Contents of Volume 139, Number 9

All articles in this issue are freely accessible.

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Nonunique factorization and principalization in number fields

Kimball Martin.
Proc. Amer. Math. Soc. 139 (2011), 3025-3038
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Monomials as sums of powers: The real binary case

Mats Boij, Enrico Carlini and Anthony V. Geramita.
Proc. Amer. Math. Soc. 139 (2011), 3039-3043
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Volumes of Picard modular surfaces

Matthew Stover.
Proc. Amer. Math. Soc. 139 (2011), 3045-3056
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Higher Cohen-Macaulay property of squarefree modules and simplicial posets

Kohji Yanagawa.
Proc. Amer. Math. Soc. 139 (2011), 3057-3066
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Pillars and towers of quadratic transformations

Shreeram S. Abhyankar.
Proc. Amer. Math. Soc. 139 (2011), 3067-3082
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More about dicriticals

Shreeram S. Abhyankar.
Proc. Amer. Math. Soc. 139 (2011), 3083-3097
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Centrality of the congruence kernel for elementary subgroups of Chevalley groups of rank $> 1$ over noetherian rings

Andrei S. Rapinchuk and Igor A. Rapinchuk.
Proc. Amer. Math. Soc. 139 (2011), 3099-3113
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Hasse-Weil zeta function of absolutely irreducible $\mathrm {SL}_2$-representations of the figure $8$ knot group

Shinya Harada.
Proc. Amer. Math. Soc. 139 (2011), 3115-3125
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The incidence correspondence and its associated maps in homotopy

Luis E. Lopez.
Proc. Amer. Math. Soc. 139 (2011), 3127-3133
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MathSciNet review: 2811267

Good quotients of Mori dream spaces

Hendrik Bäker.
Proc. Amer. Math. Soc. 139 (2011), 3135-3139
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New proofs for the Abhyankar-Gurjar inversion formula and the equivalence of the Jacobian conjecture and the vanishing conjecture

Wenhua Zhao.
Proc. Amer. Math. Soc. 139 (2011), 3141-3154
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Stability of syzygy bundles

Pedro Macias Marques and Rosa María Miró-Roig.
Proc. Amer. Math. Soc. 139 (2011), 3155-3170
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Large character degrees of solvable $3’$-groups

Yong Yang.
Proc. Amer. Math. Soc. 139 (2011), 3171-3173
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Restriction of hypergeometric $\mathscr {D}$-modules with respect to coordinate subspaces

María-Cruz Fernández-Fernández and Uli Walther.
Proc. Amer. Math. Soc. 139 (2011), 3175-3180
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Geometry of the Siegel modular threefold with paramodular level structure

Chia-Fu Yu.
Proc. Amer. Math. Soc. 139 (2011), 3181-3190
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Faithful representations of association schemes

Akihide Hanaki.
Proc. Amer. Math. Soc. 139 (2011), 3191-3193
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Sums with convolutions of Dirichlet characters to cube-free modulus

Ahmet Muhtar Güloğlu.
Proc. Amer. Math. Soc. 139 (2011), 3195-3202
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Countable random $p$-groups with prescribed Ulm-invariants

Manfred Droste and Rüdiger Göbel.
Proc. Amer. Math. Soc. 139 (2011), 3203-3216
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Separable subgroups have bounded packing

Wen-yuan Yang.
Proc. Amer. Math. Soc. 139 (2011), 3217-3218
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Order reduction method for linear difference equations

R. Korhonen and O. Ronkainen.
Proc. Amer. Math. Soc. 139 (2011), 3219-3229
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Area extremal problems for non-vanishing functions

T. Sheil-Small.
Proc. Amer. Math. Soc. 139 (2011), 3231-3245
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Orthonormal dilations of non-tight frames

Marcin Bownik, John Jasper and Darrin Speegle.
Proc. Amer. Math. Soc. 139 (2011), 3247-3256
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Global existence of solutions to a coupled parabolic-hyperbolic system with moving boundary

Y. S. Choi and Craig Miller.
Proc. Amer. Math. Soc. 139 (2011), 3257-3270
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Simultaneous metrizability of coarse spaces

Nick Wright.
Proc. Amer. Math. Soc. 139 (2011), 3271-3278
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Time-frequency concentration of generating systems

Philippe Jaming and Alexander M. Powell.
Proc. Amer. Math. Soc. 139 (2011), 3279-3290
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Affine fractals as boundaries and their harmonic analysis

Dorin Ervin Dutkay and Palle E. T. Jorgensen.
Proc. Amer. Math. Soc. 139 (2011), 3291-3305
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Kolmogorov complexity and strong approximation of Brownian motion

Bjørn Kjos-Hanssen and Tamás Szabados.
Proc. Amer. Math. Soc. 139 (2011), 3307-3316
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MathSciNet review: 2811285

Commuting isometries of the complex hyperbolic space

Wensheng Cao and Krishnendu Gongopadhyay.
Proc. Amer. Math. Soc. 139 (2011), 3317-3326
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On the linear stability of Kähler-Ricci solitons

Stuart J. Hall and Thomas Murphy.
Proc. Amer. Math. Soc. 139 (2011), 3327-3337
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Martin’s maximum and weak square

James Cummings and Menachem Magidor.
Proc. Amer. Math. Soc. 139 (2011), 3339-3348
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Dependence and isolated extensions

Vincent Guingona.
Proc. Amer. Math. Soc. 139 (2011), 3349-3357
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Brownian motion with variable drift can be space filling

Tonći Antunović, Yuval Peres and Brigitta Vermesi.
Proc. Amer. Math. Soc. 139 (2011), 3359-3373
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Bounding the support of a measure from its marginal moments

Jean B. Lasserre.
Proc. Amer. Math. Soc. 139 (2011), 3375-3382
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Mixing categories

John Oprea and Jeff Strom.
Proc. Amer. Math. Soc. 139 (2011), 3383-3392
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