Proceedings of the American Mathematical Society

Contents of Volume 82, Number 4
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A characterization of the contact Lie algebras

Thomas B. Gregory

Proc. Amer. Math. Soc. 82 (1981), 505-511

DOI: https://doi.org/10.1090/S0002-9939-1981-0614868-5

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Boolean powers of groups

John Lawrence

Proc. Amer. Math. Soc. 82 (1981), 512-516

DOI: https://doi.org/10.1090/S0002-9939-1981-0614869-7

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Two results on fixed rings

J.-L. Pascaud

Proc. Amer. Math. Soc. 82 (1981), 517-520

DOI: https://doi.org/10.1090/S0002-9939-1981-0614870-3

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Exactness of the double dual

R. R. Colby and K. R. Fuller

Proc. Amer. Math. Soc. 82 (1981), 521-526

DOI: https://doi.org/10.1090/S0002-9939-1981-0614871-5

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Density relative to a torsion theory

Paul Bland and Stephen Riley

Proc. Amer. Math. Soc. 82 (1981), 527-532

DOI: https://doi.org/10.1090/S0002-9939-1981-0614872-7

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Solvable subgroups in prime rings

Charles Lanski

Proc. Amer. Math. Soc. 82 (1981), 533-537

DOI: https://doi.org/10.1090/S0002-9939-1981-0614873-9

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A result related to a theorem by Pianigiani

Abraham Boyarsky and Gabriel Haddad

Proc. Amer. Math. Soc. 82 (1981), 538-540

DOI: https://doi.org/10.1090/S0002-9939-1981-0614874-0

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On measures of analytic type

Louis Pigno and Brent Smith

Proc. Amer. Math. Soc. 82 (1981), 541-547

DOI: https://doi.org/10.1090/S0002-9939-1981-0614875-2

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An oscillation condition for differential equations of arbitrary order

William F. Trench

Proc. Amer. Math. Soc. 82 (1981), 548-552

DOI: https://doi.org/10.1090/S0002-9939-1981-0614876-4

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Level curves of functions of bounded characteristic

Karl F. Barth and James G. Clunie

Proc. Amer. Math. Soc. 82 (1981), 553-559

DOI: https://doi.org/10.1090/S0002-9939-1981-0614877-6

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Some inequalities related to Hölder’s inequality

C. J. Neugebauer

Proc. Amer. Math. Soc. 82 (1981), 560-564

DOI: https://doi.org/10.1090/S0002-9939-1981-0614878-8

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$\Pi$-regular variation

J. L. Geluk

Proc. Amer. Math. Soc. 82 (1981), 565-570

DOI: https://doi.org/10.1090/S0002-9939-1981-0614879-X

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An Abel-Tauber theorem for partitions

J. L. Geluk

Proc. Amer. Math. Soc. 82 (1981), 571-575

DOI: https://doi.org/10.1090/S0002-9939-1981-0614880-6

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A Tauberian problem for a Volterra integral operator

Gustaf Gripenberg

Proc. Amer. Math. Soc. 82 (1981), 576-582

DOI: https://doi.org/10.1090/S0002-9939-1981-0614881-8

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Extensions of pure positive functionals on Banach $^{\ast }$-algebras

R. S. Doran and Wayne Tiller

Proc. Amer. Math. Soc. 82 (1981), 583-586

DOI: https://doi.org/10.1090/S0002-9939-1981-0614882-X

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Some conditions for $n$-convex functions

G. E. Cross

Proc. Amer. Math. Soc. 82 (1981), 587-592

DOI: https://doi.org/10.1090/S0002-9939-1981-0614883-1

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On a conjecture for oscillation of second-order ordinary differential systems

Angelo B. Mingarelli

Proc. Amer. Math. Soc. 82 (1981), 593-598

DOI: https://doi.org/10.1090/S0002-9939-1981-0614884-3

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Elementary proof of the Rudin-Carleson and the F. and M. Riesz theorems

Raouf Doss

Proc. Amer. Math. Soc. 82 (1981), 599-602

DOI: https://doi.org/10.1090/S0002-9939-1981-0614885-5

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Approximating fixed points of some mappings

Ramendra Krishna Bose and Rathindra Nath Mukherjee

Proc. Amer. Math. Soc. 82 (1981), 603-606

DOI: https://doi.org/10.1090/S0002-9939-1981-0614886-7

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Deficient values of entire functions and their derivatives

David Drasin, Guang Hou Zhang, Lo Yang and Allen Weitsman

Proc. Amer. Math. Soc. 82 (1981), 607-612

DOI: https://doi.org/10.1090/S0002-9939-1981-0614887-9

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Markov operators and quasi-Stonian spaces

Robert E. Atalla

Proc. Amer. Math. Soc. 82 (1981), 613-618

DOI: https://doi.org/10.1090/S0002-9939-1981-0614888-0

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Continuity of the spectrum and spectral radius

Gerard J. Murphy

Proc. Amer. Math. Soc. 82 (1981), 619-621

DOI: https://doi.org/10.1090/S0002-9939-1981-0614889-2

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Admissible kernels for starshaped sets

Marilyn Breen

Proc. Amer. Math. Soc. 82 (1981), 622-628

DOI: https://doi.org/10.1090/S0002-9939-1981-0614890-9

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On a theorem of Arhangel′skiĭ

H. H. Hung

Proc. Amer. Math. Soc. 82 (1981), 629-633

DOI: https://doi.org/10.1090/S0002-9939-1981-0614891-0

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A weakly infinite-dimensional compactum which is not countable-dimensional

Roman Pol

Proc. Amer. Math. Soc. 82 (1981), 634-636

DOI: https://doi.org/10.1090/S0002-9939-1981-0614892-2

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An infinite family in $\pi _\ast S^{0}$ derived from Mahowald’s $\eta _{j}$ family

Robert R. Bruner

Proc. Amer. Math. Soc. 82 (1981), 637-639

DOI: https://doi.org/10.1090/S0002-9939-1981-0614893-4

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An abstract fixed point theorem for nonexpansive mappings

W. A. Kirk

Proc. Amer. Math. Soc. 82 (1981), 640-642

DOI: https://doi.org/10.1090/S0002-9939-1981-0614894-6

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Topology of certain submanifolds in the Euclidean sphere

Y. L. Xin

Proc. Amer. Math. Soc. 82 (1981), 643-648

DOI: https://doi.org/10.1090/S0002-9939-1981-0614895-8

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Completely regular and $\omega$-regular spaces

D. C. Kent and G. D. Richardson

Proc. Amer. Math. Soc. 82 (1981), 649-652

DOI: https://doi.org/10.1090/S0002-9939-1981-0614896-X

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Totally real Klein bottles in $\textbf {C}^{2}$

Walter Rudin

Proc. Amer. Math. Soc. 82 (1981), 653-654

DOI: https://doi.org/10.1090/S0002-9939-1981-0614897-1

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The Fréchet space $\omega$ admits a strictly stronger separable and quasicomplete locally convex topology

Susanne Dierolf

Proc. Amer. Math. Soc. 82 (1981), 655-656

DOI: https://doi.org/10.1090/S0002-9939-1981-0614898-3

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A characterization of $C$-compact spaces

Jesse P. Clay and James E. Joseph

Proc. Amer. Math. Soc. 82 (1981), 657-658

DOI: https://doi.org/10.1090/S0002-9939-1981-0614899-5

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