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 139, Number 7
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Bounding the residual finiteness of free groups: Martin Kassabov and Francesco Matucci; Proc. Amer. Math. Soc. 139 (2011), 2281-2286; DOI: https://doi.org/10.1090/S0002-9939-2011-10967-5; Published electronically: February 25, 2011; PDF

Homeomorphisms of two-point sets: Ben Chad and Chris Good; Proc. Amer. Math. Soc. 139 (2011), 2287-2293; DOI: https://doi.org/10.1090/S0002-9939-2011-10606-3; Published electronically: March 7, 2011; PDF

Immersed surfaces in the modular orbifold: Danny Calegari and Joel Louwsma; Proc. Amer. Math. Soc. 139 (2011), 2295-2308; DOI: https://doi.org/10.1090/S0002-9939-2011-10911-0; Published electronically: March 7, 2011; PDF

Betti numbers of the geometric spaces associated to nonrational simple convex polytopes: Fiammetta Battaglia; Proc. Amer. Math. Soc. 139 (2011), 2309-2315; DOI: https://doi.org/10.1090/S0002-9939-2010-10709-8; Published electronically: November 29, 2010; PDF

Some remarks on symplectic injective stability: Rabeya Basu, Pratyusha Chattopadhyay and Ravi A. Rao; Proc. Amer. Math. Soc. 139 (2011), 2317-2325; DOI: https://doi.org/10.1090/S0002-9939-2010-10654-8; Published electronically: December 16, 2010; PDF

New criterions of existence and conjugacy of Hall subgroups of finite groups: Wenbin Guo and Alexander N. Skiba; Proc. Amer. Math. Soc. 139 (2011), 2327-2336; DOI: https://doi.org/10.1090/S0002-9939-2010-10675-5; Published electronically: December 2, 2010; PDF

On the exponent of the group of points of an elliptic curve over a finite field: Francesco Pappalardi; Proc. Amer. Math. Soc. 139 (2011), 2337-2341; DOI: https://doi.org/10.1090/S0002-9939-2010-10658-5; Published electronically: December 6, 2010; PDF

On Demazure crystals for $U_q(G_2^{(1)})$: Rebecca L. Jayne and Kailash C. Misra; Proc. Amer. Math. Soc. 139 (2011), 2343-2356; DOI: https://doi.org/10.1090/S0002-9939-2010-10663-9; Published electronically: December 7, 2010; PDF

Symbolic powers and matroids: Matteo Varbaro; Proc. Amer. Math. Soc. 139 (2011), 2357-2366; DOI: https://doi.org/10.1090/S0002-9939-2010-10685-8; Published electronically: December 8, 2010; PDF

Irreducible weight modules over Witt algebras: Xiangqian Guo and Kaiming Zhao; Proc. Amer. Math. Soc. 139 (2011), 2367-2373; DOI: https://doi.org/10.1090/S0002-9939-2010-10679-2; Published electronically: December 9, 2010; PDF

Congruences via modular forms: Robert Osburn and Brundaban Sahu; Proc. Amer. Math. Soc. 139 (2011), 2375-2381; DOI: https://doi.org/10.1090/S0002-9939-2010-10771-2; Published electronically: December 9, 2010; PDF

Topological constructions for multigraded squarefree modules: Hara Charalambous; Proc. Amer. Math. Soc. 139 (2011), 2383-2397; DOI: https://doi.org/10.1090/S0002-9939-2010-10677-9; Published electronically: December 17, 2010; PDF

The positivity of the first coefficients of normal Hilbert polynomials: Shiro Goto, Jooyoun Hong and Mousumi Mandal; Proc. Amer. Math. Soc. 139 (2011), 2399-2406; DOI: https://doi.org/10.1090/S0002-9939-2010-10710-4; Published electronically: December 16, 2010; PDF

Picard-Vessiot extensions for real fields: Elżbieta Sowa; Proc. Amer. Math. Soc. 139 (2011), 2407-2413; DOI: https://doi.org/10.1090/S0002-9939-2010-10700-1; Published electronically: December 9, 2010; PDF

Canonical filtrations of Gorenstein injective modules: Edgar E. Enochs and Zhaoyong Huang; Proc. Amer. Math. Soc. 139 (2011), 2415-2421; DOI: https://doi.org/10.1090/S0002-9939-2010-10686-X; Published electronically: December 9, 2010; PDF

Preservation of the residual classes numbers by polynomials: Jean-Luc Chabert and Youssef Fares; Proc. Amer. Math. Soc. 139 (2011), 2423-2430; DOI: https://doi.org/10.1090/S0002-9939-2010-10696-2; Published electronically: December 20, 2010; PDF

Finding integral diagonal pairs in a two dimensional $\mathcal {N}$–set: Lev A. Borisov and Renling Jin; Proc. Amer. Math. Soc. 139 (2011), 2431-2434; DOI: https://doi.org/10.1090/S0002-9939-2010-10688-3; Published electronically: December 20, 2010; PDF

Minimal non-elementary Lie algebras: Kristen Stagg and Ernest Stitzinger; Proc. Amer. Math. Soc. 139 (2011), 2435-2437; DOI: https://doi.org/10.1090/S0002-9939-2010-10711-6; Published electronically: December 23, 2010; PDF

Generators of a Picard modular group in two complex dimensions: Elisha Falbel, Gábor Francsics, Peter D. Lax and John R. Parker; Proc. Amer. Math. Soc. 139 (2011), 2439-2447; DOI: https://doi.org/10.1090/S0002-9939-2010-10653-6; Published electronically: November 30, 2010; PDF

