Proceedings of the American Mathematical Society

Contents of Volume 105, Number 1
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Remarks on a remark of Kaplansky

William J. Heinzer and Ira J. Papick

Proc. Amer. Math. Soc. 105 (1989), 1-9

DOI: https://doi.org/10.1090/S0002-9939-1989-0973834-8

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Quiver concomitants are often reflexive Azumaya

Lieven Le Bruyn

Proc. Amer. Math. Soc. 105 (1989), 10-16

DOI: https://doi.org/10.1090/S0002-9939-1989-0931734-3

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Gabriel and Krull dimensions of modules over rings graded by finite groups

Piotr Grzeszczuk and Edmund R. Puczyłowski

Proc. Amer. Math. Soc. 105 (1989), 17-24

DOI: https://doi.org/10.1090/S0002-9939-1989-0973835-X

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Kaplansky’s problem on valuation rings

László Fuchs and Saharon Shelah

Proc. Amer. Math. Soc. 105 (1989), 25-30

DOI: https://doi.org/10.1090/S0002-9939-1989-0929431-3

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On the maximum density of minimal asymptotic bases

Melvyn B. Nathanson and András Sárközy

Proc. Amer. Math. Soc. 105 (1989), 31-33

DOI: https://doi.org/10.1090/S0002-9939-1989-0973836-1

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Distributive factor lattices in free rings

P. M. Cohn

Proc. Amer. Math. Soc. 105 (1989), 34-41

DOI: https://doi.org/10.1090/S0002-9939-1989-0973837-3

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Analytic continuation of Archimedean Whittaker integrals

Stephen Rallis and David Soudry

Proc. Amer. Math. Soc. 105 (1989), 42-51

DOI: https://doi.org/10.1090/S0002-9939-1989-0929417-9

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On the Glauberman correspondence

Gabriel Navarro

Proc. Amer. Math. Soc. 105 (1989), 52-54

DOI: https://doi.org/10.1090/S0002-9939-1989-0929412-X

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Ruled Fano $4$-folds of index $2$

Jarosław A. Wiśniewski

Proc. Amer. Math. Soc. 105 (1989), 55-61

DOI: https://doi.org/10.1090/S0002-9939-1989-0929433-7

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On matrix coefficients of the reflection representation

J. Matthew Douglass and Brad Shelton

Proc. Amer. Math. Soc. 105 (1989), 62-65

DOI: https://doi.org/10.1090/S0002-9939-1989-0930242-3

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Approximations and fixed points for condensing non-self-maps defined on a sphere

Tzu-Chu Lin

Proc. Amer. Math. Soc. 105 (1989), 66-69

DOI: https://doi.org/10.1090/S0002-9939-1989-0973838-5

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Three-space problems for the approximation properties

Gilles Godefroy and Pierre David Saphar

Proc. Amer. Math. Soc. 105 (1989), 70-75

DOI: https://doi.org/10.1090/S0002-9939-1989-0930249-6

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A short proof of a continued fraction test for the stability of polynomials

R. M. Hovstad

Proc. Amer. Math. Soc. 105 (1989), 76-79

DOI: https://doi.org/10.1090/S0002-9939-1989-0973839-7

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Dynamical systems from function algebras

Tim Pennings and Justin Peters

Proc. Amer. Math. Soc. 105 (1989), 80-86

DOI: https://doi.org/10.1090/S0002-9939-1989-0973840-3

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Banach lattices with the subsequence splitting property

Lutz W. Weis

Proc. Amer. Math. Soc. 105 (1989), 87-96

DOI: https://doi.org/10.1090/S0002-9939-1989-0937853-X

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Denseness of operators whose second adjoints attain their numerical radii

María D. Acosta and Rafael Paya

Proc. Amer. Math. Soc. 105 (1989), 97-101

DOI: https://doi.org/10.1090/S0002-9939-1989-0937841-3

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Fixed points of nonexpansive mappings in Banach lattices

M. A. Khamsi and Ph. Turpin

Proc. Amer. Math. Soc. 105 (1989), 102-110

DOI: https://doi.org/10.1090/S0002-9939-1989-0973841-5

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On the strong unbounded commutant of an $\mathcal {O}^*$-algebra

A. Van Daele and A. Kasparek

Proc. Amer. Math. Soc. 105 (1989), 111-116

DOI: https://doi.org/10.1090/S0002-9939-1989-0973842-7

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Point derivations of function algebras generated by holomorphic functions

R. G. M. Brummelhuis and P. J. de Paepe

Proc. Amer. Math. Soc. 105 (1989), 117-120

DOI: https://doi.org/10.1090/S0002-9939-1989-0933512-8

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Completely continuous Hankel operators on $H^ \infty$ and Bourgain algebras

Joseph A. Cima, Svante Janson and Keith Yale

Proc. Amer. Math. Soc. 105 (1989), 121-125

DOI: https://doi.org/10.1090/S0002-9939-1989-0931727-6

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Bounded real-analytic submanifolds of Banach spaces

J. A. Jaramillo

Proc. Amer. Math. Soc. 105 (1989), 126-128

DOI: https://doi.org/10.1090/S0002-9939-1989-0931740-9

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A generalization of the Salem test

