Proceedings of the American Mathematical Society

Contents of Volume 106, Number 4
HTML articles powered by AMS MathViewer
View front and back matter from the print issue

On the number of good rational approximations to algebraic numbers

Julia Mueller and W. M. Schmidt

Proc. Amer. Math. Soc. 106 (1989), 859-866

DOI: https://doi.org/10.1090/S0002-9939-1989-0961415-1

PDF

Weakly dense subsets of the measure algebra

Maxim R. Burke

Proc. Amer. Math. Soc. 106 (1989), 867-874

DOI: https://doi.org/10.1090/S0002-9939-1989-0961402-3

PDF

Terms in the Selberg trace formula for $\textrm {SL}(3,\textbf {Z})\backslash \textrm {SL}(3,\textbf {R})/\textrm {SO}(3,\textbf {R})$ associated to Eisenstein series coming from a maximal parabolic subgroup

D. I. Wallace

Proc. Amer. Math. Soc. 106 (1989), 875-883

DOI: https://doi.org/10.1090/S0002-9939-1989-0963577-9

PDF

Pasting and modular lattices

E. Fried and G. Grätzer

Proc. Amer. Math. Soc. 106 (1989), 885-890

DOI: https://doi.org/10.1090/S0002-9939-1989-1004631-5

PDF

A topology on quantum logics

Sylvia Pulmannová and Zdena Riečanová

Proc. Amer. Math. Soc. 106 (1989), 891-897

DOI: https://doi.org/10.1090/S0002-9939-1989-0967488-4

PDF

A construction for pseudocomplemented semilattices and two applications

M. E. Adams and Matthew Gould

Proc. Amer. Math. Soc. 106 (1989), 899-905

DOI: https://doi.org/10.1090/S0002-9939-1989-0976362-9

PDF

Convergence of monotone dynamical systems with minimal equilibria

Jian Hong Wu

Proc. Amer. Math. Soc. 106 (1989), 907-911

DOI: https://doi.org/10.1090/S0002-9939-1989-1004632-7

PDF

Almost commuting unitary matrices

Ruy Exel and Terry Loring

Proc. Amer. Math. Soc. 106 (1989), 913-915

DOI: https://doi.org/10.1090/S0002-9939-1989-0975641-9

PDF

Normal forms for definite integer unimodular quadratic forms

Shmuel Friedland

Proc. Amer. Math. Soc. 106 (1989), 917-921

DOI: https://doi.org/10.1090/S0002-9939-1989-0976366-6

PDF

On the global dimension of fixed rings

Martin Lorenz

Proc. Amer. Math. Soc. 106 (1989), 923-932

DOI: https://doi.org/10.1090/S0002-9939-1989-0972235-6

PDF

Positive semidefinite forms over ordered skew fields

Ka Hin Leung

Proc. Amer. Math. Soc. 106 (1989), 933-942

DOI: https://doi.org/10.1090/S0002-9939-1989-0976367-8

PDF

Nonlinear two-point boundary value problems at resonance without Landesman-Lazer condition

R. Iannacci and M. N. Nkashama

Proc. Amer. Math. Soc. 106 (1989), 943-952

DOI: https://doi.org/10.1090/S0002-9939-1989-1004633-9

PDF

Asymptotic behavior of solutions to $\Delta u+Ku^ \sigma =0$ on $\textbf {R}^ n$ for $n\geq 3$

Jeanne Trubek

Proc. Amer. Math. Soc. 106 (1989), 953-959

DOI: https://doi.org/10.1090/S0002-9939-1989-0987615-2

PDF

Finitely nonreflexive Banach spaces

Marek Wójtowicz

Proc. Amer. Math. Soc. 106 (1989), 961-965

DOI: https://doi.org/10.1090/S0002-9939-1989-0949882-0

PDF

Linear extremal problems for harmonic mappings of the disk

Peter Duren and Glenn Schober

Proc. Amer. Math. Soc. 106 (1989), 967-973

DOI: https://doi.org/10.1090/S0002-9939-1989-0953740-5

PDF

Group actions and direct sum decompositions of $L^ p$ spaces

Rodney Nillsen

Proc. Amer. Math. Soc. 106 (1989), 975-985

DOI: https://doi.org/10.1090/S0002-9939-1989-0972237-X

PDF

An extension of Rellich’s inequality

Donna Marie Bennett

Proc. Amer. Math. Soc. 106 (1989), 987-993

DOI: https://doi.org/10.1090/S0002-9939-1989-0955455-6

PDF

On normal structure, fixed-point property and contractions of type $(\gamma )$

M. A. Khamsi

Proc. Amer. Math. Soc. 106 (1989), 995-1001

DOI: https://doi.org/10.1090/S0002-9939-1989-0960647-6

PDF

Spatial critical points of solutions of a one-dimensional nonlinear parabolic problem

Lawrence Turyn

Proc. Amer. Math. Soc. 106 (1989), 1003-1009

DOI: https://doi.org/10.1090/S0002-9939-1989-0961417-5

PDF

On strong uniqueness in one-sided $L^ 1$-approximation of differentiable functions

