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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 113, Number 1
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A note on graded algebras
Edmund R. Puczyłowski
Proc. Amer. Math. Soc. 113 (1991), 1-3
DOI: https://doi.org/10.1090/S0002-9939-1991-0991706-9
The loxodromic term of the Selberg trace formula for $\textrm {SL}(3,\textbf {Z})\backslash \textrm {SL}(3,\textbf {R})/\textrm {SO}(3,\textbf {R})$
D. I. Wallace
Proc. Amer. Math. Soc. 113 (1991), 5-9
DOI: https://doi.org/10.1090/S0002-9939-1991-1087473-3
The super GAGA principle and families of super Riemann surfaces
Pankaj Topiwala and Jeffrey M. Rabin
Proc. Amer. Math. Soc. 113 (1991), 11-20
DOI: https://doi.org/10.1090/S0002-9939-1991-1057963-8
Split braids
Stephen P. Humphries
Proc. Amer. Math. Soc. 113 (1991), 21-26
DOI: https://doi.org/10.1090/S0002-9939-1991-1072340-1
The complexity of a module and elementary abelian subgroups: a geometric approach
Peter Symonds
Proc. Amer. Math. Soc. 113 (1991), 27-29
DOI: https://doi.org/10.1090/S0002-9939-1991-1062838-4
A note on inner actions of Hopf algebras
Stefaan Caenepeel
Proc. Amer. Math. Soc. 113 (1991), 31-39
DOI: https://doi.org/10.1090/S0002-9939-1991-1069684-6
Distributive lattices having $n$-permutable congruences
M. E. Adams and R. Beazer
Proc. Amer. Math. Soc. 113 (1991), 41-45
DOI: https://doi.org/10.1090/S0002-9939-1991-1057741-X
Algebraic curves in $\textbf {R}\textrm {P}(1)\times \textbf {R}\textrm {P}(1)$
Patrick Gilmer
Proc. Amer. Math. Soc. 113 (1991), 47-52
DOI: https://doi.org/10.1090/S0002-9939-1991-1062388-5
On the integrability and $L^ 1$-convergence of complex trigonometric series
Ferenc Móricz
Proc. Amer. Math. Soc. 113 (1991), 53-64
DOI: https://doi.org/10.1090/S0002-9939-1991-1072345-0
A few remarks on Riesz summability of orthogonal series
PawełJ. Szabłowski
Proc. Amer. Math. Soc. 113 (1991), 65-75
DOI: https://doi.org/10.1090/S0002-9939-1991-1072349-8
Polynomials with nonnegative coefficients
R. W. Barnard, W. Dayawansa, K. Pearce and D. Weinberg
Proc. Amer. Math. Soc. 113 (1991), 77-85
DOI: https://doi.org/10.1090/S0002-9939-1991-1072329-2
On the weighted estimate of the solution associated with the Schrödinger equation
Si Lei Wang
Proc. Amer. Math. Soc. 113 (1991), 87-92
DOI: https://doi.org/10.1090/S0002-9939-1991-1069695-0
Factorization of quasi-differential operators
W. N. Everitt, James S. Muldowney and Neeza Thandi
Proc. Amer. Math. Soc. 113 (1991), 93-98
DOI: https://doi.org/10.1090/S0002-9939-1991-1045592-1
Estimates for the maximal operator of the Ornstein-Uhlenbeck semigroup
Cristian E. Gutiérrez and Wilfredo O. Urbina
Proc. Amer. Math. Soc. 113 (1991), 99-104
DOI: https://doi.org/10.1090/S0002-9939-1991-1068123-9
On weak reverse integral inequalities for mean oscillations
Michelangelo Franciosi
Proc. Amer. Math. Soc. 113 (1991), 105-112
DOI: https://doi.org/10.1090/S0002-9939-1991-1068122-7
Nonintegrability of superharmonic functions
Noriaki Suzuki
Proc. Amer. Math. Soc. 113 (1991), 113-115
DOI: https://doi.org/10.1090/S0002-9939-1991-1054163-2
Some remarks about Rosen’s functions
Zbigniew Grande
Proc. Amer. Math. Soc. 113 (1991), 117-122
DOI: https://doi.org/10.1090/S0002-9939-1991-1052574-2
Oscillations in neutral equations with periodic coefficients
G. Ladas, Ch. G. Philos and Y. G. Sficas
Proc. Amer. Math. Soc. 113 (1991), 123-134
DOI: https://doi.org/10.1090/S0002-9939-1991-1045596-9
Weighted norm inequalities for operators of Hardy type
Steven Bloom and Ron Kerman
Proc. Amer. Math. Soc. 113 (1991), 135-141
DOI: https://doi.org/10.1090/S0002-9939-1991-1059623-6
Weak compactness in $L^ 1(\mu ,X)$
A. Ülger
