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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 2

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
Unique factorization in partially ordered sets
Jorge Martinez.
Proc. Amer. Math. Soc. 33 (1972), 213-220
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MathSciNet review: 0292723
On the ring of quotients of a group ring
D. S. Passman.
Proc. Amer. Math. Soc. 33 (1972), 221-225
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MathSciNet review: 0299634
A stronger Bertrand’s postulate with an application to partitions
Robert E. Dressler.
Proc. Amer. Math. Soc. 33 (1972), 226-228
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MathSciNet review: 0292746
On polynomials which commute with a given polynomial
William M. Boyce.
Proc. Amer. Math. Soc. 33 (1972), 229-234
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MathSciNet review: 0291138
Rings whose quasi-injective modules are injective
K. A. Byrd.
Proc. Amer. Math. Soc. 33 (1972), 235-240
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MathSciNet review: 0310009
Balanced colourings and the four colour conjecture
J. A. Bondy.
Proc. Amer. Math. Soc. 33 (1972), 241-244
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MathSciNet review: 0294173
A lower bound for the permanent of a $(0,1)$-matrix
P. M. Gibson.
Proc. Amer. Math. Soc. 33 (1972), 245-246
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MathSciNet review: 0294360
More properties inherited by the lower radical
R. F. Rossa.
Proc. Amer. Math. Soc. 33 (1972), 247-249
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MathSciNet review: 0296117
Integrally closed and complete ordered quasigroups and loops
Phillip A. Hartman.
Proc. Amer. Math. Soc. 33 (1972), 250-256
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MathSciNet review: 0295985
Coalgebras, sheaves, and cohomology
D. H. Van Osdol.
Proc. Amer. Math. Soc. 33 (1972), 257-263
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MathSciNet review: 0294447
Rings with involution whose symmetric elements are regular
Charles Lanski.
Proc. Amer. Math. Soc. 33 (1972), 264-270
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MathSciNet review: 0292889
Categorical semigroups
F. R. McMorris and M. Satyanarayana.
Proc. Amer. Math. Soc. 33 (1972), 271-277
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MathSciNet review: 0292980
The graph extension theorem
Ernest Shult.
Proc. Amer. Math. Soc. 33 (1972), 278-284
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MathSciNet review: 0294477
An ideal criterion for torsion freeness
Mark Bridger.
Proc. Amer. Math. Soc. 33 (1972), 285-291
Abstract, references and article information
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MathSciNet review: 0301001
On perfect subfields over which a field is separably generated
David Jacobson.
Proc. Amer. Math. Soc. 33 (1972), 292-296
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MathSciNet review: 0294304
On one-relator groups having elements of finite order
J. Fischer, A. Karrass and D. Solitar.
Proc. Amer. Math. Soc. 33 (1972), 297-301
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MathSciNet review: 0311780
Hereditary radicals in Jordan rings
Robert Lewand.
Proc. Amer. Math. Soc. 33 (1972), 302-306
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MathSciNet review: 0294430
Note on the projective limit on small categories
Olav Arnfinn Laudal.
Proc. Amer. Math. Soc. 33 (1972), 307-309
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MathSciNet review: 0291241
Finite group schemes over fields
Raymond T. Hoobler and Andy R. Magid.
Proc. Amer. Math. Soc. 33 (1972), 310-312
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MathSciNet review: 0291254
Regular rings and integral extension of a regular ring
Edward T. Wong.
Proc. Amer. Math. Soc. 33 (1972), 313-315
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MathSciNet review: 0294405
On $\mathcal{F}$-abnormal maximal subgroups of a finite solvable group
Paul Venzke.
Proc. Amer. Math. Soc. 33 (1972), 316-318
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MathSciNet review: 0291290
Implicative homomorphisms with finite ranges
William C. Nemitz.
Proc. Amer. Math. Soc. 33 (1972), 319-322
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MathSciNet review: 0307992
On the radical of the group algebra of a $p$-group over a modular field
Gail L. Carns and Chong-yun Chao.
Proc. Amer. Math. Soc. 33 (1972), 323-328
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MathSciNet review: 0294521
The conjugacy problem for the group of any tame alternating knot is solvable
K. I. Appel and P. E. Schupp.
Proc. Amer. Math. Soc. 33 (1972), 329-336
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MathSciNet review: 0294460
Normally closed saturated formations
Mark P. Hale.
Proc. Amer. Math. Soc. 33 (1972), 337-342
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MathSciNet review: 0291271
On meromorphic functions commuting with elements of a function group
John Roderick Smart.
Proc. Amer. Math. Soc. 33 (1972), 343-348
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MathSciNet review: 0293086
Projecting $C(S)$ onto $C_{0}(S)$
H. Banilower.
Proc. Amer. Math. Soc. 33 (1972), 349-354
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MathSciNet review: 0295062
Common fixed point theorems for almost weakly periodic nonexpansive mappings
Kok Keong Tan.
Proc. Amer. Math. Soc. 33 (1972), 355-360
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MathSciNet review: 0295169
Annihilator ideals in the cohomology of Banach algebras
A. M. Sinclair.
Proc. Amer. Math. Soc. 33 (1972), 361-366
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MathSciNet review: 0295096
Asymptotic estimates of the $n$-widths in Hilbert space
Joseph W. Jerome.
Proc. Amer. Math. Soc. 33 (1972), 367-372
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MathSciNet review: 0296583
Compact multilinear transformations
Nishan Krikorian.