András Kroó, Manfred Sommer and Hans Strauss

Proc. Amer. Math. Soc. 106 (1989), 1011-1016

DOI: https://doi.org/10.1090/S0002-9939-1989-0964457-5

PDF

Radó’s theorem for CR-functions

Jean-Pierre Rosay and Edgar Lee Stout

Proc. Amer. Math. Soc. 106 (1989), 1017-1026

DOI: https://doi.org/10.1090/S0002-9939-1989-0964461-7

PDF

Marczewski sets, measure and the Baire property. II

John T. Walsh

Proc. Amer. Math. Soc. 106 (1989), 1027-1030

DOI: https://doi.org/10.1090/S0002-9939-1989-0967489-6

PDF

The ghost of an index theorem

Robin Harte

Proc. Amer. Math. Soc. 106 (1989), 1031-1033

DOI: https://doi.org/10.1090/S0002-9939-1989-0975646-8

PDF

One criterion for univalency

Mamoru Nunokawa, Milutin Obradović and Shigeyoshi Owa

Proc. Amer. Math. Soc. 106 (1989), 1035-1037

DOI: https://doi.org/10.1090/S0002-9939-1989-0975653-5

PDF

On operators that are almost isometric on the positive cones of $L^ p$-spaces, $1<p<+\infty$

Sen Zhong Huang

Proc. Amer. Math. Soc. 106 (1989), 1039-1047

DOI: https://doi.org/10.1090/S0002-9939-1989-0975658-4

PDF

On the blow up of $u_ t$ at quenching

Keng Deng and Howard A. Levine

Proc. Amer. Math. Soc. 106 (1989), 1049-1056

DOI: https://doi.org/10.1090/S0002-9939-1989-0969520-0

PDF

Each hyperinvariant subspace for a multiplication operator is spectral

Sen Zhong Huang

Proc. Amer. Math. Soc. 106 (1989), 1057-1061

DOI: https://doi.org/10.1090/S0002-9939-1989-0975657-2

PDF

Maximum modulus convexity and the location of zeros of an entire function

Faruk F. Abi-Khuzam

Proc. Amer. Math. Soc. 106 (1989), 1063-1068

DOI: https://doi.org/10.1090/S0002-9939-1989-0972225-3

PDF

Oscillation theorems for second order nonlinear differential equations

James S. W. Wong

Proc. Amer. Math. Soc. 106 (1989), 1069-1077

DOI: https://doi.org/10.1090/S0002-9939-1989-0952324-2

PDF

Linear operators commuting with translations on $\mathcal {D}(\mathbf {R})$ are continuous

Gary Hosler Meisters

Proc. Amer. Math. Soc. 106 (1989), 1079-1083

DOI: https://doi.org/10.1090/S0002-9939-1989-0979227-1

PDF

Thurston norm minimizing surfaces and skein trees for links in $S^ 3$

Abigail Thompson

Proc. Amer. Math. Soc. 106 (1989), 1085-1090

DOI: https://doi.org/10.1090/S0002-9939-1989-0969321-3

PDF

Manifolds with $(\textbf {Z}_ 2)^ k$-action

Pedro L. Q. Pergher

Proc. Amer. Math. Soc. 106 (1989), 1091-1094

DOI: https://doi.org/10.1090/S0002-9939-1989-0969320-1

PDF

A dynamical system on $\textbf {R}^ 3$ with uniformly bounded trajectories and no compact trajectories

K. M. Kuperberg and Coke S. Reed

Proc. Amer. Math. Soc. 106 (1989), 1095-1097

DOI: https://doi.org/10.1090/S0002-9939-1989-0965244-4

PDF

Automorphisms of extended current algebras

Paolo Piazza and Siye Wu

Proc. Amer. Math. Soc. 106 (1989), 1099-1106

DOI: https://doi.org/10.1090/S0002-9939-1989-0969525-X

PDF

Criteria for selfadjointness of the Dirac operator on pseudomanifolds

Arthur W. Chou

Proc. Amer. Math. Soc. 106 (1989), 1107-1116

DOI: https://doi.org/10.1090/S0002-9939-1989-0975634-1

PDF

On the two definitions of the Conley index

Henry L. Kurland

Proc. Amer. Math. Soc. 106 (1989), 1117-1130

DOI: https://doi.org/10.1090/S0002-9939-1989-0982405-9

PDF

Matroids determine the embeddability of graphs in surfaces

Thomas Zaslavsky

Proc. Amer. Math. Soc. 106 (1989), 1131-1135

DOI: https://doi.org/10.1090/S0002-9939-1989-0979055-7

PDF

Maximum rank of powers of a matrix of a given pattern

Svatopluk Poljak

Proc. Amer. Math. Soc. 106 (1989), 1137-1144

DOI: https://doi.org/10.1090/S0002-9939-1989-0963575-5

PDF

Nowhere dense $P$-subsets of $\omega$

Winfried Just

Proc. Amer. Math. Soc. 106 (1989), 1145-1146

DOI: https://doi.org/10.1090/S0002-9939-1989-0976360-5

PDF