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)

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Contents of Volume 138, Number 7
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On the existence of embeddings into modules of finite homological dimensions: Ryo Takahashi, Siamak Yassemi and Yuji Yoshino; Proc. Amer. Math. Soc. 138 (2010), 2265-2268; DOI: https://doi.org/10.1090/S0002-9939-10-10323-2; Published electronically: February 23, 2010; PDF

On the endofiniteness of a key module over pure semisimple rings: Nguyen Viet Dung and José Luis García; Proc. Amer. Math. Soc. 138 (2010), 2269-2278; DOI: https://doi.org/10.1090/S0002-9939-10-10098-7; Published electronically: February 23, 2010; PDF

The irreducibility of symmetric Yagzhev maps: Sławomir Bakalarski; Proc. Amer. Math. Soc. 138 (2010), 2279-2281; DOI: https://doi.org/10.1090/S0002-9939-10-10109-9; Published electronically: March 10, 2010; PDF

On the exact degree of $\mathbb {Q}(\sqrt {a_1}, \sqrt {a_2},\ldots , \sqrt {a_\ell })$ over $\mathbb {Q}$: R. Balasubramanian, F. Luca and R. Thangadurai; Proc. Amer. Math. Soc. 138 (2010), 2283-2288; DOI: https://doi.org/10.1090/S0002-9939-10-10331-1; Published electronically: March 15, 2010; PDF

Zeros of the Eisenstein series $E_2$: Abdelkrim El Basraoui and Abdellah Sebbar; Proc. Amer. Math. Soc. 138 (2010), 2289-2299; DOI: https://doi.org/10.1090/S0002-9939-10-10300-1; Published electronically: February 24, 2010; PDF

A Barban-Davenport-Halberstam asymptotic for number fields: Ethan Smith; Proc. Amer. Math. Soc. 138 (2010), 2301-2309; DOI: https://doi.org/10.1090/S0002-9939-10-10303-7; Published electronically: March 3, 2010; PDF

On the codimension growth of $G$-graded algebras: Eli Aljadeff; Proc. Amer. Math. Soc. 138 (2010), 2311-2320; DOI: https://doi.org/10.1090/S0002-9939-10-10282-2; Published electronically: March 10, 2010; PDF

Higher order shuffle regularization for multiple zeta values: Zhong-hua Li; Proc. Amer. Math. Soc. 138 (2010), 2321-2333; DOI: https://doi.org/10.1090/S0002-9939-10-10354-2; Published electronically: March 10, 2010; PDF

The weak Lefschetz property and powers of linear forms in $\mathbb {K}[x,y,z]$: Hal Schenck and Alexandra Seceleanu; Proc. Amer. Math. Soc. 138 (2010), 2335-2339; DOI: https://doi.org/10.1090/S0002-9939-10-10288-3; Published electronically: February 4, 2010; PDF

On the degree of rapid decay: Bogdan Nica; Proc. Amer. Math. Soc. 138 (2010), 2341-2347; DOI: https://doi.org/10.1090/S0002-9939-10-10289-5; Published electronically: March 4, 2010; PDF

Generalizations of Gershgorin disks and polynomial zeros: A. Melman; Proc. Amer. Math. Soc. 138 (2010), 2349-2364; DOI: https://doi.org/10.1090/S0002-9939-10-10294-9; Published electronically: March 10, 2010; PDF

Algebraic cycles of a fixed degree: Wenchuan Hu; Proc. Amer. Math. Soc. 138 (2010), 2365-2373; DOI: https://doi.org/10.1090/S0002-9939-10-10311-6; Published electronically: February 25, 2010; PDF

A note on values of noncommutative polynomials: Matej Brešar and Igor Klep; Proc. Amer. Math. Soc. 138 (2010), 2375-2379; DOI: https://doi.org/10.1090/S0002-9939-10-10324-4; Published electronically: March 15, 2010; PDF

