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 135, Number 7
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Bounds on the Castelnuovo-Mumford regularity of tensor products: Giulio Caviglia; Proc. Amer. Math. Soc. 135 (2007), 1949-1957; DOI: https://doi.org/10.1090/S0002-9939-07-08222-6; Published electronically: February 16, 2007; PDF

Fractalized cyclotomic polynomials: David P. Roberts; Proc. Amer. Math. Soc. 135 (2007), 1959-1967; DOI: https://doi.org/10.1090/S0002-9939-07-08629-7; Published electronically: February 28, 2007; PDF

Centralizers in free Poisson algebras: Leonid Makar-Limanov and Ualbai Umirbaev; Proc. Amer. Math. Soc. 135 (2007), 1969-1975; DOI: https://doi.org/10.1090/S0002-9939-07-08678-9; Published electronically: February 28, 2007; PDF

A new explicit expression of the Contou-Carrère symbol: Fernando Pablos Romo; Proc. Amer. Math. Soc. 135 (2007), 1977-1985; DOI: https://doi.org/10.1090/S0002-9939-07-08690-X; Published electronically: February 28, 2007; PDF

Triple product identity, Quintuple product identity and Ramanujan’s differential equations for the classical Eisenstein series: Heng Huat Chan; Proc. Amer. Math. Soc. 135 (2007), 1987-1992; DOI: https://doi.org/10.1090/S0002-9939-07-08723-0; Published electronically: March 2, 2007; PDF

Hilbert functions of Gorenstein monomial curves: Feza Arslan and Pinar Mete; Proc. Amer. Math. Soc. 135 (2007), 1993-2002; DOI: https://doi.org/10.1090/S0002-9939-07-08793-X; Published electronically: March 2, 2007; PDF

Ideals defining Gorenstein rings are (almost) never products: Craig Huneke; Proc. Amer. Math. Soc. 135 (2007), 2003-2005; DOI: https://doi.org/10.1090/S0002-9939-07-08758-8; Published electronically: February 6, 2007; PDF

Extensions of orthosymmetric lattice bimorphisms revisited: Karim Boulabiar; Proc. Amer. Math. Soc. 135 (2007), 2007-2009; DOI: https://doi.org/10.1090/S0002-9939-07-08787-4; Published electronically: February 6, 2007; PDF

Proof of the Barker array conjecture: James A. Davis, Jonathan Jedwab and Ken W. Smith; Proc. Amer. Math. Soc. 135 (2007), 2011-2018; DOI: https://doi.org/10.1090/S0002-9939-07-08703-5; Published electronically: March 2, 2007; PDF

Link of groups and homogeneous Hörmander operators: Alessia Elisabetta Kogoj and Ermanno Lanconelli; Proc. Amer. Math. Soc. 135 (2007), 2019-2030; DOI: https://doi.org/10.1090/S0002-9939-07-08646-7; Published electronically: February 28, 2007; PDF

Universality of Asplund spaces: Petr Hájek, Gilles Lancien and Vicente Montesinos; Proc. Amer. Math. Soc. 135 (2007), 2031-2035; DOI: https://doi.org/10.1090/S0002-9939-07-08780-1; Published electronically: February 28, 2007; PDF

Counterexamples to the well-posedness of $L^p$ transmission boundary value problems for the Laplacian: Irina Mitrea and Katharine Ott; Proc. Amer. Math. Soc. 135 (2007), 2037-2043; DOI: https://doi.org/10.1090/S0002-9939-07-08686-8; Published electronically: February 28, 2007; PDF

Non-reflexivity of the derivation space from Banach algebras of analytic functions: Ebrahim Samei; Proc. Amer. Math. Soc. 135 (2007), 2045-2049; DOI: https://doi.org/10.1090/S0002-9939-07-08655-8; Published electronically: February 28, 2007; PDF

A sharp inequality for the logarithmic coefficients of univalent functions: Oliver Roth; Proc. Amer. Math. Soc. 135 (2007), 2051-2054; DOI: https://doi.org/10.1090/S0002-9939-07-08660-1; Published electronically: March 2, 2007; PDF

