Proceedings of the American Mathematical Society

Contents of Volume 83, Number 4
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Inverse elementary divisor problem for nonnegative matrices

Henryk Minc

Proc. Amer. Math. Soc. 83 (1981), 665-669

DOI: https://doi.org/10.1090/S0002-9939-1981-0630033-X

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A note on Noetherian P.I. rings

Amiram Braun

Proc. Amer. Math. Soc. 83 (1981), 670-672

DOI: https://doi.org/10.1090/S0002-9939-1981-0630034-1

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Boundedness of maximal functions and singular integrals in weighted $L^{p}$ spaces

José L. Rubio de Francia

Proc. Amer. Math. Soc. 83 (1981), 673-679

DOI: https://doi.org/10.1090/S0002-9939-1981-0630035-3

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On the absolute convergence of lacunary Fourier series

J. R. Patadia and V. M. Shah

Proc. Amer. Math. Soc. 83 (1981), 680-682

DOI: https://doi.org/10.1090/S0002-9939-1981-0630036-5

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Continuity of best approximants

D. Landers and L. Rogge

Proc. Amer. Math. Soc. 83 (1981), 683-689

DOI: https://doi.org/10.1090/S0002-9939-1981-0630037-7

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Convergence of best best $L_{\infty }$-approximations

Abdallah M. Al-Rashed and Richard B. Darst

Proc. Amer. Math. Soc. 83 (1981), 690-692

DOI: https://doi.org/10.1090/S0002-9939-1981-0630038-9

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The distribution function in the Morrey space

Josefina Álvarez Alonso

Proc. Amer. Math. Soc. 83 (1981), 693-699

DOI: https://doi.org/10.1090/S0002-9939-1981-0630039-0

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$L_{0}$ is $\omega$-transitive

N. T. Peck and T. Starbird

Proc. Amer. Math. Soc. 83 (1981), 700-704

DOI: https://doi.org/10.1090/S0002-9939-1981-0630040-7

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On the dimension of the zero or infinity tending sets for linear differential equations

James S. Muldowney

Proc. Amer. Math. Soc. 83 (1981), 705-709

DOI: https://doi.org/10.1090/S0002-9939-1981-0630041-9

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On the uniform ergodic theorem of Lin

Stuart P. Lloyd

Proc. Amer. Math. Soc. 83 (1981), 710-714

DOI: https://doi.org/10.1090/S0002-9939-1981-0630042-0

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Lipschitz functions and spectral synthesis

Sung Yung Lee

Proc. Amer. Math. Soc. 83 (1981), 715-719

DOI: https://doi.org/10.1090/S0002-9939-1981-0630043-2

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Über gewöhnliche Differentialungleichungen zweiter Ordnung

Roland Lemmert

Proc. Amer. Math. Soc. 83 (1981), 720-724

DOI: https://doi.org/10.1090/S0002-9939-1981-0630027-4

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On strong unicity of $L_{1}$-approximation

András Kroó

Proc. Amer. Math. Soc. 83 (1981), 725-729

DOI: https://doi.org/10.1090/S0002-9939-1981-0630044-4

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Spectral inclusion for doubly commuting subnormal $n$-tuples

Raul E. Curto

Proc. Amer. Math. Soc. 83 (1981), 730-734

DOI: https://doi.org/10.1090/S0002-9939-1981-0630045-6

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On weak$^{\ast }$ continuous operators on $\mathcal {B}(\mathcal {H})$

Robert E. Weber

Proc. Amer. Math. Soc. 83 (1981), 735-742

DOI: https://doi.org/10.1090/S0002-9939-1981-0630046-8

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A note on $L(p, q)$ spaces and Orlicz spaces with mixed norms

Mario Milman

Proc. Amer. Math. Soc. 83 (1981), 743-746

DOI: https://doi.org/10.1090/S0002-9939-1981-0630047-X

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Contractive commutants and invariant subspaces

R. L. Moore

Proc. Amer. Math. Soc. 83 (1981), 747-750

DOI: https://doi.org/10.1090/S0002-9939-1981-0630048-1

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The image of the Ahlfors function