A non-finitely generated algebra of Frobenius maps: Mordechai Katzman; Proc. Amer. Math. Soc. 138 (2010), 2381-2383; DOI: https://doi.org/10.1090/S0002-9939-10-10336-0; Published electronically: March 11, 2010; PDF

Persistence of the non-twist torus in nearly integrable hamiltonian systems: Junxiang Xu and Jiangong You; Proc. Amer. Math. Soc. 138 (2010), 2385-2395; DOI: https://doi.org/10.1090/S0002-9939-10-10151-8; Published electronically: February 18, 2010; PDF

Another proof for the removable singularities of the heat equation: Kin Ming Hui; Proc. Amer. Math. Soc. 138 (2010), 2397-2402; DOI: https://doi.org/10.1090/S0002-9939-10-10352-9; Published electronically: February 18, 2010; PDF

Discontinuity of the Lempert function of the spectral ball: Pascal J. Thomas and Nguyen Van Trao; Proc. Amer. Math. Soc. 138 (2010), 2403-2412; DOI: https://doi.org/10.1090/S0002-9939-10-10269-X; Published electronically: February 24, 2010; PDF

Baire category and the weak bang-bang property for continuous differential inclusions: F. S. De Blasi and G. Pianigiani; Proc. Amer. Math. Soc. 138 (2010), 2413-2423; DOI: https://doi.org/10.1090/S0002-9939-10-10290-1; Published electronically: March 15, 2010; PDF

Invariant subspaces in Bergman space over the bidisc: David Redett and James Tung; Proc. Amer. Math. Soc. 138 (2010), 2425-2430; DOI: https://doi.org/10.1090/S0002-9939-10-10337-2; Published electronically: March 4, 2010; PDF

Burkholder’s inequalities in noncommutative Lorentz spaces: Yong Jiao; Proc. Amer. Math. Soc. 138 (2010), 2431-2441; DOI: https://doi.org/10.1090/S0002-9939-10-10267-6; Published electronically: March 24, 2010; PDF

Subsystems of Fock need not be Fock: Spatial CP-semigroups: B. V. Rajarama Bhat, Volkmar Liebscher and Michael Skeide; Proc. Amer. Math. Soc. 138 (2010), 2443-2456; DOI: https://doi.org/10.1090/S0002-9939-10-10260-3; Published electronically: February 25, 2010; PDF

Best possible global bounds for Jensen functional: Slavko Simic; Proc. Amer. Math. Soc. 138 (2010), 2457-2462; DOI: https://doi.org/10.1090/S0002-9939-10-10353-0; Published electronically: March 10, 2010; PDF

The defect index of singular symmetric linear difference equations with real coefficients: Guojing Ren and Yuming Shi; Proc. Amer. Math. Soc. 138 (2010), 2463-2475; DOI: https://doi.org/10.1090/S0002-9939-10-10253-6; Published electronically: February 24, 2010; PDF

Hitting time in regular sets and logarithm law for rapidly mixing dynamical systems: Stefano Galatolo; Proc. Amer. Math. Soc. 138 (2010), 2477-2487; DOI: https://doi.org/10.1090/S0002-9939-10-10275-5; Published electronically: March 4, 2010; PDF

Tangencies between holomorphic maps and holomorphic laminations: A. Eremenko and A. Gabrielov; Proc. Amer. Math. Soc. 138 (2010), 2489-2492; DOI: https://doi.org/10.1090/S0002-9939-10-10328-1; Published electronically: February 12, 2010; PDF

Integral conditions on the uniform asymptotic stability for two-dimensional linear systems with time-varying coefficients: Jitsuro Sugie and Masakazu Onitsuka; Proc. Amer. Math. Soc. 138 (2010), 2493-2503; DOI: https://doi.org/10.1090/S0002-9939-10-10274-3; Published electronically: February 24, 2010; PDF