Proc. Amer. Math. Soc. 113 (1991), 143-149
DOI: https://doi.org/10.1090/S0002-9939-1991-1070533-0
A Fréchet-Schwartz space with basis having a complemented subspace without basis
Jari Taskinen
Proc. Amer. Math. Soc. 113 (1991), 151-155
DOI: https://doi.org/10.1090/S0002-9939-1991-1049851-8
A trace formula for two unitary operators with rank one commutator
Khristo N. Boyadzhiev
Proc. Amer. Math. Soc. 113 (1991), 157-162
DOI: https://doi.org/10.1090/S0002-9939-1991-1057950-X
A multivariate generalization of a theorem of R. H. Farrell
D. Plachky
Proc. Amer. Math. Soc. 113 (1991), 163-165
DOI: https://doi.org/10.1090/S0002-9939-1991-1052873-4
A characterization of spectral operators
Mehdi Radjabalipour
Proc. Amer. Math. Soc. 113 (1991), 167-170
DOI: https://doi.org/10.1090/S0002-9939-1991-1045148-0
Complete metrics with nonpositive curvature on the disk
Duong Minh Duc
Proc. Amer. Math. Soc. 113 (1991), 171-176
DOI: https://doi.org/10.1090/S0002-9939-1991-1059624-8
Hermitian surfaces and a twistor space of algebraic dimension $2$
Massimiliano Pontecorvo
Proc. Amer. Math. Soc. 113 (1991), 177-186
DOI: https://doi.org/10.1090/S0002-9939-1991-1074754-2
The index of normal Fredholm elements of $C^ *$-algebras
J. A. Mingo and J. S. Spielberg
Proc. Amer. Math. Soc. 113 (1991), 187-192
DOI: https://doi.org/10.1090/S0002-9939-1991-1045144-3
A full description of extreme points in $C(\Omega ,L^ \phi (\mu ))$
Marek Wisła
Proc. Amer. Math. Soc. 113 (1991), 193-200
DOI: https://doi.org/10.1090/S0002-9939-1991-1072351-6
Geodesics in Euclidean space with analytic obstacle
Felix Albrecht and I. D. Berg
Proc. Amer. Math. Soc. 113 (1991), 201-207
DOI: https://doi.org/10.1090/S0002-9939-1991-1077783-8
The Euclidean factor of a Hadamard manifold
Toshiaki Adachi and Fumiko Ohtsuka
Proc. Amer. Math. Soc. 113 (1991), 209-212
DOI: https://doi.org/10.1090/S0002-9939-1991-1074746-3
On the commutativity of ultraproducts with direct products
Michel Hébert
Proc. Amer. Math. Soc. 113 (1991), 213-216
DOI: https://doi.org/10.1090/S0002-9939-1991-1086582-2
$2^ {2^ \omega }$ nonisomorphic short ordered commutative domains whose quotient fields are long
Krzysztof Ciesielski
Proc. Amer. Math. Soc. 113 (1991), 217-227
DOI: https://doi.org/10.1090/S0002-9939-1991-1079888-4
Geodesics and bounded harmonic functions on infinite planar graphs
S. Northshield
Proc. Amer. Math. Soc. 113 (1991), 229-233
DOI: https://doi.org/10.1090/S0002-9939-1991-1076576-5
When are touchpoints limits for generalized Pólya urns?
Robin Pemantle
Proc. Amer. Math. Soc. 113 (1991), 235-243
DOI: https://doi.org/10.1090/S0002-9939-1991-1055778-8
Finite cyclic subgroups determine the spectrum of the equivariant $K$-theory
Agnieszka Bojanowska
Proc. Amer. Math. Soc. 113 (1991), 245-249
DOI: https://doi.org/10.1090/S0002-9939-1991-1064899-5
Linking and the shadowing property for piecewise monotone maps
Liang Chen
Proc. Amer. Math. Soc. 113 (1991), 251-263
DOI: https://doi.org/10.1090/S0002-9939-1991-1079695-2
A nonexistence result for Moore $G$-spectra
S. R. Costenoble and S. Waner
Proc. Amer. Math. Soc. 113 (1991), 265-274
DOI: https://doi.org/10.1090/S0002-9939-1991-1041013-3
The cosmic Hausdorff topology, the bounded Hausdorff topology and continuity of polarity
Jean-Paul Penot
Proc. Amer. Math. Soc. 113 (1991), 275-285
DOI: https://doi.org/10.1090/S0002-9939-1991-1068129-X
Properties of locally H-closed spaces
Mike Girou
Proc. Amer. Math. Soc. 113 (1991), 287-295
DOI: https://doi.org/10.1090/S0002-9939-1991-1047001-5
Nonexistence of almost complex structures on Grassmann manifolds
Parameswaran Sankaran
Proc. Amer. Math. Soc. 113 (1991), 297-302
DOI: https://doi.org/10.1090/S0002-9939-1991-1043420-1