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.

What is MCQ? The Mathematical Citation Quotient (MCQ) measures journal impact by looking at citations over a five-year period. Subscribers to MathSciNet may click through for more detailed information.

Contents of Volume 137, Number 9
HTML articles powered by AMS MathViewer
View front and back matter from the print issue

Restricted Lie algebras in which every restricted subalgebra is an ideal: Salvatore Siciliano; Proc. Amer. Math. Soc. 137 (2009), 2817-2823; DOI: https://doi.org/10.1090/S0002-9939-09-09780-9; Published electronically: April 10, 2009; PDF

Betti number bounds for fewnomial hypersurfaces via stratified Morse theory: Frédéric Bihan and Frank Sottile; Proc. Amer. Math. Soc. 137 (2009), 2825-2833; DOI: https://doi.org/10.1090/S0002-9939-09-09902-X; Published electronically: April 23, 2009; PDF

Resonance of basis-conjugating automorphism groups: Daniel C. Cohen; Proc. Amer. Math. Soc. 137 (2009), 2835-2841; DOI: https://doi.org/10.1090/S0002-9939-09-09858-X; Published electronically: February 16, 2009; PDF

An upper cardinal bound on absolute E-rings: Daniel Herden and Saharon Shelah; Proc. Amer. Math. Soc. 137 (2009), 2843-2847; DOI: https://doi.org/10.1090/S0002-9939-09-09842-6; Published electronically: February 24, 2009; PDF

From a Ramanujan-Selberg continued fraction to a Jacobian identity: Hei-Chi Chan; Proc. Amer. Math. Soc. 137 (2009), 2849-2856; DOI: https://doi.org/10.1090/S0002-9939-09-09835-9; Published electronically: March 4, 2009; PDF

A note on the strong direct summand conjecture: Jason McCullough; Proc. Amer. Math. Soc. 137 (2009), 2857-2864; DOI: https://doi.org/10.1090/S0002-9939-09-09853-0; Published electronically: March 25, 2009; PDF

A remark on Polignac’s conjecture: Paulo Ribenboim; Proc. Amer. Math. Soc. 137 (2009), 2865-2868; DOI: https://doi.org/10.1090/S0002-9939-09-09840-2; Published electronically: February 12, 2009; PDF

On non-uniform Ramanujan complexes: Beth Samuels; Proc. Amer. Math. Soc. 137 (2009), 2869-2877; DOI: https://doi.org/10.1090/S0002-9939-09-09880-3; Published electronically: April 17, 2009; PDF

On sums involving coefficients of automorphic $L$-functions: Guangshi Lü; Proc. Amer. Math. Soc. 137 (2009), 2879-2887; DOI: https://doi.org/10.1090/S0002-9939-09-09845-1; Published electronically: March 27, 2009; PDF

On the solvability of systems of bilinear equations in finite fields: Le Anh Vinh; Proc. Amer. Math. Soc. 137 (2009), 2889-2898; DOI: https://doi.org/10.1090/S0002-9939-09-09947-X; Published electronically: May 4, 2009; PDF

On prime rings with commuting nilpotent elements: M. Chebotar, P.-H. Lee and E. R. Puczyłowski; Proc. Amer. Math. Soc. 137 (2009), 2899-2903; DOI: https://doi.org/10.1090/S0002-9939-09-09894-3; Published electronically: March 30, 2009; PDF

Jacobson’s theorem for bilinear forms in characteristic 2: Ahmed Laghribi; Proc. Amer. Math. Soc. 137 (2009), 2905-2912; DOI: https://doi.org/10.1090/S0002-9939-09-09861-X; Published electronically: March 18, 2009; PDF

Least totients in arithmetic progressions: Javier Cilleruelo and Moubariz Z. Garaev; Proc. Amer. Math. Soc. 137 (2009), 2913-2919; DOI: https://doi.org/10.1090/S0002-9939-09-09864-5; Published electronically: March 5, 2009; PDF