Approximation by strongly annular solutions of functional equations: R. Daquila; Proc. Amer. Math. Soc. 138 (2010), 2505-2511; DOI: https://doi.org/10.1090/S0002-9939-10-10278-0; Published electronically: February 18, 2010; PDF

Uniform asymptotic expansions of the Tricomi-Carlitz polynomials: K. F. Lee and R. Wong; Proc. Amer. Math. Soc. 138 (2010), 2513-2519; DOI: https://doi.org/10.1090/S0002-9939-10-10301-3; Published electronically: March 4, 2010; PDF

The real plank problem and some applications: G. A. Muñoz-Fernández, Y. Sarantopoulos and J. B. Seoane-Sepúlveda; Proc. Amer. Math. Soc. 138 (2010), 2521-2535; DOI: https://doi.org/10.1090/S0002-9939-10-10295-0; Published electronically: February 23, 2010; PDF

Essential norms of composition operators between Bloch type spaces: Ruhan Zhao; Proc. Amer. Math. Soc. 138 (2010), 2537-2546; DOI: https://doi.org/10.1090/S0002-9939-10-10285-8; Published electronically: February 26, 2010; PDF

On identities involving the sixth order mock theta functions: Jeremy Lovejoy; Proc. Amer. Math. Soc. 138 (2010), 2547-2552; DOI: https://doi.org/10.1090/S0002-9939-10-10296-2; Published electronically: March 3, 2010; PDF

New thoughts on the vector-valued Mihlin–Hörmander multiplier theorem: Tuomas P. Hytönen; Proc. Amer. Math. Soc. 138 (2010), 2553-2560; DOI: https://doi.org/10.1090/S0002-9939-10-10317-7; Published electronically: March 11, 2010; PDF

On the Gauss curvature of compact surfaces in homogeneous 3-manifolds: Francisco Torralbo and Francisco Urbano; Proc. Amer. Math. Soc. 138 (2010), 2561-2567; DOI: https://doi.org/10.1090/S0002-9939-10-10316-5; Published electronically: February 25, 2010; PDF

On an exponential predicate in polynomials over finite fields: Alla Sirokofskich; Proc. Amer. Math. Soc. 138 (2010), 2569-2583; DOI: https://doi.org/10.1090/S0002-9939-10-10258-5; Published electronically: February 18, 2010; PDF

On the number of universal sofic groups: Simon Thomas; Proc. Amer. Math. Soc. 138 (2010), 2585-2590; DOI: https://doi.org/10.1090/S0002-9939-10-10280-9; Published electronically: February 26, 2010; PDF

Automorphism groups of small simple groups of finite Morley rank: Olivier Frécon; Proc. Amer. Math. Soc. 138 (2010), 2591-2599; DOI: https://doi.org/10.1090/S0002-9939-10-10326-8; Published electronically: March 8, 2010; PDF

Upper bounds for series involving moderate and small deviations: Aurel Spătaru; Proc. Amer. Math. Soc. 138 (2010), 2601-2606; DOI: https://doi.org/10.1090/S0002-9939-10-10247-0; Published electronically: February 26, 2010; PDF

Uniqueness for a stochastic inviscid dyadic model: D. Barbato, F. Flandoli and F. Morandin; Proc. Amer. Math. Soc. 138 (2010), 2607-2617; DOI: https://doi.org/10.1090/S0002-9939-10-10318-9; Published electronically: February 24, 2010; PDF

Approximation of probability distributions by convex mixtures of Gaussian measures: Athanassia G. Bacharoglou; Proc. Amer. Math. Soc. 138 (2010), 2619-2628; DOI: https://doi.org/10.1090/S0002-9939-10-10340-2; Published electronically: March 15, 2010; PDF

Stochastic completeness and volume growth: Christian Bär and G. Pacelli Bessa; Proc. Amer. Math. Soc. 138 (2010), 2629-2640; DOI: https://doi.org/10.1090/S0002-9939-10-10281-0; Published electronically: March 4, 2010; PDF