Period two implies chaos for a class of ODEs: Franco Obersnel and Pierpaolo Omari; Proc. Amer. Math. Soc. 135 (2007), 2055-2058; DOI: https://doi.org/10.1090/S0002-9939-07-08700-X; Published electronically: January 9, 2007; PDF

A reduction theorem for the topological degree for mappings of class $(S+)$: J. Berkovits; Proc. Amer. Math. Soc. 135 (2007), 2059-2064; DOI: https://doi.org/10.1090/S0002-9939-07-08748-5; Published electronically: February 2, 2007; PDF

A new proof and generalizations of Gearhart’s theorem: Vu Quoc Phong; Proc. Amer. Math. Soc. 135 (2007), 2065-2072; DOI: https://doi.org/10.1090/S0002-9939-07-08691-1; Published electronically: February 2, 2007; PDF

Collapsed indecomposable continua in area preserving two-dimensional dynamical systems: Judy Kennedy; Proc. Amer. Math. Soc. 135 (2007), 2073-2080; DOI: https://doi.org/10.1090/S0002-9939-07-08751-5; Published electronically: February 2, 2007; PDF

A note on $k$-intersection bodies: Jared Schlieper; Proc. Amer. Math. Soc. 135 (2007), 2081-2088; DOI: https://doi.org/10.1090/S0002-9939-07-08774-6; Published electronically: February 2, 2007; PDF

On regularization of plurisubharmonic functions on manifolds: Zbigniew Blocki and Slawomir Kolodziej; Proc. Amer. Math. Soc. 135 (2007), 2089-2093; DOI: https://doi.org/10.1090/S0002-9939-07-08858-2; Published electronically: February 2, 2007; PDF

Some results on the Hochschild cohomology of group algebras: A. Pourabbas; Proc. Amer. Math. Soc. 135 (2007), 2095-2105; DOI: https://doi.org/10.1090/S0002-9939-07-08705-9; Published electronically: February 2, 2007; PDF

Noncoherence of some rings of functions: Amol Sasane; Proc. Amer. Math. Soc. 135 (2007), 2107-2111; DOI: https://doi.org/10.1090/S0002-9939-07-08704-7; Published electronically: February 6, 2007; PDF

On the Helton class of $p$-hyponormal operators: Yoenha Kim, Eungil Ko and Ji Eun Lee; Proc. Amer. Math. Soc. 135 (2007), 2113-2120; DOI: https://doi.org/10.1090/S0002-9939-07-08708-4; Published electronically: February 28, 2007; PDF

Multiple solutions for elliptic problems with singular and sublinear potentials: Alexandru Kristály and Csaba Varga; Proc. Amer. Math. Soc. 135 (2007), 2121-2126; DOI: https://doi.org/10.1090/S0002-9939-07-08715-1; Published electronically: February 6, 2007; PDF

A note on interpolation by Bloch functions: Daniel Pascuas; Proc. Amer. Math. Soc. 135 (2007), 2127-2130; DOI: https://doi.org/10.1090/S0002-9939-07-08722-9; Published electronically: March 2, 2007; PDF

A $q$-sampling theorem and product formula for continuous $q$-Jacobi functions: Fethi Bouzeffour; Proc. Amer. Math. Soc. 135 (2007), 2131-2139; DOI: https://doi.org/10.1090/S0002-9939-07-08717-5; Published electronically: February 6, 2007; PDF

Unique continuation for the Schrödinger equation with gradient vector potentials: Hongjie Dong and Wolfgang Staubach; Proc. Amer. Math. Soc. 135 (2007), 2141-2149; DOI: https://doi.org/10.1090/S0002-9939-07-08813-2; Published electronically: March 2, 2007; PDF

Operator theory on noncommutative varieties, II: Gelu Popescu; Proc. Amer. Math. Soc. 135 (2007), 2151-2164; DOI: https://doi.org/10.1090/S0002-9939-07-08719-9; Published electronically: March 1, 2007; PDF

Drifted Laplace operators on homogeneous trees: Enrico Casadio Tarabusi and Alessandro Figà-Talamanca; Proc. Amer. Math. Soc. 135 (2007), 2165-2175; DOI: https://doi.org/10.1090/S0002-9939-07-08811-9; Published electronically: February 8, 2007; PDF

