Proceedings of the American Mathematical Society

Contents of Volume 53, Number 1
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Factors and roots of the van der Pol polynomials

F. T. Howard

Proc. Amer. Math. Soc. 53 (1975), 1-8

DOI: https://doi.org/10.1090/S0002-9939-1975-0379347-9

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On a coradical of a finite-dimensional Hopf algebra

David E. Radford

Proc. Amer. Math. Soc. 53 (1975), 9-15

DOI: https://doi.org/10.1090/S0002-9939-1975-0396652-0

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Rings whose cyclic modules are injective or projective

S. C. Geol, S. K. Jain and Surjeet Singh

Proc. Amer. Math. Soc. 53 (1975), 16-18

DOI: https://doi.org/10.1090/S0002-9939-1975-0382349-X

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Power-associativity of antiflexible rings

Hasan A. Çelik and David L. Outcalt

Proc. Amer. Math. Soc. 53 (1975), 19-23

DOI: https://doi.org/10.1090/S0002-9939-1975-0396693-3

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On the number of generators of powers of an ideal

Judith D. Sally

Proc. Amer. Math. Soc. 53 (1975), 24-26

DOI: https://doi.org/10.1090/S0002-9939-1975-0392969-4

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Powers of a matrix with coefficients in a Boolean ring

Gert Almkvist

Proc. Amer. Math. Soc. 53 (1975), 27-31

DOI: https://doi.org/10.1090/S0002-9939-1975-0376713-2

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The intersection of the subgroups of finite index in some finitely presented groups

Ronald Hirshon

Proc. Amer. Math. Soc. 53 (1975), 32-36

DOI: https://doi.org/10.1090/S0002-9939-1975-0387417-4

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The Picard sequences of a fibration

Andy R. Magid

Proc. Amer. Math. Soc. 53 (1975), 37-40

DOI: https://doi.org/10.1090/S0002-9939-1975-0382275-6

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On the center of some finite linear groups

Harvey I. Blau

Proc. Amer. Math. Soc. 53 (1975), 41-44

DOI: https://doi.org/10.1090/S0002-9939-1975-0379643-5

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A note on the geometric criteria for the factoriality of an affine ring

James Hornell

Proc. Amer. Math. Soc. 53 (1975), 45-50

DOI: https://doi.org/10.1090/S0002-9939-1975-0376657-6

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Finite groups with semisimple endomorphism rings

Carter Lyons

Proc. Amer. Math. Soc. 53 (1975), 51-52

DOI: https://doi.org/10.1090/S0002-9939-1975-0382364-6

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Linear interpolating bases in $C[0, 1]$ are not Besselian

Ronn Carpenter

Proc. Amer. Math. Soc. 53 (1975), 53-56

DOI: https://doi.org/10.1090/S0002-9939-1975-0500101-9

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Characterizing $\textrm {hol}(\Omega )$

Ronn Carpenter

Proc. Amer. Math. Soc. 53 (1975), 57-59

DOI: https://doi.org/10.1090/S0002-9939-1975-0380424-7

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The derivative of a bounded holomorphic function in the disk

Shinji Yamashita

Proc. Amer. Math. Soc. 53 (1975), 60-64

DOI: https://doi.org/10.1090/S0002-9939-1975-0377061-7

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Remarks on differential inequalities in Banach spaces

Robert H. Martin

Proc. Amer. Math. Soc. 53 (1975), 65-71

DOI: https://doi.org/10.1090/S0002-9939-1975-0377220-3

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A Sturm-Liouville theorem for some odd multivalued maps

Jo ao-Paulo Dias and Jesús Hernández

Proc. Amer. Math. Soc. 53 (1975), 72-74

DOI: https://doi.org/10.1090/S0002-9939-1975-0377632-8

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A topological translation of a fundamental problem in cluster set theory

J. A. Eidswick

Proc. Amer. Math. Soc. 53 (1975), 75-79

DOI: https://doi.org/10.1090/S0002-9939-1975-0376983-0

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Remarks on dilations in $L_{p}$-spaces

M. A. Akcoglu and L. Sucheston

Proc. Amer. Math. Soc. 53 (1975), 80-82

DOI: https://doi.org/10.1090/S0002-9939-1975-0377558-X

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Flow-invariant domains of Hölder continuity for nonlinear semigroups