Daniel Waterman

Proc. Amer. Math. Soc. 105 (1989), 129-133

DOI: https://doi.org/10.1090/S0002-9939-1989-0929413-1

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Infinitesimal pseudometrics and the Schwarz lemma

M. Klimek

Proc. Amer. Math. Soc. 105 (1989), 134-140

DOI: https://doi.org/10.1090/S0002-9939-1989-0930248-4

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Oscillation of superlinear matrix differential equations

Calvin D. Ahlbrandt, Jerry Ridenhour and Russell C. Thompson

Proc. Amer. Math. Soc. 105 (1989), 141-148

DOI: https://doi.org/10.1090/S0002-9939-1989-0946622-6

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A note on quasicentral approximate units in $B(H)$

John L. Orr

Proc. Amer. Math. Soc. 105 (1989), 149-150

DOI: https://doi.org/10.1090/S0002-9939-1989-0929408-8

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Weak conditions for generation of cosine families in linear topological spaces

Michiaki Watanabe

Proc. Amer. Math. Soc. 105 (1989), 151-158

DOI: https://doi.org/10.1090/S0002-9939-1989-0929411-8

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The geometry of the hyperelliptic involution in genus two

Andrew Haas and Perry Susskind

Proc. Amer. Math. Soc. 105 (1989), 159-165

DOI: https://doi.org/10.1090/S0002-9939-1989-0930247-2

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Estimates for fundamental solutions of second-order subelliptic differential operators

Michael Christ

Proc. Amer. Math. Soc. 105 (1989), 166-172

DOI: https://doi.org/10.1090/S0002-9939-1989-0953002-6

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Quasi-Sasakian homogeneous structures on the generalized Heisenberg group $H(p,1)$

J. C. Gonzalez and D. Chinea

Proc. Amer. Math. Soc. 105 (1989), 173-184

DOI: https://doi.org/10.1090/S0002-9939-1989-0973843-9

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Range inclusion for convex processes on Banach spaces; applications in controllability

Ovidiu Cârjă

Proc. Amer. Math. Soc. 105 (1989), 185-191

DOI: https://doi.org/10.1090/S0002-9939-1989-0973844-0

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A global pinching theorem of minimal hypersurfaces in the sphere

Chun Li Shen

Proc. Amer. Math. Soc. 105 (1989), 192-198

DOI: https://doi.org/10.1090/S0002-9939-1989-0973845-2

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Special square sequences

Stevo Todorčević

Proc. Amer. Math. Soc. 105 (1989), 199-205

DOI: https://doi.org/10.1090/S0002-9939-1989-0929410-6

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Mutation of knots

C. Kearton

Proc. Amer. Math. Soc. 105 (1989), 206-208

DOI: https://doi.org/10.1090/S0002-9939-1989-0929430-1

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Manifolds and Stiefel-Whitney classes

Mark Anderson

Proc. Amer. Math. Soc. 105 (1989), 209-214

DOI: https://doi.org/10.1090/S0002-9939-1989-0929428-3

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An absolutely extremal flow with a non-absolutely extremal factor

Naomi Shaked-Monderer

Proc. Amer. Math. Soc. 105 (1989), 215-220

DOI: https://doi.org/10.1090/S0002-9939-1989-0930246-0

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Stability of the fixed point property and universal maps

José M. R. Sanjurjo

Proc. Amer. Math. Soc. 105 (1989), 221-230

DOI: https://doi.org/10.1090/S0002-9939-1989-0931746-X

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Ordered spaces all of whose continuous images are normal

William Fleissner and Ronnie Levy

Proc. Amer. Math. Soc. 105 (1989), 231-235

DOI: https://doi.org/10.1090/S0002-9939-1989-0973846-4

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A generalization of a theorem on continuous selections

E. Michael

Proc. Amer. Math. Soc. 105 (1989), 236-243

DOI: https://doi.org/10.1090/S0002-9939-1989-0939967-7

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On the periodic points of a typical continuous function

K. Simon

Proc. Amer. Math. Soc. 105 (1989), 244-249

DOI: https://doi.org/10.1090/S0002-9939-1989-0929418-0

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A homeomorphism on $s$ not conjugate to an extendable homeomorphism

Jan van Mill

Proc. Amer. Math. Soc. 105 (1989), 250-253

DOI: https://doi.org/10.1090/S0002-9939-1989-0931739-2

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Immersed codimension one projective spaces in spherical space forms

J. Scott Carter

Proc. Amer. Math. Soc. 105 (1989), 254-257

DOI: https://doi.org/10.1090/S0002-9939-1989-0946623-8

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Infinite vertex-transitive, edge-transitive non-$1$-transitive graphs

Carsten Thomassen and Mark E. Watkins

Proc. Amer. Math. Soc. 105 (1989), 258-261

DOI: https://doi.org/10.1090/S0002-9939-1989-0973847-6

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Alexander’s subbase lemma

S. Salbany and T. D. Todorov

Proc. Amer. Math. Soc. 105 (1989), 262

DOI: https://doi.org/10.1090/S0002-9939-1989-0946626-3

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