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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)

Contents of Volume 33, Number 1

All articles in this issue are freely accessible.
View front matter and back matter from the print issue of this journal View front and back matter from the print issue
Band decompositions of semigroups
Mohan S. Putcha and Julian Weissglass.
Proc. Amer. Math. Soc. 33 (1972), 1-7
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MathSciNet review: 0291335
Ideals in halfrings
H. E. Stone.
Proc. Amer. Math. Soc. 33 (1972), 8-14
Abstract, references and article information
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MathSciNet review: 0291228
On groups of exponent four. III
N. D. Gupta and R. B. Quintana.
Proc. Amer. Math. Soc. 33 (1972), 15-19
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MathSciNet review: 0292919
On an identity of Eckford Cohen
M. V. Subbarao and D. Suryanarayana.
Proc. Amer. Math. Soc. 33 (1972), 20-24
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MathSciNet review: 0292778
A coefficient ring for finite non-commutative rings
W. Edwin Clark.
Proc. Amer. Math. Soc. 33 (1972), 25-28
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MathSciNet review: 0294411
An “extra” law for characterizing Moufang loops
Orin Chein and D. A. Robinson.
Proc. Amer. Math. Soc. 33 (1972), 29-32
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MathSciNet review: 0292987
A note on $K$-commutativity of matrices
Edmond Dale Dixon and Nancy Wong.
Proc. Amer. Math. Soc. 33 (1972), 33-38
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MathSciNet review: 0292864
Bi-unitary perfect numbers
Charles R. Wall.
Proc. Amer. Math. Soc. 33 (1972), 39-42
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MathSciNet review: 0289403
A characterization of groups with isomorphic subgroups
Donald W. Miller.
Proc. Amer. Math. Soc. 33 (1972), 43-45
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MathSciNet review: 0292930
Gronwall’s inequality for systems of partial differential equations in two independent variables
Donald R. Snow.
Proc. Amer. Math. Soc. 33 (1972), 46-54
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MathSciNet review: 0298188
On the Fredholm alternative for nonlinear functional equations in Banach spaces
Peter Hess.
Proc. Amer. Math. Soc. 33 (1972), 55-61
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MathSciNet review: 0301585
On the extremal solutions of $n$th-order linear differential equations
W. J. Kim.
Proc. Amer. Math. Soc. 33 (1972), 62-68
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MathSciNet review: 0294780
Stability of solutions of linear systems with dominant main diagonal
Charles Kahane.
Proc. Amer. Math. Soc. 33 (1972), 69-71
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MathSciNet review: 0294799
Perturbations of dissipative operators with relative bound one
Paul R. Chernoff.
Proc. Amer. Math. Soc. 33 (1972), 72-74
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MathSciNet review: 0296745
A conjugacy criterion
Robert R. Stevens.
Proc. Amer. Math. Soc. 33 (1972), 75-80
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MathSciNet review: 0289860
On spaces with norms of negative and positive order
Gideon Peyser.
Proc. Amer. Math. Soc. 33 (1972), 81-88
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MathSciNet review: 0296665
Application of a lemma on bilinear forms to a problem in nonlinear oscillations
A. C. Lazer.
Proc. Amer. Math. Soc. 33 (1972), 89-94
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MathSciNet review: 0293179
Unitary groups and commutators
Robert M. Kauffman.
Proc. Amer. Math. Soc. 33 (1972), 95-100
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MathSciNet review: 0290167
Oscillation of solutions of a generalized Liénard equation
Donald C. Benson.
Proc. Amer. Math. Soc. 33 (1972), 101-106
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MathSciNet review: 0291553
On a converse of Young’s inequality
Ih Ching Hsu.
Proc. Amer. Math. Soc. 33 (1972), 107-108
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MathSciNet review: 0291383
Cyclic vectors of a cyclic operator span the space
L. Gehér.
Proc. Amer. Math. Soc. 33 (1972), 109-110
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MathSciNet review: 0290131
A note on the asymptotic behavior of an integral equation
Carol Shilepsky.
Proc. Amer. Math. Soc. 33 (1972), 111-113
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MathSciNet review: 0306851
A spherical surface measure inequality for convex sets
Charles Fefferman, Max Jodeit and Michael D. Perlman.