Local equivalence problem for Levi flat hypersurfaces: Giuseppe Della Sala; Proc. Amer. Math. Soc. 139 (2011), 2449-2461; DOI: https://doi.org/10.1090/S0002-9939-2010-10746-3; Published electronically: December 3, 2010; PDF

Estimates of gradient and of Jacobian of harmonic mappings defined in the unit disk: David Kalaj; Proc. Amer. Math. Soc. 139 (2011), 2463-2472; DOI: https://doi.org/10.1090/S0002-9939-2010-10691-3; Published electronically: December 3, 2010; PDF

On multilinear determinant functionals: Philip T. Gressman; Proc. Amer. Math. Soc. 139 (2011), 2473-2484; DOI: https://doi.org/10.1090/S0002-9939-2010-10656-1; Published electronically: December 6, 2010; PDF

Ergodic actions of convergent Fuchsian groups on quotients of the noncommutative Hardy algebras: Alvaro Arias and Frédéric Latrémolière; Proc. Amer. Math. Soc. 139 (2011), 2485-2496; DOI: https://doi.org/10.1090/S0002-9939-2011-10794-9; Published electronically: January 4, 2011; PDF

Multipliers and essential norm on the Drury-Arveson space: Quanlei Fang and Jingbo Xia; Proc. Amer. Math. Soc. 139 (2011), 2497-2504; DOI: https://doi.org/10.1090/S0002-9939-2010-10680-9; Published electronically: December 16, 2010; PDF

On the asymptotic behavior of weakly lacunary series: C. Aistleitner, I. Berkes and R. Tichy; Proc. Amer. Math. Soc. 139 (2011), 2505-2517; DOI: https://doi.org/10.1090/S0002-9939-2011-10682-8; Published electronically: February 9, 2011; PDF

Generic nondegeneracy in convex optimization: Dmitriy Drusvyatskiy and Adrian S. Lewis; Proc. Amer. Math. Soc. 139 (2011), 2519-2527; DOI: https://doi.org/10.1090/S0002-9939-2010-10692-5; Published electronically: December 21, 2010; PDF

On injective von Neumann algebras: G. Racher; Proc. Amer. Math. Soc. 139 (2011), 2529-2541; DOI: https://doi.org/10.1090/S0002-9939-2010-10793-1; Published electronically: December 21, 2010; PDF

On the sweeping out property for convolution operators of discrete measures: G. A. Karagulyan; Proc. Amer. Math. Soc. 139 (2011), 2543-2552; DOI: https://doi.org/10.1090/S0002-9939-2010-10829-8; Published electronically: December 22, 2010; PDF

Concave unimodal maps have no majorisation relations between their ergodic measures: Jacob Steel; Proc. Amer. Math. Soc. 139 (2011), 2553-2558; DOI: https://doi.org/10.1090/S0002-9939-2010-10705-0; Published electronically: December 30, 2010; PDF

Low-dimensional manifolds with non-negative curvature and maximal symmetry rank: Fernando Galaz-Garcia and Catherine Searle; Proc. Amer. Math. Soc. 139 (2011), 2559-2564; DOI: https://doi.org/10.1090/S0002-9939-2010-10655-X; Published electronically: December 3, 2010; PDF

A remark on the isotropy constant of polytopes: David Alonso-Gutiérrez; Proc. Amer. Math. Soc. 139 (2011), 2565-2569; DOI: https://doi.org/10.1090/S0002-9939-2010-10669-X; Published electronically: December 7, 2010; PDF

Almost quarter-pinched Kähler metrics and Chern numbers: Martin Deraux and Harish Seshadri; Proc. Amer. Math. Soc. 139 (2011), 2571-2576; DOI: https://doi.org/10.1090/S0002-9939-2010-10676-7; Published electronically: December 9, 2010; PDF

Circle packing coordinates for the moduli space of tori: G. Brock Williams; Proc. Amer. Math. Soc. 139 (2011), 2577-2585; DOI: https://doi.org/10.1090/S0002-9939-2010-10690-1; Published electronically: December 17, 2010; PDF

Multiplicative strong unimodality for positive stable laws: Thomas Simon; Proc. Amer. Math. Soc. 139 (2011), 2587-2595; DOI: https://doi.org/10.1090/S0002-9939-2010-10697-4; Published electronically: December 20, 2010; PDF

Differential forms, fluids, and finite models: Scott O. Wilson; Proc. Amer. Math. Soc. 139 (2011), 2597-2604; DOI: https://doi.org/10.1090/S0002-9939-2011-11003-7; Published electronically: February 22, 2011; PDF

Minimal sequences of Reidemeister moves on diagrams of torus knots: Chuichiro Hayashi and Miwa Hayashi; Proc. Amer. Math. Soc. 139 (2011), 2605-2614; DOI: https://doi.org/10.1090/S0002-9939-2010-10800-6; Published electronically: December 23, 2010; PDF

Transversely Cantor laminations as inverse limits: Fernando Alcalde Cuesta, Álvaro Lozano Rojo and Marta Macho Stadler; Proc. Amer. Math. Soc. 139 (2011), 2615-2630; DOI: https://doi.org/10.1090/S0002-9939-2010-10665-2; Published electronically: December 8, 2010; PDF

Turaev genus, knot signature, and the knot homology concordance invariants: Oliver T. Dasbach and Adam M. Lowrance; Proc. Amer. Math. Soc. 139 (2011), 2631-2645; DOI: https://doi.org/10.1090/S0002-9939-2010-10698-6; Published electronically: December 22, 2010; PDF

The Rasmussen invariant of a homogeneous knot: Tetsuya Abe; Proc. Amer. Math. Soc. 139 (2011), 2647-2656; DOI: https://doi.org/10.1090/S0002-9939-2010-10687-1; Published electronically: December 20, 2010; PDF