CSP dichotomy for special triads: Libor Barto, Marcin Kozik, Miklós Maróti and Todd Niven; Proc. Amer. Math. Soc. 137 (2009), 2921-2934; DOI: https://doi.org/10.1090/S0002-9939-09-09883-9; Published electronically: April 2, 2009; PDF

Derivations preserving a monomial ideal: Yohannes Tadesse; Proc. Amer. Math. Soc. 137 (2009), 2935-2942; DOI: https://doi.org/10.1090/S0002-9939-09-09922-5; Published electronically: May 4, 2009; PDF

Core partitions and block coverings: Jørn B. Olsson; Proc. Amer. Math. Soc. 137 (2009), 2943-2951; DOI: https://doi.org/10.1090/S0002-9939-09-09909-2; Published electronically: April 8, 2009; PDF

A constructive bound on kissing numbers: Chaoping Xing; Proc. Amer. Math. Soc. 137 (2009), 2953-2957; DOI: https://doi.org/10.1090/S0002-9939-09-09888-8; Published electronically: April 3, 2009; PDF

Lacunarity of certain partition-theoretic generating functions: Emily Clader, Yvonne Kemper and Matt Wage; Proc. Amer. Math. Soc. 137 (2009), 2959-2968; DOI: https://doi.org/10.1090/S0002-9939-09-09896-7; Published electronically: May 6, 2009; PDF

On the slice map problem for $H^\infty (\Omega )$ and the reflexivity of tensor products: Michael Didas; Proc. Amer. Math. Soc. 137 (2009), 2969-2978; DOI: https://doi.org/10.1090/S0002-9939-09-09925-0; Published electronically: April 23, 2009; PDF

Orthogonal polynomials and partial differential equations on the unit ball: Miguel Piñar and Yuan Xu; Proc. Amer. Math. Soc. 137 (2009), 2979-2987; DOI: https://doi.org/10.1090/S0002-9939-09-09932-8; Published electronically: April 14, 2009; PDF

Lipschitz $p$-summing operators: Jeffrey D. Farmer and William B. Johnson; Proc. Amer. Math. Soc. 137 (2009), 2989-2995; DOI: https://doi.org/10.1090/S0002-9939-09-09865-7; Published electronically: April 15, 2009; PDF

A $q$-analogue of non-strict multiple zeta values and basic hypergeometric series: Yoshihiro Takeyama; Proc. Amer. Math. Soc. 137 (2009), 2997-3002; DOI: https://doi.org/10.1090/S0002-9939-09-09931-6; Published electronically: May 4, 2009; PDF

Large-time behavior of periodic entropy solutions to anisotropic degenerate parabolic-hyperbolic equations: Gui-Qiang Chen and Benoît Perthame; Proc. Amer. Math. Soc. 137 (2009), 3003-3011; DOI: https://doi.org/10.1090/S0002-9939-09-09898-0; Published electronically: April 10, 2009; PDF

Asymptotics for a gradient system with memory term: Alexandre Cabot; Proc. Amer. Math. Soc. 137 (2009), 3013-3024; DOI: https://doi.org/10.1090/S0002-9939-09-09910-9; Published electronically: May 4, 2009; PDF

Asymptotic behavior of individual orbits of discrete systems: Nguyen Van Minh; Proc. Amer. Math. Soc. 137 (2009), 3025-3035; DOI: https://doi.org/10.1090/S0002-9939-09-09871-2; Published electronically: February 11, 2009; PDF

Analyticity of compact complements of complete Kähler manifolds: Boudjemâa Anchouche; Proc. Amer. Math. Soc. 137 (2009), 3037-3044; DOI: https://doi.org/10.1090/S0002-9939-09-09762-7; Published electronically: March 24, 2009; PDF

Estimates for the Green functions of nonautonomous higher order differential equations: Michael Gil’; Proc. Amer. Math. Soc. 137 (2009), 3045-3055; DOI: https://doi.org/10.1090/S0002-9939-09-09829-3; Published electronically: February 23, 2009; PDF

