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)

The 2024 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Contents of Volume 91, Number 2
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Large highly powerful numbers are cubeful
C. B. Lacampagne and J. L. Selfridge
Proc. Amer. Math. Soc. 91 (1984), 173-181
DOI: https://doi.org/10.1090/S0002-9939-1984-0740165-6
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Some intersection properties of the fibres of Springer’s resolution
James S. Wolper
Proc. Amer. Math. Soc. 91 (1984), 182-188
DOI: https://doi.org/10.1090/S0002-9939-1984-0740166-8
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On free subsemigroups of skew fields
L. Makar-Limanov
Proc. Amer. Math. Soc. 91 (1984), 189-191
DOI: https://doi.org/10.1090/S0002-9939-1984-0740167-X
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Generalizations of Taketa’s theorem on the solvability of $M$-groups
I. M. Isaacs
Proc. Amer. Math. Soc. 91 (1984), 192-194
DOI: https://doi.org/10.1090/S0002-9939-1984-0740168-1
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Separable abelian groups as modules over their endomorphism rings
K. M. Rangaswamy
Proc. Amer. Math. Soc. 91 (1984), 195-198
DOI: https://doi.org/10.1090/S0002-9939-1984-0740169-3
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The number of nonisomorphic Boolean subalgebras of a power set
Francisco J. Freniche
Proc. Amer. Math. Soc. 91 (1984), 199-201
DOI: https://doi.org/10.1090/S0002-9939-1984-0740170-X
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Fréchet differentiation of convex functions in a Banach space with a separable dual
D. Preiss and L. Zajíček
Proc. Amer. Math. Soc. 91 (1984), 202-204
DOI: https://doi.org/10.1090/S0002-9939-1984-0740171-1
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A Fatou theorem for solutions of the porous medium equation
Björn E. J. Dahlberg, Eugene B. Fabes and Carlos E. Kenig
Proc. Amer. Math. Soc. 91 (1984), 205-212
DOI: https://doi.org/10.1090/S0002-9939-1984-0740172-3
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Weighted norm inequalities for the Hardy-Littlewood maximal operator on spaces of homogeneous type
Hugo Aimar and Roberto A. Macías
Proc. Amer. Math. Soc. 91 (1984), 213-216
DOI: https://doi.org/10.1090/S0002-9939-1984-0740173-5
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On boundedness of composition operators on $H^{2}(B_{2})$
Joseph A. Cima, Charles S. Stanton and Warren R. Wogen
Proc. Amer. Math. Soc. 91 (1984), 217-222
DOI: https://doi.org/10.1090/S0002-9939-1984-0740174-7
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The Carathéodory distance does not define the topology
Jean-Pierre Vigué
Proc. Amer. Math. Soc. 91 (1984), 223-224
DOI: https://doi.org/10.1090/S0002-9939-1984-0740175-9
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Equivariant triviality theorems for Hilbert $C^{\ast }$-modules
J. A. Mingo and W. J. Phillips
Proc. Amer. Math. Soc. 91 (1984), 225-230
DOI: https://doi.org/10.1090/S0002-9939-1984-0740176-0
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A property of compact operators
Herbert Kamowitz
Proc. Amer. Math. Soc. 91 (1984), 231-236
DOI: https://doi.org/10.1090/S0002-9939-1984-0740177-2
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Fine and nontangential convergence on an NTA domain
J. C. Taylor
Proc. Amer. Math. Soc. 91 (1984), 237-244
DOI: https://doi.org/10.1090/S0002-9939-1984-0740178-4
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Newton’s method and symbolic dynamics
Sherman Wong
Proc. Amer. Math. Soc. 91 (1984), 245-253
DOI: https://doi.org/10.1090/S0002-9939-1984-0740179-6
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Dunford-Pettis operators and weak Radon-Nikodým sets
Lawrence H. Riddle
Proc. Amer. Math. Soc. 91 (1984), 254-256
DOI: https://doi.org/10.1090/S0002-9939-1984-0740180-2
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Image areas and $H_{2}$ norms of analytic functions
Shōji Kobayashi
Proc. Amer. Math. Soc. 91 (1984), 257-261
