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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2024 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Contents of Volume 19, Number 4
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Domains of variability for univalent polynomials
V. F. Cowling and W. C. Royster
Proc. Amer. Math. Soc. 19 (1968), 767-772
DOI: https://doi.org/10.1090/S0002-9939-1968-0227392-2
Properties of certain spaces of entire functions
Minaketan Das
Proc. Amer. Math. Soc. 19 (1968), 773-776
DOI: https://doi.org/10.1090/S0002-9939-1968-0227754-3
A generalization of the Mikusinski operational calculus
James A. Wood
Proc. Amer. Math. Soc. 19 (1968), 777-781
DOI: https://doi.org/10.1090/S0002-9939-1968-0229038-6
A decomposition relative to convex sets
M. Z. Nashed
Proc. Amer. Math. Soc. 19 (1968), 782-786
DOI: https://doi.org/10.1090/S0002-9939-1968-0234268-3
Covering theorems and the axiom of choice
Arthur I. Fine
Proc. Amer. Math. Soc. 19 (1968), 787-788
DOI: https://doi.org/10.1090/S0002-9939-1968-0227024-3
Bernstein’s theorem for Banach spaces
Robert Welland
Proc. Amer. Math. Soc. 19 (1968), 789-792
DOI: https://doi.org/10.1090/S0002-9939-1968-0226371-9
Note on a theorem of Beuring
Max L. Weiss
Proc. Amer. Math. Soc. 19 (1968), 793-795
DOI: https://doi.org/10.1090/S0002-9939-1968-0227422-8
Blaschke quotients and normality
Joseph A. Cima and Peter Colwell
Proc. Amer. Math. Soc. 19 (1968), 796-798
DOI: https://doi.org/10.1090/S0002-9939-1968-0227423-X
On the entropy of isometries of compact metric spaces
J. W. England and N. F. G. Martin
Proc. Amer. Math. Soc. 19 (1968), 799-800
DOI: https://doi.org/10.1090/S0002-9939-1968-0231974-1
Completion of normed linear spaces
Kung-wei Yang
Proc. Amer. Math. Soc. 19 (1968), 801-806
DOI: https://doi.org/10.1090/S0002-9939-1968-0226372-0
On the identity in a measure algebra
L. J. Lardy
Proc. Amer. Math. Soc. 19 (1968), 807-810
DOI: https://doi.org/10.1090/S0002-9939-1968-0227782-8
On the roots of spectral operators
Constantin Apostol
Proc. Amer. Math. Soc. 19 (1968), 811-814
DOI: https://doi.org/10.1090/S0002-9939-1968-0232232-1
Recursive functions of one variable
Julia Robinson
Proc. Amer. Math. Soc. 19 (1968), 815-820
DOI: https://doi.org/10.1090/S0002-9939-1968-0230618-2
A topological approach to extreme points in function spaces
John Cantwell
Proc. Amer. Math. Soc. 19 (1968), 821-825
DOI: https://doi.org/10.1090/S0002-9939-1968-0229004-0
Completely reducible operators
Peter Rosenthal
Proc. Amer. Math. Soc. 19 (1968), 826-830
DOI: https://doi.org/10.1090/S0002-9939-1968-0231234-9
A remark on the intersection of shells
W. J. Stiles
Proc. Amer. Math. Soc. 19 (1968), 831-833
DOI: https://doi.org/10.1090/S0002-9939-1968-0228994-X
On criteria of definability
Walter Felscher
Proc. Amer. Math. Soc. 19 (1968), 834-836
DOI: https://doi.org/10.1090/S0002-9939-1968-0229513-4
Integral representations and refinement-unboundedness
William D. L. Appling
Proc. Amer. Math. Soc. 19 (1968), 837-842
DOI: https://doi.org/10.1090/S0002-9939-1968-0228647-8
Correction to: “Differentiability of sample functions in Gaussian processes”
