Contents of Volume 9, Number 4

All articles in this issue are freely accessible.

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On $O_{\omega }$-ideals in $C(X)$

J. G. Horne.
Proc. Amer. Math. Soc. 9 (1958), 511-518
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MathSciNet review: 0102734

Correspondances singulières par parallélisme des plans tangents des deux surfaces

Pavel Drăgilă.
Proc. Amer. Math. Soc. 9 (1958), 518-521
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MathSciNet review: 0114166

A note on convexity in Euclidean $n$-space

Herman Rubin and Oscar Wesler.
Proc. Amer. Math. Soc. 9 (1958), 522-523
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MathSciNet review: 0097772

Order-compatible topologies on a partially ordered set

E. S. Wolk.
Proc. Amer. Math. Soc. 9 (1958), 524-529
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MathSciNet review: 0096596

On the existence of weak cut points in plane continua

F. Burton Jones.
Proc. Amer. Math. Soc. 9 (1958), 530-532
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MathSciNet review: 0097035

An iterative procedure for certain nonlinear circuits

William J. Swartz.
Proc. Amer. Math. Soc. 9 (1958), 533-540
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MathSciNet review: 0096842

Linear automaton transformations

A. Nerode.
Proc. Amer. Math. Soc. 9 (1958), 541-544
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MathSciNet review: 0135681

On the domain of absolute convergence of Dirichlet series in several variables

Gideon Peyser.
Proc. Amer. Math. Soc. 9 (1958), 545-550
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MathSciNet review: 0097360

A remark concerning a theorem of B. Friedman

J. Feldman.
Proc. Amer. Math. Soc. 9 (1958), 551-552
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MathSciNet review: 0099597

An extension of a theorem of Mandelbrojt

R. A. Kunze.
Proc. Amer. Math. Soc. 9 (1958), 553-557
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MathSciNet review: 0102703

An intersection property for cones in a linear space

R. E. Fullerton.
Proc. Amer. Math. Soc. 9 (1958), 558-561
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MathSciNet review: 0099581

The distribution of $a$-points of an entire function

S. K. Singh and S. H. Dwivedi.
Proc. Amer. Math. Soc. 9 (1958), 562-568
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MathSciNet review: 0097518

Basic sets of polynomial solutions for partial differential equations.

J. Horváth.
Proc. Amer. Math. Soc. 9 (1958), 569-575
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MathSciNet review: 0103330

The transformation of basic sets of polynomials

N. M. Mikhail.
Proc. Amer. Math. Soc. 9 (1958), 576-580
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MathSciNet review: 0096814

On the Hilbert matrix. II

Marvin Rosenblum.
Proc. Amer. Math. Soc. 9 (1958), 581-585
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MathSciNet review: 0099599

On nonlinear second order differential equations

John Jones, Jr..
Proc. Amer. Math. Soc. 9 (1958), 586-588
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On inequalities for differential operators

Richard Bellman.
Proc. Amer. Math. Soc. 9 (1958), 589-597
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MathSciNet review: 0110771

Inversion of an integral transform

Harry Pollard and Harold Widom.
Proc. Amer. Math. Soc. 9 (1958), 598-602
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MathSciNet review: 0098960

Singular functions associated with Markov chains

John R. Kinney.
Proc. Amer. Math. Soc. 9 (1958), 603-608
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MathSciNet review: 0099719

Congruences for the coefficients of modular forms and for the coefficients of $j(\tau )$

Morris Newman.
Proc. Amer. Math. Soc. 9 (1958), 609-612
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MathSciNet review: 0098729

On torsion-free abelian groups and Lie algebras

Richard Block.
Proc. Amer. Math. Soc. 9 (1958), 613-620
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MathSciNet review: 0097444

On the semisimplicity of group algebras

Orlando E. Villamayor.
Proc. Amer. Math. Soc. 9 (1958), 621-627
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MathSciNet review: 0098769

Commutators in division rings

Bruno Harris.
Proc. Amer. Math. Soc. 9 (1958), 628-630
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MathSciNet review: 0096697

On powers of non-negative matrices

John C. Holladay and Richard S. Varga.
Proc. Amer. Math. Soc. 9 (1958), 631-634
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MathSciNet review: 0097416

Rings with a pivotal monomial

S. A. Amitsur.
Proc. Amer. Math. Soc. 9 (1958), 635-642
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MathSciNet review: 0096705

Order and commutativity in Banach algebras

Philip C. Curtis.
Proc. Amer. Math. Soc. 9 (1958), 643-646
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MathSciNet review: 0102757

A note on valued linear spaces

Paul Conrad.
Proc. Amer. Math. Soc. 9 (1958), 646-647
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MathSciNet review: 0099368

The interior points of the product of two subsets of a locally compact group

Anatole Beck, H. H. Corson and A. B. Simon.
Proc. Amer. Math. Soc. 9 (1958), 648-652
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MathSciNet review: 0101891

Simple modal noncommutative Jordan algebras

Louis A. Kokoris.
Proc. Amer. Math. Soc. 9 (1958), 652-654
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MathSciNet review: 0096711

A note on the relationship between certain subgroups of a finite group.

W. E. Deskins.
Proc. Amer. Math. Soc. 9 (1958), 655-660
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MathSciNet review: 0099366

A ring admitting modules of limited dimension

William G. Leavitt.
Proc. Amer. Math. Soc. 9 (1958), 660-664
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MathSciNet review: 0098768

On coset representatives in groups

Oystein Ore.
Proc. Amer. Math. Soc. 9 (1958), 665-670
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MathSciNet review: 0100639