DOI: https://doi.org/10.1090/S0002-9939-1984-0740181-4
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Ornstein’s $L \textrm {log}^{+}L$ theorem
Roger L. Jones
Proc. Amer. Math. Soc. 91 (1984), 262-264
DOI: https://doi.org/10.1090/S0002-9939-1984-0740182-6
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Points extrémaux dans le dual de $L^{1}(\mu , E)$
Michel Talagrand
Proc. Amer. Math. Soc. 91 (1984), 265-269
DOI: https://doi.org/10.1090/S0002-9939-1984-0740183-8
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On means with countably additive continuities
Lester E. Dubins and David Heath
Proc. Amer. Math. Soc. 91 (1984), 270-274
DOI: https://doi.org/10.1090/S0002-9939-1984-0740184-X
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A boundary value problem for symmetric elliptic systems of first order semilinear partial differential equations in open sets of class $C^{1}$
R. Selvaggi and I. Sisto
Proc. Amer. Math. Soc. 91 (1984), 275-280
DOI: https://doi.org/10.1090/S0002-9939-1984-0740185-1
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An integral mean estimate for polynomials
M. A. Malik
Proc. Amer. Math. Soc. 91 (1984), 281-284
DOI: https://doi.org/10.1090/S0002-9939-1984-0740186-3
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A fundamental inequality in the convolution of $L_{2}$ functions on the half line
Saburou Saitoh
Proc. Amer. Math. Soc. 91 (1984), 285-286
DOI: https://doi.org/10.1090/S0002-9939-1984-0740187-5
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Naturally reductive metrics of nonpositive Ricci curvature
Carolyn Gordon and Wolfgang Ziller
Proc. Amer. Math. Soc. 91 (1984), 287-290
DOI: https://doi.org/10.1090/S0002-9939-1984-0740188-7
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A uniformly, extremely nonextensional formula of arithmetic with many undecidable fixed points in many theories
Robert A. Di Paola
Proc. Amer. Math. Soc. 91 (1984), 291-297
DOI: https://doi.org/10.1090/S0002-9939-1984-0740189-9
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Densities and differentiability properties of Gauss semigroups on a Lie group
Eberhard Siebert
Proc. Amer. Math. Soc. 91 (1984), 298-305
DOI: https://doi.org/10.1090/S0002-9939-1984-0740190-5
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The Helson-Sarason-Szegő theorem and the Abel summability of the series for the predictor
Mohsen Pourahmadi
Proc. Amer. Math. Soc. 91 (1984), 306-308
DOI: https://doi.org/10.1090/S0002-9939-1984-0740191-7
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The Evens-Kahn formula for the total Stiefel-Whitney class
Andrzej Kozlowski
Proc. Amer. Math. Soc. 91 (1984), 309-313
DOI: https://doi.org/10.1090/S0002-9939-1984-0740192-9
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$3$-manifolds which contain nonparallel projective planes
Tsuyoshi Kobayashi
Proc. Amer. Math. Soc. 91 (1984), 314-318
DOI: https://doi.org/10.1090/S0002-9939-1984-0740193-0
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A nonlocally connected continuum $X$ such that $C(X)$ is a retract of $2^{X}$
Jack T. Goodykoontz
Proc. Amer. Math. Soc. 91 (1984), 319-322
DOI: https://doi.org/10.1090/S0002-9939-1984-0740194-2
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Surgery up to homotopy equivalence for nonpositively curved manifolds
A. Nicas and C. Stark
Proc. Amer. Math. Soc. 91 (1984), 323-325
DOI: https://doi.org/10.1090/S0002-9939-1984-0740195-4
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On the differentiability of functions in $\textbf {R}^{n}$
R. A. DeVore and R. C. Sharpley
Proc. Amer. Math. Soc. 91 (1984), 326-328
DOI: https://doi.org/10.1090/S0002-9939-1984-0740196-6
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Erratum: “Measure-theoretic quantifiers and Haar measure” [Proc. Amer. Math. Soc. 86 (1982) no. 1, 67–70; MR0663868 (83i:43001)]
Russell Lyons
Proc. Amer. Math. Soc. 91 (1984), 329-330
DOI: https://doi.org/10.1090/S0002-9939-1984-0740197-8
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