J. Yeh
Proc. Amer. Math. Soc. 19 (1968), 843
DOI: https://doi.org/10.1090/S0002-9939-1968-0226724-9
On the existence of rigid compact ordered spaces
J. de Groot and M. A. Maurice
Proc. Amer. Math. Soc. 19 (1968), 844-846
DOI: https://doi.org/10.1090/S0002-9939-1968-0227947-5
Complete amonotonic decompositions of compact continua
Harvy Lee Baker
Proc. Amer. Math. Soc. 19 (1968), 847-853
DOI: https://doi.org/10.1090/S0002-9939-1968-0232353-3
On monotone unions of manifolds
P. H. Doyle
Proc. Amer. Math. Soc. 19 (1968), 854-856
DOI: https://doi.org/10.1090/S0002-9939-1968-0229219-1
The quaternion group in plane geometry
K. Sitaram
Proc. Amer. Math. Soc. 19 (1968), 857-858
DOI: https://doi.org/10.1090/S0002-9939-1968-0234346-9
Submersions and immersions with codimension one or two
Emery Thomas
Proc. Amer. Math. Soc. 19 (1968), 859-863
DOI: https://doi.org/10.1090/S0002-9939-1968-0229246-4
Quotients of completely regular spaces
C. J. Himmelberg
Proc. Amer. Math. Soc. 19 (1968), 864-866
DOI: https://doi.org/10.1090/S0002-9939-1968-0227926-8
Convex functions on convex polytopes
David Gale, Victor Klee and R. T. Rockafellar
Proc. Amer. Math. Soc. 19 (1968), 867-873
DOI: https://doi.org/10.1090/S0002-9939-1968-0230219-6
Homotopy groups for cellular set-valued functions
Choon Jai Rhee
Proc. Amer. Math. Soc. 19 (1968), 874-876
DOI: https://doi.org/10.1090/S0002-9939-1968-0227982-7
Extensions of totally bounded pseudometrics
R. A. Alò and H. L. Shapiro
Proc. Amer. Math. Soc. 19 (1968), 877-884
DOI: https://doi.org/10.1090/S0002-9939-1968-0232342-9
On the Borel fields of a finite set
Marlon Rayburn
Proc. Amer. Math. Soc. 19 (1968), 885-889
DOI: https://doi.org/10.1090/S0002-9939-1968-0227034-6
On closing manifolds fibered over surfaces
M. C. Thornton
Proc. Amer. Math. Soc. 19 (1968), 890-894
DOI: https://doi.org/10.1090/S0002-9939-1968-0227989-X
Uncountably many mildly wild non-Wilder arcs
Samuel J. Lomonaco
Proc. Amer. Math. Soc. 19 (1968), 895-898
DOI: https://doi.org/10.1090/S0002-9939-1968-0226610-4
Remarks on decompositions of categories
John R. Isbell
Proc. Amer. Math. Soc. 19 (1968), 899-904
DOI: https://doi.org/10.1090/S0002-9939-1968-0227246-1
On lifting transformation groups
F. Rhodes
Proc. Amer. Math. Soc. 19 (1968), 905-908
DOI: https://doi.org/10.1090/S0002-9939-1968-0236903-2
A note on a theorem of Ganea, Hilton and Peterson
C. S. Hoo
Proc. Amer. Math. Soc. 19 (1968), 909-911
DOI: https://doi.org/10.1090/S0002-9939-1968-0230313-X
One-variable equations in free groups
K. I. Appel
Proc. Amer. Math. Soc. 19 (1968), 912-918
DOI: https://doi.org/10.1090/S0002-9939-1968-0232826-3
On the flatness of complete formally projective modules
Satoshi Suzuki
Proc. Amer. Math. Soc. 19 (1968), 919-922
DOI: https://doi.org/10.1090/S0002-9939-1968-0227161-3
A counterexample to a theorem of Chase
Phillip Griffith
Proc. Amer. Math. Soc. 19 (1968), 923-924
DOI: https://doi.org/10.1090/S0002-9939-1968-0227271-0
On a conjecture of D. C. Murdoch concerning primary decompositions of an ideal
Kim Lin Chew
Proc. Amer. Math. Soc. 19 (1968), 925-932
DOI: https://doi.org/10.1090/S0002-9939-1968-0227212-6
