Proceedings of the American Mathematical Society

Contents of Volume 104, Number 3
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Finite coverings by normal subgroups

M. A. Brodie, R. F. Chamberlain and L.-C. Kappe

Proc. Amer. Math. Soc. 104 (1988), 669-674

DOI: https://doi.org/10.1090/S0002-9939-1988-0964841-9

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Applications of a new $K$-theoretic theorem to soluble group rings

P. H. Kropholler, P. A. Linnell and J. A. Moody

Proc. Amer. Math. Soc. 104 (1988), 675-684

DOI: https://doi.org/10.1090/S0002-9939-1988-0964842-0

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Pseudoprime $l$-ideals in a class of $f$-rings

Suzanne Larson

Proc. Amer. Math. Soc. 104 (1988), 685-692

DOI: https://doi.org/10.1090/S0002-9939-1988-0964843-2

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Structure of generalized local rigid motion groups

J. Pantoja and J. Soto-Andrade

Proc. Amer. Math. Soc. 104 (1988), 693-696

DOI: https://doi.org/10.1090/S0002-9939-1988-0964844-4

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Metacyclic $p$-algebras

Ming Chang Kang

Proc. Amer. Math. Soc. 104 (1988), 697-698

DOI: https://doi.org/10.1090/S0002-9939-1988-0933515-2

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A remark on kernels of reduction

Robert F. Coleman

Proc. Amer. Math. Soc. 104 (1988), 699-701

DOI: https://doi.org/10.1090/S0002-9939-1988-0964845-6

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The free metabelian group of rank two contains continuously many nonisomorphic subgroups

G. Baumslag, U. Stammbach and R. Strebel

Proc. Amer. Math. Soc. 104 (1988), 702

DOI: https://doi.org/10.1090/S0002-9939-1988-0941322-X

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A converse to a residual finiteness theorem of G. Baumslag

M. Shirvani

Proc. Amer. Math. Soc. 104 (1988), 703-706

DOI: https://doi.org/10.1090/S0002-9939-1988-0935110-8

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Some consequences of the standard polynomial

Qing Chang

Proc. Amer. Math. Soc. 104 (1988), 707-710

DOI: https://doi.org/10.1090/S0002-9939-1988-0964846-8

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A characterization of complete intersection curves in $\textbf {P}^ 3$

Rosario Strano

Proc. Amer. Math. Soc. 104 (1988), 711-715

DOI: https://doi.org/10.1090/S0002-9939-1988-0964847-X

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Invariants of finite abelian groups acting on the algebra of two $2\times 2$ generic matrices

Chan Huh

Proc. Amer. Math. Soc. 104 (1988), 716-722

DOI: https://doi.org/10.1090/S0002-9939-1988-0964848-1

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Mordell-Weil groups of generic abelian varieties in the unitary case

Alice Silverberg

Proc. Amer. Math. Soc. 104 (1988), 723-728

DOI: https://doi.org/10.1090/S0002-9939-1988-0929425-7

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Cyclic homology and the Beĭlinson-Manin-Schechtman central extension

Ezra Getzler

Proc. Amer. Math. Soc. 104 (1988), 729-734

DOI: https://doi.org/10.1090/S0002-9939-1988-0936774-5

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Constructive reflexivity of a uniformly convex Banach space

Hajime Ishihara

Proc. Amer. Math. Soc. 104 (1988), 735-740

DOI: https://doi.org/10.1090/S0002-9939-1988-0964849-3

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The Zalcman conjecture for close-to-convex functions

Wan Cang Ma

Proc. Amer. Math. Soc. 104 (1988), 741-744

DOI: https://doi.org/10.1090/S0002-9939-1988-0964850-X

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A lifting theorem for the time regularity of solutions to abstract equations with unbounded operators and applications to hyperbolic equations

I. Lasiecka and R. Triggiani

Proc. Amer. Math. Soc. 104 (1988), 745-755

DOI: https://doi.org/10.1090/S0002-9939-1988-0964851-1

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Invariant subspaces for algebras of subnormal operators. II

James E. Thomson

Proc. Amer. Math. Soc. 104 (1988), 756-758

DOI: https://doi.org/10.1090/S0002-9939-1988-0964852-3

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Alternative version of Shapley’s theorem on closed coverings of a simplex

Tatsuro Ichiishi

Proc. Amer. Math. Soc. 104 (1988), 759-763

DOI: https://doi.org/10.1090/S0002-9939-1988-0964853-5

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Karp’s theorem in electromagnetic scattering theory

David Colton and Rainer Kress

Proc. Amer. Math. Soc. 104 (1988), 764-769

DOI: https://doi.org/10.1090/S0002-9939-1988-0964854-7

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Separately subharmonic functions need not be subharmonic

Jan Wiegerinck

Proc. Amer. Math. Soc. 104 (1988), 770-771

DOI: https://doi.org/10.1090/S0002-9939-1988-0964855-9

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Unique solutions for a class of discontinuous differential equations