Proc. Amer. Math. Soc. 33 (1972), 114-119
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MathSciNet review: 0293500
Differentiable functions and rough norms on Banach spaces
E. B. Leach and J. H. M. Whitfield.
Proc. Amer. Math. Soc. 33 (1972), 120-126
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MathSciNet review: 0293394
Spaces with given homeomorphism groups
M. C. Thornton.
Proc. Amer. Math. Soc. 33 (1972), 127-131
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MathSciNet review: 0292054
Hereditary ball-covers for some Banach manifolds
James E. West.
Proc. Amer. Math. Soc. 33 (1972), 132-136
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MathSciNet review: 0336747
Isotopic closed nonconjugate braids
K. Murasugi and R. S. D. Thomas.
Proc. Amer. Math. Soc. 33 (1972), 137-139
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MathSciNet review: 0292061
On torsion in $H$-spaces of rank two
Kai K. Dai.
Proc. Amer. Math. Soc. 33 (1972), 140-142
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MathSciNet review: 0290360
A fixed point theorem for $(n-2)$-connected $n$-polyhedra
Roger Waggoner.
Proc. Amer. Math. Soc. 33 (1972), 143-145
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MathSciNet review: 0293622
Common fixed-points for equicontinuous semigroups of mappings
Theodore Mitchell.
Proc. Amer. Math. Soc. 33 (1972), 146-150
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MathSciNet review: 0289735
Homotopy types of the deleted product of unions of two simplexes
W. T. Whitley.
Proc. Amer. Math. Soc. 33 (1972), 151-155
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MathSciNet review: 0292078
Some fixed point results for $UV$ decompositions of compact metric spaces
John Cobb and William Voxman.
Proc. Amer. Math. Soc. 33 (1972), 156-160
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MathSciNet review: 0290340
Cauchy sequences in semimetric spaces
Dennis K. Burke.
Proc. Amer. Math. Soc. 33 (1972), 161-164
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MathSciNet review: 0290328
Weak disjointness of transformation groups
Reuven Peleg.
Proc. Amer. Math. Soc. 33 (1972), 165-170
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MathSciNet review: 0298642
Shelling $3$-cells in compact triangulated $3$-manifolds
L. B. Treybig.
Proc. Amer. Math. Soc. 33 (1972), 171-174
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MathSciNet review: 0290374
The lattice of ideals of a compact semilattice
A. R. Stralka.
Proc. Amer. Math. Soc. 33 (1972), 175-180
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MathSciNet review: 0308325
Almost continuous real functions
K. R. Kellum and B. D. Garrett.
Proc. Amer. Math. Soc. 33 (1972), 181-184
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MathSciNet review: 0293026
Conditions implying continuity of open and closed functions
Ivan Baggs.
Proc. Amer. Math. Soc. 33 (1972), 185-190
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MathSciNet review: 0292041
A necessary and sufficient condition for $𝛽X\X$ to be an indecomposable continuum
R. F. Dickman.
Proc. Amer. Math. Soc. 33 (1972), 191-194
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MathSciNet review: 0295296
A set-theoretic proposition implying the metrizability of normal Moore spaces
Franklin D. Tall.
Proc. Amer. Math. Soc. 33 (1972), 195-198
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MathSciNet review: 0300239
A Baire space extension
R. A. McCoy.
Proc. Amer. Math. Soc. 33 (1972), 199-202
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MathSciNet review: 0293569
Embedding partially ordered spaces in topological semilattices
Lloyd D. Tucker.
Proc. Amer. Math. Soc. 33 (1972), 203-206
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MathSciNet review: 0292724
A note on Lévy’s Brownian process on the Hilbert sphere
Peggy Tang Strait.
Proc. Amer. Math. Soc. 33 (1972), 207-209
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MathSciNet review: 0290465
Unexpected behavior for solutions of a second order, selfadjoint equation
H. Arthur DeKleine.
Proc. Amer. Math. Soc. 33 (1972), 210
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MathSciNet review: 0293164
Fiber homotopic trivial bundles over complex projective spaces
Kee Yuen Lam.
Proc. Amer. Math. Soc. 33 (1972), 211-212
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MathSciNet review: 0293654