Form estimates for the $p(x)$-Laplacean: W. Allegretto; Proc. Amer. Math. Soc. 135 (2007), 2177-2185; DOI: https://doi.org/10.1090/S0002-9939-07-08718-7; Published electronically: March 1, 2007; PDF

The problem of minimizing locally a $C^2$ functional around non-critical points is well-posed: Biagio Ricceri; Proc. Amer. Math. Soc. 135 (2007), 2187-2191; DOI: https://doi.org/10.1090/S0002-9939-07-08789-8; Published electronically: March 1, 2007; PDF

A generalization of the prolate spheroidal wave functions: Ahmed I. Zayed; Proc. Amer. Math. Soc. 135 (2007), 2193-2203; DOI: https://doi.org/10.1090/S0002-9939-07-08739-4; Published electronically: March 2, 2007; PDF

Composition operators on spaces of entire functions: Gerardo A. Chacón, Gerardo R. Chacón and José Giménez; Proc. Amer. Math. Soc. 135 (2007), 2205-2218; DOI: https://doi.org/10.1090/S0002-9939-07-08764-3; Published electronically: March 2, 2007; PDF

Oversampling generates super-wavelets: Dorin Ervin Dutkay and Palle Jorgensen; Proc. Amer. Math. Soc. 135 (2007), 2219-2227; DOI: https://doi.org/10.1090/S0002-9939-07-08724-2; Published electronically: February 6, 2007; PDF

On the poles of the resolvent in Calkin algebra: O. Bel Hadj Fredj; Proc. Amer. Math. Soc. 135 (2007), 2229-2234; DOI: https://doi.org/10.1090/S0002-9939-07-08733-3; Published electronically: March 2, 2007; PDF

On the Makarov law of the iterated logarithm: Håkan Hedenmalm and Ilgiz Kayumov; Proc. Amer. Math. Soc. 135 (2007), 2235-2248; DOI: https://doi.org/10.1090/S0002-9939-07-08772-2; Published electronically: February 6, 2007; PDF

On the universal integral means spectrum of conformal mappings near the origin: Håkan Hedenmalm and Serguei Shimorin; Proc. Amer. Math. Soc. 135 (2007), 2249-2255; DOI: https://doi.org/10.1090/S0002-9939-07-08737-0; Published electronically: February 2, 2007; PDF

Burgers equation with random boundary conditions: Yuri Bakhtin; Proc. Amer. Math. Soc. 135 (2007), 2257-2262; DOI: https://doi.org/10.1090/S0002-9939-07-08736-9; Published electronically: March 2, 2007; PDF

Spaces with many affine functions: Petra Hitzelberger and Alexander Lytchak; Proc. Amer. Math. Soc. 135 (2007), 2263-2271; DOI: https://doi.org/10.1090/S0002-9939-07-08728-X; Published electronically: March 2, 2007; PDF

Transversals for strongly almost disjoint families: Paul J. Szeptycki; Proc. Amer. Math. Soc. 135 (2007), 2273-2282; DOI: https://doi.org/10.1090/S0002-9939-07-08714-X; Published electronically: February 28, 2007; PDF

Maharam algebras and Cohen reals: Ilijas Farah and Boban Veličković; Proc. Amer. Math. Soc. 135 (2007), 2283-2290; DOI: https://doi.org/10.1090/S0002-9939-07-08759-X; Published electronically: February 2, 2007; PDF

Large cardinals with few measures: Arthur W. Apter, James Cummings and Joel David Hamkins; Proc. Amer. Math. Soc. 135 (2007), 2291-2300; DOI: https://doi.org/10.1090/S0002-9939-07-08786-2; Published electronically: March 2, 2007; PDF

The geography of symplectic $4$-manifolds with an arbitrary fundamental group: Jongil Park; Proc. Amer. Math. Soc. 135 (2007), 2301-2307; DOI: https://doi.org/10.1090/S0002-9939-07-08818-1; Published electronically: March 2, 2007; PDF