Alberto Bressan

Proc. Amer. Math. Soc. 104 (1988), 772-778

DOI: https://doi.org/10.1090/S0002-9939-1988-0964856-0

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Almost fixed point theorems

Adam Idzik

Proc. Amer. Math. Soc. 104 (1988), 779-784

DOI: https://doi.org/10.1090/S0002-9939-1988-0964857-2

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On complemented copies of $c_ 0$ in $L^ p_ X,\;1\leq p<\infty$

G. Emmanuele

Proc. Amer. Math. Soc. 104 (1988), 785-786

DOI: https://doi.org/10.1090/S0002-9939-1988-0930250-1

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Pointwise estimates for the relative fundamental solution of $\overline \partial _ b$

Michael Christ

Proc. Amer. Math. Soc. 104 (1988), 787-792

DOI: https://doi.org/10.1090/S0002-9939-1988-0929407-5

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On the nonsingular quadratic differential equations in the plane

A. Gasull and J. Llibre

Proc. Amer. Math. Soc. 104 (1988), 793-794

DOI: https://doi.org/10.1090/S0002-9939-1988-0964858-4

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Pettis decomposition for universally scalarly measurable functions

Elizabeth M. Bator

Proc. Amer. Math. Soc. 104 (1988), 795-800

DOI: https://doi.org/10.1090/S0002-9939-1988-0964859-6

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On the spectral picture of an irreducible subnormal operator

Paul McGuire

Proc. Amer. Math. Soc. 104 (1988), 801-808

DOI: https://doi.org/10.1090/S0002-9939-1988-0964860-2

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Nonexpansive actions of topological semigroups on strictly convex Banach spaces and fixed points

Wojciech Bartoszek

Proc. Amer. Math. Soc. 104 (1988), 809-811

DOI: https://doi.org/10.1090/S0002-9939-1988-0964861-4

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On a natural connection between the entropy spaces and Hardy space $\textrm {Re} H^ 1$

Romuald Dąbrowski

Proc. Amer. Math. Soc. 104 (1988), 812-818

DOI: https://doi.org/10.1090/S0002-9939-1988-0964862-6

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A Korovkin type approximation theorem for set-valued functions

Klaus Keimel and Walter Roth

Proc. Amer. Math. Soc. 104 (1988), 819-824

DOI: https://doi.org/10.1090/S0002-9939-1988-0964863-8

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Phragmén-Lindelöf theorem for the minimal surface equation

Jenn-Fang Hwang

Proc. Amer. Math. Soc. 104 (1988), 825-828

DOI: https://doi.org/10.1090/S0002-9939-1988-0964864-X

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An elementary proof of a result on $\Lambda (p)$ sets

Kathryn E. Hare

Proc. Amer. Math. Soc. 104 (1988), 829-834

DOI: https://doi.org/10.1090/S0002-9939-1988-0964865-1

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A generalized converse measurability theorem

K. S. Chang and K. S. Ryu

Proc. Amer. Math. Soc. 104 (1988), 835-839

DOI: https://doi.org/10.1090/S0002-9939-1988-0935104-2

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The existence of periodic solutions to nonautonomous differential inclusions

Jack W. Macki, Paolo Nistri and Pietro Zecca

Proc. Amer. Math. Soc. 104 (1988), 840-844

DOI: https://doi.org/10.1090/S0002-9939-1988-0931741-X

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Most quasidiagonal operators are not block-diagonal

Domingo A. Herrero

Proc. Amer. Math. Soc. 104 (1988), 845-851

DOI: https://doi.org/10.1090/S0002-9939-1988-0964866-3

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Endomorphisms of an extremal algebra

Herbert Kamowitz and Dennis Wortman

Proc. Amer. Math. Soc. 104 (1988), 852-858

DOI: https://doi.org/10.1090/S0002-9939-1988-0931733-0

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Four topologically equivalent measures in the Cantor space

Francisco J. Navarro-Bermúdez and John C. Oxtoby

Proc. Amer. Math. Soc. 104 (1988), 859-860

DOI: https://doi.org/10.1090/S0002-9939-1988-0939966-4

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A new approach to the multipliers of Pedersen’s ideal

N. Christopher Phillips

Proc. Amer. Math. Soc. 104 (1988), 861-867

DOI: https://doi.org/10.1090/S0002-9939-1988-0929419-1

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Finite type cones shaped on spherical submanifolds

Oscar J. Garay

Proc. Amer. Math. Soc. 104 (1988), 868-870

DOI: https://doi.org/10.1090/S0002-9939-1988-0929414-2

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On the spectral rigidity of $\textbf {C}\textrm {P}^ n$

Domenico Perrone

Proc. Amer. Math. Soc. 104 (1988), 871-875

DOI: https://doi.org/10.1090/S0002-9939-1988-0964867-5

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Isothermic surfaces and the Gauss map

