Contents of Volume 138, Number 9

All articles in this issue are freely accessible.

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On the periodicity of some Farhi arithmetical functions

Qing-Zhong Ji and Chun-Gang Ji.
Proc. Amer. Math. Soc. 138 (2010), 3025-3035
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Hopf formulas for equivariant integral homology of groups

Hvedri Inassaridze and Emzar Khmaladze.
Proc. Amer. Math. Soc. 138 (2010), 3037-3046
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A conjecture of Evans on sums of Kloosterman sums

Evan P. Dummit, Adam W. Goldberg and Alexander R. Perry.
Proc. Amer. Math. Soc. 138 (2010), 3047-3056
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Lamplighter graphs do not admit harmonic functions of finite energy

Agelos Georgakopoulos.
Proc. Amer. Math. Soc. 138 (2010), 3057-3061
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The complete generating function for Gessel walks is algebraic

Alin Bostan and Manuel Kauers; \\with an appendix by Mark van Hoeij.
Proc. Amer. Math. Soc. 138 (2010), 3063-3078
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Quasigroup automorphisms and the Norton-Stein complex

Brent L. Kerby and Jonathan D. H. Smith.
Proc. Amer. Math. Soc. 138 (2010), 3079-3088
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Relèvement de formes modulaires de Siegel

Benoît Stroh.
Proc. Amer. Math. Soc. 138 (2010), 3089-3094
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On unramified Galois $2$-groups over $\mathbb Z_2$-extensions of real quadratic fields

Yasushi Mizusawa.
Proc. Amer. Math. Soc. 138 (2010), 3095-3103
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Affine varieties with stably trivial algebraic vector bundles

Zbigniew Jelonek.
Proc. Amer. Math. Soc. 138 (2010), 3105-3109
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Arithmetical rank of toric ideals associated to graphs

Anargyros Katsabekis.
Proc. Amer. Math. Soc. 138 (2010), 3111-3123
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Symmetric Utumi quotient rings of Ore extensions by skew derivations

Chen-Lian Chuang and Yuan-Tsung Tsai.
Proc. Amer. Math. Soc. 138 (2010), 3125-3133
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On the universal enveloping algebra of a Lie algebroid

I. Moerdijk and J. Mrčun.
Proc. Amer. Math. Soc. 138 (2010), 3135-3145
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On the structure of the space of cusp forms for a semisimple group over a number field

Goran Muić.
Proc. Amer. Math. Soc. 138 (2010), 3147-3158
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Fiber products and class groups of hyperelliptic curves

Jeffrey D. Achter.
Proc. Amer. Math. Soc. 138 (2010), 3159-3161
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Stability of weighted point evaluation functionals

Jesús Araujo and Juan J. Font.
Proc. Amer. Math. Soc. 138 (2010), 3163-3170
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Sectional Lyapunov exponents

Alexander Arbieto.
Proc. Amer. Math. Soc. 138 (2010), 3171-3178
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A strong maximum principle for parabolic systems in a convex set with arbitrary boundary

Lawrence Christopher Evans.
Proc. Amer. Math. Soc. 138 (2010), 3179-3185
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Spectrum of the complex Laplacian on product domains

Debraj Chakrabarti.
Proc. Amer. Math. Soc. 138 (2010), 3187-3202
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Symmetry of bound and antibound states in the semiclassical limit for a general class of potentials

Semyon Dyatlov and Subhroshekhar Ghosh.
Proc. Amer. Math. Soc. 138 (2010), 3203-3210
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Periodic orbits of large diameter for circle maps

Lluís Alsedà and Sylvie Ruette.
Proc. Amer. Math. Soc. 138 (2010), 3211-3217
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Uniform global attractors for first order non-autonomous lattice dynamical systems

Ahmed Y. Abdallah.
Proc. Amer. Math. Soc. 138 (2010), 3219-3228
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Liouvillian first integrals for Liénard polynomial differential systems

J. Llibre and C. Valls.
Proc. Amer. Math. Soc. 138 (2010), 3229-3239
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Discrete function theory based on skew Weyl relations

Hilde De Ridder, Hennie De Schepper, Uwe Kähler and Frank Sommen.
Proc. Amer. Math. Soc. 138 (2010), 3241-3256
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A compact embedding of a Sobolev space is equivalent to an embedding into a better space

Piotr Hajłasz and Zhuomin Liu.
Proc. Amer. Math. Soc. 138 (2010), 3257-3266
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On the distribution and interlacing of the zeros of Stieltjes polynomials

A. Bourget and T. McMillen.
Proc. Amer. Math. Soc. 138 (2010), 3267-3275
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Generic properties of critical points of the scalar curvature for a Riemannian manifold

Anna Maria Micheletti and Angela Pistoia.
Proc. Amer. Math. Soc. 138 (2010), 3277-3284
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Non-representability of finite projective planes by convex sets

Martin Tancer.
Proc. Amer. Math. Soc. 138 (2010), 3285-3291
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A lower bound on the subriemannian distance for Hölder distributions

Slobodan N. Simić.
Proc. Amer. Math. Soc. 138 (2010), 3293-3299
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Stable hypersurfaces with constant scalar curvature

Hilário Alencar, Walcy Santos and Detang Zhou.
Proc. Amer. Math. Soc. 138 (2010), 3301-3312
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Point-cofinite covers in the Laver model

Arnold W. Miller and Boaz Tsaban.
Proc. Amer. Math. Soc. 138 (2010), 3313-3321
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Saturation of the weakly compact ideal

Alex Hellsten.
Proc. Amer. Math. Soc. 138 (2010), 3323-3334
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\null Max-Min characterization of the mountain pass energy level for a class of variational problems

Jacopo Bellazzini and Nicola Visciglia.
Proc. Amer. Math. Soc. 138 (2010), 3335-3343
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Non-commutative Reidemeister torsion and Morse-Novikov theory

Takahiro Kitayama.
Proc. Amer. Math. Soc. 138 (2010), 3345-3360
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The marked length spectrum of a projective manifold or orbifold

Daryl Cooper and Kelly Delp.
Proc. Amer. Math. Soc. 138 (2010), 3361-3376
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Embeddings of $k$-connected $n$-manifolds into $\mathbb {R}^{2n-k-1}$

A. Skopenkov.
Proc. Amer. Math. Soc. 138 (2010), 3377-3389
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Errata to “Vector measures and the strong operator topology”

Paul Lewis, Kimberly Muller and Andy Yingst.
Proc. Amer. Math. Soc. 138 (2010), 3391-3391
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