David Minda

Proc. Amer. Math. Soc. 83 (1981), 751-756

DOI: https://doi.org/10.1090/S0002-9939-1981-0630049-3

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A monotonic property for the zeros of ultraspherical polynomials

Andrea Laforgia

Proc. Amer. Math. Soc. 83 (1981), 757-758

DOI: https://doi.org/10.1090/S0002-9939-1981-0630050-X

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Totally real submanifolds in a $6$-sphere

Norio Ejiri

Proc. Amer. Math. Soc. 83 (1981), 759-763

DOI: https://doi.org/10.1090/S0002-9939-1981-0630028-6

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A note on a lemma of Shelah concerning stationary sets

Alan H. Mekler, Donald H. Pelletier and Alan D. Taylor

Proc. Amer. Math. Soc. 83 (1981), 764-768

DOI: https://doi.org/10.1090/S0002-9939-1981-0630051-1

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On the divergence of extension procedures in isol theory

T. G. McLaughlin

Proc. Amer. Math. Soc. 83 (1981), 769-773

DOI: https://doi.org/10.1090/S0002-9939-1981-0630052-3

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A refinement of Cantor’s theorem

G. Kirmayer

Proc. Amer. Math. Soc. 83 (1981), 774

DOI: https://doi.org/10.1090/S0002-9939-1981-0630053-5

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Selection and representation theorems for $\sigma$-compact valued multifunctions

S. M. Srivastava

Proc. Amer. Math. Soc. 83 (1981), 775-780

DOI: https://doi.org/10.1090/S0002-9939-1981-0630054-7

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A fixed point theory for multivalued mappings

Lech Pasicki

Proc. Amer. Math. Soc. 83 (1981), 781-789

DOI: https://doi.org/10.1090/S0002-9939-1981-0630055-9

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An inequality concerning three fundamental dimensions of paracompact $\sigma$-spaces

Shinpei Oka

Proc. Amer. Math. Soc. 83 (1981), 790-792

DOI: https://doi.org/10.1090/S0002-9939-1981-0630056-0

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Metrizability and the Fréchet-Urysohn property in topological groups

Peter J. Nyikos

Proc. Amer. Math. Soc. 83 (1981), 793-801

DOI: https://doi.org/10.1090/S0002-9939-1981-0630057-2

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Strong collectionwise normality and M. E. Rudin’s Dowker space

K. P. Hart

Proc. Amer. Math. Soc. 83 (1981), 802-806

DOI: https://doi.org/10.1090/S0002-9939-1981-0630058-4

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Which connected metric spaces are compact?

Gerald Beer

Proc. Amer. Math. Soc. 83 (1981), 807-811

DOI: https://doi.org/10.1090/S0002-9939-1981-0630059-6

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Banach bundles and a theorem of J. M. G. Fell

Anthony Karel Seda

Proc. Amer. Math. Soc. 83 (1981), 812-816

DOI: https://doi.org/10.1090/S0002-9939-1981-0630060-2

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A split action associated with a compact transformation group

Sol Schwartzman

Proc. Amer. Math. Soc. 83 (1981), 817-824

DOI: https://doi.org/10.1090/S0002-9939-1981-0630061-4

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An invariant for continuous factors of Markov shifts

Bruce Kitchens

Proc. Amer. Math. Soc. 83 (1981), 825-828

DOI: https://doi.org/10.1090/S0002-9939-1981-0630029-8

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Involutions with fixed point set of constant codimension

Koichi Iwata

Proc. Amer. Math. Soc. 83 (1981), 829-832

DOI: https://doi.org/10.1090/S0002-9939-1981-0630030-4

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A characterization of manifold decompositions satisfying the disjoint triples property

Dennis J. Garity

Proc. Amer. Math. Soc. 83 (1981), 833-838

DOI: https://doi.org/10.1090/S0002-9939-1981-0630031-6

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The Riemann integral in constructive mathematics

David Spring

Proc. Amer. Math. Soc. 83 (1981), 839-840

DOI: https://doi.org/10.1090/S0002-9939-1981-0630032-8

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