Proceedings of the American Mathematical Society

Contents of Volume 113, Number 3
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Invariance of minimal prime ideals under derivations

C.-L. Chuang and T. K. Lee

Proc. Amer. Math. Soc. 113 (1991), 613-616

DOI: https://doi.org/10.1090/S0002-9939-1991-1072332-2

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Filtrations, asymptotic and Prüferian closures, cancellation laws

Henri Dichi and Daouda Sangare

Proc. Amer. Math. Soc. 113 (1991), 617-624

DOI: https://doi.org/10.1090/S0002-9939-1991-1064901-0

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Cover-avoidance and Frattini argument

Ben Brewster and Peter Hauck

Proc. Amer. Math. Soc. 113 (1991), 625-632

DOI: https://doi.org/10.1090/S0002-9939-1991-1062828-1

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Computing the integral closure of an affine domain

Wolmer V. Vasconcelos

Proc. Amer. Math. Soc. 113 (1991), 633-638

DOI: https://doi.org/10.1090/S0002-9939-1991-1055780-6

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A note on eigenvalues of Hecke operators on Siegel modular forms of degree two

Winfried Kohnen

Proc. Amer. Math. Soc. 113 (1991), 639-642

DOI: https://doi.org/10.1090/S0002-9939-1991-1068125-2

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On a theorem of Paley and Wiener

Richard T. Miller

Proc. Amer. Math. Soc. 113 (1991), 643-649

DOI: https://doi.org/10.1090/S0002-9939-1991-1070522-6

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A nonuniform version of the theorem of Radon-Nikodým in the finitely additive case with applications to extensions of finitely additive set functions

D. Plachky

Proc. Amer. Math. Soc. 113 (1991), 651-654

DOI: https://doi.org/10.1090/S0002-9939-1991-1077788-7

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Some trace class commutators of trace zero

Fuad Kittaneh

Proc. Amer. Math. Soc. 113 (1991), 655-661

DOI: https://doi.org/10.1090/S0002-9939-1991-1086332-X

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A note on the propagators of second order linear differential equations in Hilbert spaces

Tijun Xio and Jin Liang

Proc. Amer. Math. Soc. 113 (1991), 663-667

DOI: https://doi.org/10.1090/S0002-9939-1991-1072350-4

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Explicit functional determinants in four dimensions

Thomas P. Branson and Bent Ørsted

Proc. Amer. Math. Soc. 113 (1991), 669-682

DOI: https://doi.org/10.1090/S0002-9939-1991-1050018-8

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There are $2^ c$ symmetrically continuous functions

Miroslav Chlebík

Proc. Amer. Math. Soc. 113 (1991), 683-688

DOI: https://doi.org/10.1090/S0002-9939-1991-1069685-8

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Maximal functions, $A_ \infty$-measures and quasiconformal maps

Susan G. Staples

Proc. Amer. Math. Soc. 113 (1991), 689-700

DOI: https://doi.org/10.1090/S0002-9939-1991-1075951-2

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Sectorialness of second order elliptic operators in divergence form

Noboru Okazawa

Proc. Amer. Math. Soc. 113 (1991), 701-706

DOI: https://doi.org/10.1090/S0002-9939-1991-1072347-4

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Pure state extensions and compressibility of the $l_ 1$-algebra

Betül Tanbay

Proc. Amer. Math. Soc. 113 (1991), 707-713

DOI: https://doi.org/10.1090/S0002-9939-1991-1062394-0

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Random semilinear evolution equations in Banach spaces

Dimitrios Kravvaritis

Proc. Amer. Math. Soc. 113 (1991), 715-722

DOI: https://doi.org/10.1090/S0002-9939-1991-1056680-8

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On firmly nonexpansive mappings

Ryszard Smarzewski

Proc. Amer. Math. Soc. 113 (1991), 723-725

DOI: https://doi.org/10.1090/S0002-9939-1991-1050023-1

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Fixed point iteration for local strictly pseudo-contractive mapping

Xinlong Weng

Proc. Amer. Math. Soc. 113 (1991), 727-731

DOI: https://doi.org/10.1090/S0002-9939-1991-1086345-8

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On intermediate differentiability of Lipschitz functions on certain Banach spaces

M. Fabián and D. Preiss

Proc. Amer. Math. Soc. 113 (1991), 733-740

DOI: https://doi.org/10.1090/S0002-9939-1991-1074753-0

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Schwarzian derivatives and zeros of solutions to second order linear differential equations

A. Hinkkanen and John Rossi

Proc. Amer. Math. Soc. 113 (1991), 741-746

DOI: https://doi.org/10.1090/S0002-9939-1991-1069689-5

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Quotients of solutions of linear algebraic differential equations

