Contents of Volume 137, Number 11

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Almost universal ternary sums of triangular numbers

Wai Kiu Chan and Byeong-Kweon Oh.
Proc. Amer. Math. Soc. 137 (2009), 3553-3562
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MathSciNet review: 2529860

Signs of Fourier coefficients of two cusp forms of different weights

Winfried Kohnen and Jyoti Sengupta.
Proc. Amer. Math. Soc. 137 (2009), 3563-3567
Abstract, references and article information
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MathSciNet review: 2529861

Lower bounds for moments of automorphic $L$-functions over short intervals

Guanghua Ji.
Proc. Amer. Math. Soc. 137 (2009), 3569-3574
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MathSciNet review: 2529862

On the \lq\lq Galois closure\rq\rq for torsors

Marco A. Garuti.
Proc. Amer. Math. Soc. 137 (2009), 3575-3583
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MathSciNet review: 2529863

On the irreducible representations of a finite semigroup

Olexandr Ganyushkin, Volodymyr Mazorchuk and Benjamin Steinberg.
Proc. Amer. Math. Soc. 137 (2009), 3585-3592
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MathSciNet review: 2529864

On singularities of primitive cohomology classes

Mark Andrea A. de Cataldo and Luca Migliorini.
Proc. Amer. Math. Soc. 137 (2009), 3593-3600
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MathSciNet review: 2529865

A $2×2$ lattice space-time code of the highest rank

Shichun Yang, Bo He and Alain Togbé.
Proc. Amer. Math. Soc. 137 (2009), 3601-3607
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MathSciNet review: 2529866

Bosonic realization of toroidal Lie algebras of classical types

Naihuan Jing, Kailash C. Misra and Chongbin Xu.
Proc. Amer. Math. Soc. 137 (2009), 3609-3618
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MathSciNet review: 2529867

Geometric properties derived from generic initial spaces

Gunnar Fløystad and Mike Stillman.
Proc. Amer. Math. Soc. 137 (2009), 3619-3625
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MathSciNet review: 2529868

Lyubeznik resolutions and the arithmetical rank of monomial ideals

Kyouko Kimura.
Proc. Amer. Math. Soc. 137 (2009), 3627-3635
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MathSciNet review: 2529869

A stably elementary homotopy

Ravi A. Rao.
Proc. Amer. Math. Soc. 137 (2009), 3637-3645
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MathSciNet review: 2529870

Tropicalization and irreducibility of generalized Vandermonde determinants

Carlos D'Andrea and Luis Felipe Tabera.
Proc. Amer. Math. Soc. 137 (2009), 3647-3656
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MathSciNet review: 2529871

On endomorphism rings of $B_{1}$-groups that are not $B_{2}$-groups

Lutz Strüngmann.
Proc. Amer. Math. Soc. 137 (2009), 3657-3668
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MathSciNet review: 2529872

Toeplitz and Hankel operators and Dixmier traces on the unit ball of $\mathbb C^{n}$

Miroslav Englis, Kunyu Guo and Genkai Zhang.
Proc. Amer. Math. Soc. 137 (2009), 3669-3678
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MathSciNet review: 2529873

Towards the carpenter’s theorem

Martín Argerami and Pedro Massey.
Proc. Amer. Math. Soc. 137 (2009), 3679-3687
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MathSciNet review: 2529874

On the amenability of partial and enveloping actions

Fernando Abadie and Laura Martí Pérez.
Proc. Amer. Math. Soc. 137 (2009), 3689-3693
Abstract, references and article information
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MathSciNet review: 2529875

Symmetry of integral equations on bounded domains

Dongsheng Li, Gerhard Ströhmer and Lihe Wang.
Proc. Amer. Math. Soc. 137 (2009), 3695-3702
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MathSciNet review: 2529876

Harnack’s inequality for viscosity solutions to degenerate elliptic equations in two variables

G. Gripenberg.
Proc. Amer. Math. Soc. 137 (2009), 3703-3708
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MathSciNet review: 2529877

Bicommutants of reduced unbounded operator algebras

Fabio Bagarello, Atsushi Inoue and Camillo Trapani.
Proc. Amer. Math. Soc. 137 (2009), 3709-3716
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MathSciNet review: 2529878

A note on a result of M. Grossi

Florin Catrina.
Proc. Amer. Math. Soc. 137 (2009), 3717-3724
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MathSciNet review: 2529879

A residual radial limit zero set

Michael C. Fulkerson.
Proc. Amer. Math. Soc. 137 (2009), 3725-3731
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MathSciNet review: 2529880

Geometric rigidity for class $\mathcal{S}$ of transcendental meromorphic functions whose Julia sets are Jordan curves

Mariusz Urbanski.
Proc. Amer. Math. Soc. 137 (2009), 3733-3739
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MathSciNet review: 2529881

An operator algebraic proof of Agler’s factorization theorem

Sneh Lata, Meghna Mittal and Vern I. Paulsen.
Proc. Amer. Math. Soc. 137 (2009), 3741-3748
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MathSciNet review: 2529882