Bennett Palmer

Proc. Amer. Math. Soc. 104 (1988), 876-884

DOI: https://doi.org/10.1090/S0002-9939-1988-0964868-7

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The first Dirichlet eigenvalue and radius of a geodesic ball

Seung-Jin Bang

Proc. Amer. Math. Soc. 104 (1988), 885-886

DOI: https://doi.org/10.1090/S0002-9939-1988-0964869-9

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Weakly compact cardinals and nonspecial Aronszajn trees

Saharon Shelah and Lee Stanley

Proc. Amer. Math. Soc. 104 (1988), 887-897

DOI: https://doi.org/10.1090/S0002-9939-1988-0964870-5

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Model-theoretic characterizations of arcs and simple closed curves

Paul Bankston

Proc. Amer. Math. Soc. 104 (1988), 898-904

DOI: https://doi.org/10.1090/S0002-9939-1988-0937843-6

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An isoperimetric theorem on the cube and the Kintchine-Kahane inequalities

Michel Talagrand

Proc. Amer. Math. Soc. 104 (1988), 905-909

DOI: https://doi.org/10.1090/S0002-9939-1988-0964871-7

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Normal forms for skew-symmetric matrices and Hamiltonian systems with first integrals linear in momenta

G. Thompson

Proc. Amer. Math. Soc. 104 (1988), 910-916

DOI: https://doi.org/10.1090/S0002-9939-1988-0964872-9

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Property C′′ and function spaces

Masami Sakai

Proc. Amer. Math. Soc. 104 (1988), 917-919

DOI: https://doi.org/10.1090/S0002-9939-1988-0964873-0

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Analyticity of homology classes

Alberto Tognoli

Proc. Amer. Math. Soc. 104 (1988), 920-922

DOI: https://doi.org/10.1090/S0002-9939-1988-0964874-2

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Volumes of flows

David L. Johnson

Proc. Amer. Math. Soc. 104 (1988), 923-931

DOI: https://doi.org/10.1090/S0002-9939-1988-0964875-4

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The Wiener lemma and cocycles

Marek Ryszard Rychlik

Proc. Amer. Math. Soc. 104 (1988), 932-933

DOI: https://doi.org/10.1090/S0002-9939-1988-0964876-6

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Positively expansive maps and growth of fundamental groups

K. Hiraide

Proc. Amer. Math. Soc. 104 (1988), 934-941

DOI: https://doi.org/10.1090/S0002-9939-1988-0964877-8

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Linear spaces, absolute retracts, and the compact extension property

Jos van der Bijl and Jan van Mill

Proc. Amer. Math. Soc. 104 (1988), 942-952

DOI: https://doi.org/10.1090/S0002-9939-1988-0964878-X

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$d$-final continua

John Isbell

Proc. Amer. Math. Soc. 104 (1988), 953-964

DOI: https://doi.org/10.1090/S0002-9939-1988-0964879-1

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Eventual extensions of finite codes

Mike Boyle

Proc. Amer. Math. Soc. 104 (1988), 965-972

DOI: https://doi.org/10.1090/S0002-9939-1988-0964880-8

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Small spaces which “generate” large spaces

W. W. Comfort

Proc. Amer. Math. Soc. 104 (1988), 973-980

DOI: https://doi.org/10.1090/S0002-9939-1988-0964881-X

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Characterizing $\Omega$-stability for flows in the plane

Maria Lúcia Alvarenga Peixoto

Proc. Amer. Math. Soc. 104 (1988), 981-984

DOI: https://doi.org/10.1090/S0002-9939-1988-0964882-1

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Compactifications of countable-dimensional and strongly countable-dimensional spaces

Ryszard Engelking and Roman Pol

Proc. Amer. Math. Soc. 104 (1988), 985-987

DOI: https://doi.org/10.1090/S0002-9939-1988-0964883-3

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Continuity of additive $\kappa$-metric functions and metrization of $\kappa$-metric spaces

Takesi Isiwata

Proc. Amer. Math. Soc. 104 (1988), 988-992

DOI: https://doi.org/10.1090/S0002-9939-1988-0964884-5

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Critical values of Fredholm maps

P. T. Church and J. G. Timourian

Proc. Amer. Math. Soc. 104 (1988), 993-998

DOI: https://doi.org/10.1090/S0002-9939-1988-0964885-7

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An empty class of nonmetric spaces

Alan Dow

Proc. Amer. Math. Soc. 104 (1988), 999-1001

DOI: https://doi.org/10.1090/S0002-9939-1988-0964886-9

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Erratum to: “On the location of the zeros of the derivative of a polynomial” [Proc. Amer. Math. Soc. 86 (1982), no. 1, 37–41; MR0663862 (83h:30006)]

J. Brian Conrey and Lee A. Rubel

Proc. Amer. Math. Soc. 104 (1988), 1002

DOI: https://doi.org/10.1090/S0002-9939-1988-0941324-3

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