlike dynamics in Hele-Shaw cells: Björn Gustafsson, Dmitri Prokhorov and Alexander Vasil’ev; Proc. Amer. Math. Soc. 132 (2004), 2661-2669; DOI: https://doi.org/10.1090/S0002-9939-04-07419-2; Published electronically: April 8, 2004; PDF

Asymptotically symmetric embeddings and symmetric quasicircles: Abdelkrim Brania and Shanshuang Yang; Proc. Amer. Math. Soc. 132 (2004), 2671-2678; DOI: https://doi.org/10.1090/S0002-9939-04-07375-7; Published electronically: March 25, 2004; PDF

Entire invariant solutions to Monge-Ampère equations: Roger Bielawski; Proc. Amer. Math. Soc. 132 (2004), 2679-2682; DOI: https://doi.org/10.1090/S0002-9939-04-07373-3; Published electronically: April 9, 2004; PDF

The linear heat equation with highly oscillating potential: Ismail Kombe; Proc. Amer. Math. Soc. 132 (2004), 2683-2691; DOI: https://doi.org/10.1090/S0002-9939-04-07392-7; Published electronically: April 9, 2004; PDF

Logarithmic derivatives of solutions to linear differential equations: Christopher J. Hillar; Proc. Amer. Math. Soc. 132 (2004), 2693-2701; DOI: https://doi.org/10.1090/S0002-9939-04-07444-1; Published electronically: April 21, 2004; PDF

Sub-exponential decay of operator kernels for functions of generalized Schrödinger operators: Jean-Marc Bouclet, François Germinet and Abel Klein; Proc. Amer. Math. Soc. 132 (2004), 2703-2712; DOI: https://doi.org/10.1090/S0002-9939-04-07431-3; Published electronically: April 21, 2004; PDF

Locally homogeneous affine connections on compact surfaces: Barbara Opozda; Proc. Amer. Math. Soc. 132 (2004), 2713-2721; DOI: https://doi.org/10.1090/S0002-9939-04-07402-7; Published electronically: April 9, 2004; PDF

Computing infima on convex sets, with applications in Hilbert spaces: Douglas Bridges, Hajime Ishihara and Luminiţa Vîţă; Proc. Amer. Math. Soc. 132 (2004), 2723-2732; DOI: https://doi.org/10.1090/S0002-9939-04-07496-9; Published electronically: April 8, 2004; PDF

Uncountable categoricity for gross models: Michael C. Laskowski and Anand Pillay; Proc. Amer. Math. Soc. 132 (2004), 2733-2742; DOI: https://doi.org/10.1090/S0002-9939-04-07451-9; Published electronically: March 25, 2004; PDF

Conservativeness of diffusion processes with drift: Kazuhiro Kuwae; Proc. Amer. Math. Soc. 132 (2004), 2743-2751; DOI: https://doi.org/10.1090/S0002-9939-04-07283-1; Published electronically: April 21, 2004; PDF

Moment generating function of the reciprocal of an integral of geometric Brownian motion: Kyounghee Kim; Proc. Amer. Math. Soc. 132 (2004), 2753-2759; DOI: https://doi.org/10.1090/S0002-9939-04-07449-0; Published electronically: April 21, 2004; PDF

Devaney’s chaos implies existence of $s$-scrambled sets: Jie-Hua Mai; Proc. Amer. Math. Soc. 132 (2004), 2761-2767; DOI: https://doi.org/10.1090/S0002-9939-04-07514-8; Published electronically: April 21, 2004; PDF

New obstructions to the thickening of $CW$-complexes: Octavian Cornea; Proc. Amer. Math. Soc. 132 (2004), 2769-2781; DOI: https://doi.org/10.1090/S0002-9939-04-07345-9; Published electronically: March 25, 2004; PDF

First countable extensions of regular spaces: Petr Simon and Gino Tironi; Proc. Amer. Math. Soc. 132 (2004), 2783-2792; DOI: https://doi.org/10.1090/S0002-9939-04-07408-8; Published electronically: March 25, 2004; PDF

Indecomposables of multiplicative fibrations: James P. Lin; Proc. Amer. Math. Soc. 132 (2004), 2793-2797; DOI: https://doi.org/10.1090/S0002-9939-04-07396-4; Published electronically: March 2, 2004; PDF

On simultaneous linear extensions of partial (pseudo)metrics: E. D. Tymchatyn and M. Zarichnyi; Proc. Amer. Math. Soc. 132 (2004), 2799-2807; DOI: https://doi.org/10.1090/S0002-9939-04-07413-1; Published electronically: April 21, 2004; PDF

Knot signature functions are independent: Jae Choon Cha and Charles Livingston; Proc. Amer. Math. Soc. 132 (2004), 2809-2816; DOI: https://doi.org/10.1090/S0002-9939-04-07378-2; Published electronically: April 21, 2004; PDF