Free Araki-Woods factors and Connes’ bicentralizer problem

Cyril Houdayer.
Proc. Amer. Math. Soc. 137 (2009), 3749-3755
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MathSciNet review: 2529883

Substrictly cyclic operators

Ben Mathes.
Proc. Amer. Math. Soc. 137 (2009), 3757-3762
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MathSciNet review: 2529884

A Katznelson-Tzafriri type theorem in Hilbert spaces

Zoltán Léka.
Proc. Amer. Math. Soc. 137 (2009), 3763-3768
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MathSciNet review: 2529885

The uniform separation property and Banach-Stone theorems for lattice-valued Lipschitz functions

A. Jiménez-Vargas, A. Morales Campoy and Moisés Villegas-Vallecillos.
Proc. Amer. Math. Soc. 137 (2009), 3769-3777
Abstract, references and article information
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MathSciNet review: 2529886

An index theorem for Toeplitz operators on the quarter-plane

Adel B. Badi.
Proc. Amer. Math. Soc. 137 (2009), 3779-3786
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MathSciNet review: 2529887

Common hypercyclic functions for multiples of convolution and non-convolution operators

Luis Bernal-González.
Proc. Amer. Math. Soc. 137 (2009), 3787-3795
Abstract, references and article information
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MathSciNet review: 2529888

Non-real eigenvalues of singular indefinite Sturm-Liouville operators

Jussi Behrndt, Qutaibeh Katatbeh and Carsten Trunk.
Proc. Amer. Math. Soc. 137 (2009), 3797-3806
Abstract, references and article information
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MathSciNet review: 2529889

On the weaker forms of the specification property and their applications

Kenichiro Yamamoto.
Proc. Amer. Math. Soc. 137 (2009), 3807-3814
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MathSciNet review: 2529890

Generalized dimension distortion under planar Sobolev homeomorphisms

Pekka Koskela, Aleksandra Zapadinskaya and Thomas Zürcher.
Proc. Amer. Math. Soc. 137 (2009), 3815-3821
Abstract, references and article information
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MathSciNet review: 2529891

Reiter nets for semidirect products of amenable groups and semigroups

Benjamin Willson.
Proc. Amer. Math. Soc. 137 (2009), 3823-3832
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MathSciNet review: 2529892

Hypercyclic $C_{0}$-semigroups and evolution families generated by first order differential operators

T. Kalmes.
Proc. Amer. Math. Soc. 137 (2009), 3833-3848
Abstract, references and article information
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MathSciNet review: 2529893

Thompson isometries of the space of invertible positive operators

Lajos Molnár.
Proc. Amer. Math. Soc. 137 (2009), 3849-3859
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MathSciNet review: 2529894

Compact composition operators on BMOA and the Bloch space

Hasi Wulan, Dechao Zheng and Kehe Zhu.
Proc. Amer. Math. Soc. 137 (2009), 3861-3868
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MathSciNet review: 2529895

Estimates for unimodular Fourier multipliers on modulation spaces

Akihiko Miyachi, Fabio Nicola, Silvia Rivetti, Anita Tabacco and Naohito Tomita.
Proc. Amer. Math. Soc. 137 (2009), 3869-3883
Abstract, references and article information
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MathSciNet review: 2529896

Rational approximation schemes for solutions of the first and second order Cauchy problem

Patricio Jara.
Proc. Amer. Math. Soc. 137 (2009), 3885-3898
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MathSciNet review: 2529897

Verification of polytopes by brightness functions

Rolf Schneider.
Proc. Amer. Math. Soc. 137 (2009), 3899-3903
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MathSciNet review: 2529898

Complete real hypersurfaces in compact rank one symmetric spaces

Tatsuyoshi Hamada and Katsuhiro Shiohama.
Proc. Amer. Math. Soc. 137 (2009), 3905-3910
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MathSciNet review: 2529899

On genericity and weight in the free group

Anand Pillay.
Proc. Amer. Math. Soc. 137 (2009), 3911-3917
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MathSciNet review: 2529900

Betti numbers and injectivity radii

Marc Culler and Peter B. Shalen.
Proc. Amer. Math. Soc. 137 (2009), 3919-3922
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MathSciNet review: 2529901

Vanishing of extensions of twisted Verma modules

Noriyuki Abe.
Proc. Amer. Math. Soc. 137 (2009), 3923-3926
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MathSciNet review: 2529902

A fundamental dichotomy for Julia sets of a family of elliptic functions

L. Koss.
Proc. Amer. Math. Soc. 137 (2009), 3927-3938
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MathSciNet review: 2529903

A parametrized fixed point theorem

Vesta Coufal.
Proc. Amer. Math. Soc. 137 (2009), 3939-3942
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MathSciNet review: 2529904

Constructing non-congruence subgroups of flexible hyperbolic 3-manifold groups

D. Cooper, D. D. Long and M. Thistlethwaite.
Proc. Amer. Math. Soc. 137 (2009), 3943-3949
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MathSciNet review: 2529905

Corrigendum to: “Focal loci of families and the genus of curves on surfaces”

Luca Chiantini and Angelo Felice Lopez.
Proc. Amer. Math. Soc. 137 (2009), 3951-3951
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MathSciNet review: 2529906