Andrew T. Plant

Proc. Amer. Math. Soc. 53 (1975), 83-87

DOI: https://doi.org/10.1090/S0002-9939-1975-0377611-0

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Equality of spectra of quasi-similar hyponormal operators

Stuart Clary

Proc. Amer. Math. Soc. 53 (1975), 88-90

DOI: https://doi.org/10.1090/S0002-9939-1975-0390824-7

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Uniqueness for nonlinear Cauchy problems in Banach spaces

Jerome A. Goldstein

Proc. Amer. Math. Soc. 53 (1975), 91-95

DOI: https://doi.org/10.1090/S0002-9939-1975-0377218-5

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Bounded multiplier convergence in measure of random vector series

C. Ryll-Nardzewski and W. A. Woyczyński

Proc. Amer. Math. Soc. 53 (1975), 96-98

DOI: https://doi.org/10.1090/S0002-9939-1975-0385960-5

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The double centralizer algebra as a linear space

Robert A. Fontenot

Proc. Amer. Math. Soc. 53 (1975), 99-103

DOI: https://doi.org/10.1090/S0002-9939-1975-0407613-7

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Operators quasisimilar to a normal operator

Constantin Apostol

Proc. Amer. Math. Soc. 53 (1975), 104-106

DOI: https://doi.org/10.1090/S0002-9939-1975-0402522-1

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The Mackey topology as a mixed topology

J. B. Cooper

Proc. Amer. Math. Soc. 53 (1975), 107-112

DOI: https://doi.org/10.1090/S0002-9939-1975-0383059-5

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A common fixed-point theorem for compact convex semigroups of nonexpansive mappings

Ronald E. Bruck

Proc. Amer. Math. Soc. 53 (1975), 113-116

DOI: https://doi.org/10.1090/S0002-9939-1975-0383164-3

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Subspace of $\textrm {LC}(H)$ and $C_{p}$

Yaakov Friedman

Proc. Amer. Math. Soc. 53 (1975), 117-122

DOI: https://doi.org/10.1090/S0002-9939-1975-0377592-X

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Birelations and Sidon sets

S. W. Drury

Proc. Amer. Math. Soc. 53 (1975), 123-128

DOI: https://doi.org/10.1090/S0002-9939-1975-0380275-3

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Approximation of functions by convexity preserving continuous linear operators

Jean Tzimbalario

Proc. Amer. Math. Soc. 53 (1975), 129-132

DOI: https://doi.org/10.1090/S0002-9939-1975-0382943-6

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On asymptotic behaviors of analytic mappings on the Martin boundary

Mikio Niimura

Proc. Amer. Math. Soc. 53 (1975), 133-136

DOI: https://doi.org/10.1090/S0002-9939-1975-0379847-1

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On perturbing bases of complex exponentials in $L^{2}$ $(-\pi , \pi )$

Robert M. Young

Proc. Amer. Math. Soc. 53 (1975), 137-140

DOI: https://doi.org/10.1090/S0002-9939-1975-0377075-7

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Complete domains with respect to the Carathéodory distance. II

Dong S. Kim

Proc. Amer. Math. Soc. 53 (1975), 141-142

DOI: https://doi.org/10.1090/S0002-9939-1975-0382731-0

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On an operator equation involving mappings of monotone type

Chaitan P. Gupta

Proc. Amer. Math. Soc. 53 (1975), 143-148

DOI: https://doi.org/10.1090/S0002-9939-1975-0377610-9

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A characterisation of Lipschitz classes on $0$-dimensional groups

Walter R. Bloom

Proc. Amer. Math. Soc. 53 (1975), 149-154

DOI: https://doi.org/10.1090/S0002-9939-1975-0383000-5

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Stability theory for Hill equations with generalized coefficient

H. Guggenheimer

Proc. Amer. Math. Soc. 53 (1975), 155-158

DOI: https://doi.org/10.1090/S0002-9939-1975-0407399-6

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On decomposability of compact perturbations of operators

M. Radjabalipour

Proc. Amer. Math. Soc. 53 (1975), 159-164

DOI: https://doi.org/10.1090/S0002-9939-1975-0407650-2

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A closed graph theorem

S. O. Iyahen

Proc. Amer. Math. Soc. 53 (1975), 165-166

DOI: https://doi.org/10.1090/S0002-9939-1975-0442631-4

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Integration is differentiable