The $S$-transform of symmetric probability measures with unbounded supports: Octavio Arizmendi E. and Victor Pérez-Abreu; Proc. Amer. Math. Soc. 137 (2009), 3057-3066; DOI: https://doi.org/10.1090/S0002-9939-09-09841-4; Published electronically: February 16, 2009; PDF

Positive and negative results on the numerical index of Banach spaces and duality: Miguel Martín; Proc. Amer. Math. Soc. 137 (2009), 3067-3075; DOI: https://doi.org/10.1090/S0002-9939-09-09837-2; Published electronically: February 19, 2009; PDF

Quadratic rational maps lacking period 2 orbits: Rika Hagihara; Proc. Amer. Math. Soc. 137 (2009), 3077-3090; DOI: https://doi.org/10.1090/S0002-9939-09-09852-9; Published electronically: March 18, 2009; PDF

Reducing subspaces for a class of multiplication operators on the Dirichlet space: Liankuo Zhao; Proc. Amer. Math. Soc. 137 (2009), 3091-3097; DOI: https://doi.org/10.1090/S0002-9939-09-09859-1; Published electronically: March 11, 2009; PDF

Estimating the trace-free Ricci tensor in Ricci flow: Dan Knopf; Proc. Amer. Math. Soc. 137 (2009), 3099-3103; DOI: https://doi.org/10.1090/S0002-9939-09-09940-7; Published electronically: April 30, 2009; PDF

Compact graphs over a sphere of constant second order mean curvature: A. Barros and P. Sousa; Proc. Amer. Math. Soc. 137 (2009), 3105-3114; DOI: https://doi.org/10.1090/S0002-9939-09-09862-1; Published electronically: April 23, 2009; PDF

Ultrafilters with property $( {s})$: Arnold W. Miller; Proc. Amer. Math. Soc. 137 (2009), 3115-3121; DOI: https://doi.org/10.1090/S0002-9939-09-09919-5; Published electronically: April 20, 2009; PDF

Limit-like predictability for discontinuous functions: Christopher S. Hardin and Alan D. Taylor; Proc. Amer. Math. Soc. 137 (2009), 3123-3128; DOI: https://doi.org/10.1090/S0002-9939-09-09877-3; Published electronically: March 18, 2009; PDF

Menger subsets of the Sorgenfrey line: Masami Sakai; Proc. Amer. Math. Soc. 137 (2009), 3129-3138; DOI: https://doi.org/10.1090/S0002-9939-09-09887-6; Published electronically: March 24, 2009; PDF

On a converse to Banach’s Fixed Point Theorem: Márton Elekes; Proc. Amer. Math. Soc. 137 (2009), 3139-3146; DOI: https://doi.org/10.1090/S0002-9939-09-09904-3; Published electronically: April 30, 2009; PDF

Effective minimal subflows of Bernoulli flows: Eli Glasner and Vladimir V. Uspenskij; Proc. Amer. Math. Soc. 137 (2009), 3147-3154; DOI: https://doi.org/10.1090/S0002-9939-09-09905-5; Published electronically: April 14, 2009; PDF

Quantum isometry group of the $n$-tori: Jyotishman Bhowmick; Proc. Amer. Math. Soc. 137 (2009), 3155-3161; DOI: https://doi.org/10.1090/S0002-9939-09-09908-0; Published electronically: May 4, 2009; PDF

Non-vanishing complex vector fields and the Euler characteristic: Howard Jacobowitz; Proc. Amer. Math. Soc. 137 (2009), 3163-3165; DOI: https://doi.org/10.1090/S0002-9939-09-09915-8; Published electronically: May 1, 2009; PDF

Erratum to: On enumeration of conjugacy classes of Coxeter elements: Matthew Macauley and Henning S. Mortveit; Proc. Amer. Math. Soc. 137 (2009), 3167-3167; DOI: https://doi.org/10.1090/S0002-9939-09-09884-0; Published electronically: March 20, 2009; PDF