A note on finite groups in which normality is transitive
Derek J. S. Robinson
Proc. Amer. Math. Soc. 19 (1968), 933-937
DOI: https://doi.org/10.1090/S0002-9939-1968-0230808-9
The asymptotic behavior of a decomposition due to Harzheim
T. S. Pitcher
Proc. Amer. Math. Soc. 19 (1968), 938-942
DOI: https://doi.org/10.1090/S0002-9939-1968-0225742-4
On the subring generated by the symmetric elements
W. E. Baxter
Proc. Amer. Math. Soc. 19 (1968), 943-947
DOI: https://doi.org/10.1090/S0002-9939-1968-0227228-X
Indices of maximal subgroups of infinite symmetric groups
Ralph W. Ball
Proc. Amer. Math. Soc. 19 (1968), 948-950
DOI: https://doi.org/10.1090/S0002-9939-1968-0229707-8
A note on weak Bezout rings
R. E. Williams
Proc. Amer. Math. Soc. 19 (1968), 951-952
DOI: https://doi.org/10.1090/S0002-9939-1968-0228528-X
Criteria for inner product spaces
Raymond W. Freese
Proc. Amer. Math. Soc. 19 (1968), 953-958
DOI: https://doi.org/10.1090/S0002-9939-1968-0227868-8
A theorem of nilpotent groups
Chong-yun Chao
Proc. Amer. Math. Soc. 19 (1968), 959-960
DOI: https://doi.org/10.1090/S0002-9939-1968-0229721-2
Regular elements in semiprime rings
R. E. Johnson and L. S. Levy
Proc. Amer. Math. Soc. 19 (1968), 961-963
DOI: https://doi.org/10.1090/S0002-9939-1968-0225818-1
A note on reduced Jordan algebras
Kevin McCrimmon
Proc. Amer. Math. Soc. 19 (1968), 964-970
DOI: https://doi.org/10.1090/S0002-9939-1968-0227241-2
An inequality between the permanent and the determinant
P. M. Gibson
Proc. Amer. Math. Soc. 19 (1968), 971-972
DOI: https://doi.org/10.1090/S0002-9939-1968-0229660-7
On generating heavy points with positive matrices
A. K. Snyder
Proc. Amer. Math. Soc. 19 (1968), 973-975
DOI: https://doi.org/10.1090/S0002-9939-1968-0227658-6
Isomorphisms of Pickert-Moulton planes
William A. Pierce
Proc. Amer. Math. Soc. 19 (1968), 976-980
DOI: https://doi.org/10.1090/S0002-9939-1968-0227857-3
A solution of Hadamard’s problem for a restricted class of operators
John E. Lagnese
Proc. Amer. Math. Soc. 19 (1968), 981-988
DOI: https://doi.org/10.1090/S0002-9939-1968-0231024-7
A strong comparison theorem for selfadjoint elliptic equations
Kurt Kreith
Proc. Amer. Math. Soc. 19 (1968), 989-990
DOI: https://doi.org/10.1090/S0002-9939-1968-0227594-5
Some results for Borel transforms
J. P. King
Proc. Amer. Math. Soc. 19 (1968), 991-997
DOI: https://doi.org/10.1090/S0002-9939-1968-0228880-5
The approximate solution of certain nonlinear differential equations
R. G. Huffstutler and F. Max Stein
Proc. Amer. Math. Soc. 19 (1968), 998-1002
DOI: https://doi.org/10.1090/S0002-9939-1968-0228897-0
Redei’s finiteness theorem for commutative semigroups
Peter Freyd
Proc. Amer. Math. Soc. 19 (1968), 1003
DOI: https://doi.org/10.1090/S0002-9939-1968-0227290-4
A note on my paper: “On symmetric matrices whose eigenvalues satisfy linear inequalities”
Fritz John
Proc. Amer. Math. Soc. 19 (1968), 1004
DOI: https://doi.org/10.1090/S0002-9939-1968-0229667-X
On the existence theorem for differential equations
Joel W. Robbin
Proc. Amer. Math. Soc. 19 (1968), 1005-1006
DOI: https://doi.org/10.1090/S0002-9939-1968-0227583-0