Allan Gottlieb

Proc. Amer. Math. Soc. 53 (1975), 167-171

DOI: https://doi.org/10.1090/S0002-9939-1975-0385915-0

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Duality theorems and theorems of the alternative

L. McLinden

Proc. Amer. Math. Soc. 53 (1975), 172-175

DOI: https://doi.org/10.1090/S0002-9939-1975-0395848-1

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On compact Einstein-Kaehler manifolds

Bang-yen Chen and Koichi Ogiue

Proc. Amer. Math. Soc. 53 (1975), 176-178

DOI: https://doi.org/10.1090/S0002-9939-1975-0380689-1

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A note on a differential concomitant

P. R. Eiseman and A. P. Stone

Proc. Amer. Math. Soc. 53 (1975), 179-185

DOI: https://doi.org/10.1090/S0002-9939-1975-0383445-3

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A totally real surface in $CP^{2}$ that is not totally geodesic

Gerald D. Ludden, Masafumi Okumura and Kentaro Yano

Proc. Amer. Math. Soc. 53 (1975), 186-190

DOI: https://doi.org/10.1090/S0002-9939-1975-0380683-0

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On mixed volumes of nonconvex sets

Wolfgang Weil

Proc. Amer. Math. Soc. 53 (1975), 191-194

DOI: https://doi.org/10.1090/S0002-9939-1975-0383249-1

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Strongly homogeneous spaces

Carol Kitai

Proc. Amer. Math. Soc. 53 (1975), 195-201

DOI: https://doi.org/10.1090/S0002-9939-1975-0390994-0

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Two examples in proximity spaces

P. L. Sharma

Proc. Amer. Math. Soc. 53 (1975), 202-204

DOI: https://doi.org/10.1090/S0002-9939-1975-0380739-2

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A loop condition for embedded compacts

D. Coram, R. J. Daverman and P. F. Duvall

Proc. Amer. Math. Soc. 53 (1975), 205-212

DOI: https://doi.org/10.1090/S0002-9939-1975-0377902-3

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Evidence of a conspiracy among fixed point theorems

Ira Rosenholtz

Proc. Amer. Math. Soc. 53 (1975), 213-218

DOI: https://doi.org/10.1090/S0002-9939-1975-0400201-8

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Metric rigidity in $E^{n}$

Brian M. Scott and Ralph Jones

Proc. Amer. Math. Soc. 53 (1975), 219-222

DOI: https://doi.org/10.1090/S0002-9939-1975-0377824-8

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Common fixed points of commuting mappings

William J. Gray and Carol M. Smith

Proc. Amer. Math. Soc. 53 (1975), 223-226

DOI: https://doi.org/10.1090/S0002-9939-1975-0377843-1

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Torus-like products of $\lambda$ connected continua

Charles L. Hagopian

Proc. Amer. Math. Soc. 53 (1975), 227-230

DOI: https://doi.org/10.1090/S0002-9939-1975-0385818-1

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A fixed point theorem for hyperspaces of $\lambda$ connected continua

Charles L. Hagopian

Proc. Amer. Math. Soc. 53 (1975), 231-234

DOI: https://doi.org/10.1090/S0002-9939-1975-0377828-5

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An alternate characterization of the Cantor set

Alan H. Schoenfeld and Gary Gruenhage

Proc. Amer. Math. Soc. 53 (1975), 235-236

DOI: https://doi.org/10.1090/S0002-9939-1975-0377836-4

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Compatible group topologies

Kevin J. Sharpe

Proc. Amer. Math. Soc. 53 (1975), 237-239

DOI: https://doi.org/10.1090/S0002-9939-1975-0396830-0

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Identities in combinatorics. II. A $q$-analog of the Lagrange inversion theorem

George E. Andrews

Proc. Amer. Math. Soc. 53 (1975), 240-245

DOI: https://doi.org/10.1090/S0002-9939-1975-0389610-3

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Branchings and partitions

L. Carlitz and Richard P. Stanley

Proc. Amer. Math. Soc. 53 (1975), 246-249

DOI: https://doi.org/10.1090/S0002-9939-1975-0382025-3

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The Rudin-Carleson theorem for vector-valued functions

J. Globevnik

Proc. Amer. Math. Soc. 53 (1975), 250-252

DOI: https://doi.org/10.1090/S0002-9939-1975-0383083-2

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