Lee A. Rubel

Proc. Amer. Math. Soc. 113 (1991), 747-748

DOI: https://doi.org/10.1090/S0002-9939-1991-1052579-1

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Multi-tuple Shilov boundaries of algebra tensor products

Toma V. Tonev

Proc. Amer. Math. Soc. 113 (1991), 749-753

DOI: https://doi.org/10.1090/S0002-9939-1991-1057962-6

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Divisibility constraints on degrees of factor maps

Paul Trow

Proc. Amer. Math. Soc. 113 (1991), 755-760

DOI: https://doi.org/10.1090/S0002-9939-1991-1056686-9

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Boundary value problems for second and higher order differential equations

Donal O’Regan

Proc. Amer. Math. Soc. 113 (1991), 761-775

DOI: https://doi.org/10.1090/S0002-9939-1991-1069295-2

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Oscillation with respect to partial variables of linear second-order differential systems

Zong Qi Deng and Shi Gui Ruan

Proc. Amer. Math. Soc. 113 (1991), 777-783

DOI: https://doi.org/10.1090/S0002-9939-1991-1070514-7

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A cardinal spline approach to wavelets

Charles K. Chui and Jian-zhong Wang

Proc. Amer. Math. Soc. 113 (1991), 785-793

DOI: https://doi.org/10.1090/S0002-9939-1991-1077784-X

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Remark on a paper of Cheng and Smoller

Vinod B. Goyal

Proc. Amer. Math. Soc. 113 (1991), 795-797

DOI: https://doi.org/10.1090/S0002-9939-1991-1055773-9

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Polar duals of convex bodies

Mostafa Ghandehari

Proc. Amer. Math. Soc. 113 (1991), 799-808

DOI: https://doi.org/10.1090/S0002-9939-1991-1057954-7

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Minimal immersions of punctured compact Riemann surfaces in $\textbf {R}^ 3$

Kichoon Yang

Proc. Amer. Math. Soc. 113 (1991), 809-816

DOI: https://doi.org/10.1090/S0002-9939-1991-1069297-6

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Binary supersolvable matroids and modular constructions

Günter M. Ziegler

Proc. Amer. Math. Soc. 113 (1991), 817-829

DOI: https://doi.org/10.1090/S0002-9939-1991-1068134-3

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When do equidecomposable sets have equal measures?

Piotr Zakrzewski

Proc. Amer. Math. Soc. 113 (1991), 831-837

DOI: https://doi.org/10.1090/S0002-9939-1991-1086587-1

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$2$-to-$1$ maps with hereditarily indecomposable images

Jo Heath

Proc. Amer. Math. Soc. 113 (1991), 839-846

DOI: https://doi.org/10.1090/S0002-9939-1991-1081696-5

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Nonexistence of generalized scattering rays and singularities of the scattering kernel for generic domains in $\textbf {R}^ 3$

Luchezar Stojanov

Proc. Amer. Math. Soc. 113 (1991), 847-856

DOI: https://doi.org/10.1090/S0002-9939-1991-1070532-9

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Homotopy-commutative $H$-spaces

James P. Lin and Frank Williams

Proc. Amer. Math. Soc. 113 (1991), 857-865

DOI: https://doi.org/10.1090/S0002-9939-1991-1047005-2

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Nonrealizability of subalgebras of $\mathfrak {A}^*$

Stanley O. Kochman

Proc. Amer. Math. Soc. 113 (1991), 867-870

DOI: https://doi.org/10.1090/S0002-9939-1991-1070521-4

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Entropy and completely integrable Hamiltonian systems

Gabriel Paternain

Proc. Amer. Math. Soc. 113 (1991), 871-873

DOI: https://doi.org/10.1090/S0002-9939-1991-1059632-7

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$Z_ p$ actions on spaces of cohomology type $(a,0)$

Ronald M. Dotzel and Tej B. Singh

Proc. Amer. Math. Soc. 113 (1991), 875-878

DOI: https://doi.org/10.1090/S0002-9939-1991-1064902-2

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Closed curves that never extend to proper maps of disks

J. Scott Carter

Proc. Amer. Math. Soc. 113 (1991), 879-888

DOI: https://doi.org/10.1090/S0002-9939-1991-1070511-1

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The Jones polynomial of periodic knots

Yoshiyuki Yokota

Proc. Amer. Math. Soc. 113 (1991), 889-894

DOI: https://doi.org/10.1090/S0002-9939-1991-1064908-3

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A cellular wedge in $\textbf {R}^ 3$

T. B. Rushing and R. B. Sher

Proc. Amer. Math. Soc. 113 (1991), 895-898

DOI: https://doi.org/10.1090/S0002-9939-1991-1057745-7

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