Proc. Amer. Math. Soc. 33 (1972), 373-376
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MathSciNet review: 0295076
Maintenance of oscillations under the effect of a periodic forcing term
Athanassios G. Kartsatos.
Proc. Amer. Math. Soc. 33 (1972), 377-383
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MathSciNet review: 0330622
An eigenvalue problem for the Stieltjes mean sigma-integral related to Gronwall’s inequality
Jeffrey R. Kroll and Keith P. Smith.
Proc. Amer. Math. Soc. 33 (1972), 384-388
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MathSciNet review: 0291742
A note on polynomial hulls
H. Alexander.
Proc. Amer. Math. Soc. 33 (1972), 389-391
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MathSciNet review: 0294689
The Schwarzian derivative and univalent functions
Shigeo Ozaki and Mamoru Nunokawa.
Proc. Amer. Math. Soc. 33 (1972), 392-394
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MathSciNet review: 0299773
On the Lebedev-Milin inequality
Mishael Zedek.
Proc. Amer. Math. Soc. 33 (1972), 395-397
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MathSciNet review: 0294608
A note on polyhedral Banach spaces
Alan Gleit and Robert McGuigan.
Proc. Amer. Math. Soc. 33 (1972), 398-404
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MathSciNet review: 0295055
On Weyl’s theorem and its converse
Matthew C. Y. Lee.
Proc. Amer. Math. Soc. 33 (1972), 405-409
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MathSciNet review: 0296739
Homomorphisms of rings of germs of analytic functions
William R. Zame.
Proc. Amer. Math. Soc. 33 (1972), 410-414
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MathSciNet review: 0289808
Double commutants of algebraic operators
T. Rolf Turner.
Proc. Amer. Math. Soc. 33 (1972), 415-419
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MathSciNet review: 0291863
A property of $y”’+p(x)y^{’} +1\over2p^{’} (x)y=0$
Gary D. Jones.
Proc. Amer. Math. Soc. 33 (1972), 420-422
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MathSciNet review: 0293170
Normability of certain topological rings
Seth Warner.
Proc. Amer. Math. Soc. 33 (1972), 423-427
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MathSciNet review: 0296114
Boundary behavior of starlike functions
P. J. Eenigenburg.
Proc. Amer. Math. Soc. 33 (1972), 428-432
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MathSciNet review: 0293098
Convex functions and harmonic maps
William B. Gordon.
Proc. Amer. Math. Soc. 33 (1972), 433-437
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MathSciNet review: 0291987
Coefficients for the area theorem
A. W. Goodman.
Proc. Amer. Math. Soc. 33 (1972), 438-444
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MathSciNet review: 0291437
Singularities of a class of meromorphic functions
Nicholas P. Callas and W. J. Thron.
Proc. Amer. Math. Soc. 33 (1972), 445-454
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MathSciNet review: 0291420
An extremal problem for functions with positive real part
R. S. Gupta.
Proc. Amer. Math. Soc. 33 (1972), 455-462
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MathSciNet review: 0293088
On the coefficients of starlike functions
Finbarr Holland.
Proc. Amer. Math. Soc. 33 (1972), 463-470
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MathSciNet review: 0291438
On the saturation class for spline functions
Franklin Richards.
Proc. Amer. Math. Soc. 33 (1972), 471-476
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MathSciNet review: 0294958
On the arithmetic mean of Fourier-Stieltjes coefficients
Constantine Georgakis.
Proc. Amer. Math. Soc. 33 (1972), 477-484
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MathSciNet review: 0298319
Equivalence of projections
S. K. Berberian.
Proc. Amer. Math. Soc. 33 (1972), 485-490
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MathSciNet review: 0295090
Pure states with the restriction property
Bruce A. Barnes.
Proc. Amer. Math. Soc. 33 (1972), 491-494
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MathSciNet review: 0295089
On oscillations for solutions of $n$th order differential equations
H. Onose.
Proc. Amer. Math. Soc. 33 (1972), 495-500
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MathSciNet review: 0296419
Strict essential minima
R. J. O’Malley.
Proc. Amer. Math. Soc. 33 (1972), 501-504
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MathSciNet review: 0291400
The entire functions separate $𝛽C$
J. J. Kelleher and B. A. Taylor.
Proc. Amer. Math. Soc. 33 (1972), 505-506
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MathSciNet review: 0296283
Mixtures of nonatomic measures
K. P. S. Bhaskara Rao and M. Bhaskara Rao.
Proc. Amer. Math. Soc. 33 (1972), 507-510
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MathSciNet review: 0293048
Quadrature-Galerkin approximations to solutions of elliptic differential equations
Martin H. Schultz.
Proc. Amer. Math. Soc. 33 (1972), 511-515
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MathSciNet review: 0315919
Linear isotropy group of an affine symmetric space
Jun Nagasawa.
Proc. Amer. Math. Soc. 33 (1972), 516-519
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MathSciNet review: 0296860
A note on rigid substructures
R. J. Parikh.
Proc. Amer. Math. Soc. 33 (1972), 520-522
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MathSciNet review: 0294112
On the lower bound of the number of real roots of a random algebraic equation with infinite variance
G. Samal and M. N. Mishra.
Proc. Amer. Math. Soc. 33 (1972), 523-528
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MathSciNet review: 0295411
The convergence determining class of connected open sets in product spaces
Dieter Landers.
Proc. Amer. Math. Soc. 33 (1972), 529-533
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MathSciNet review: 0298718
A random Fredholm integral equation
W. J. Padgett and Chris P. Tsokos.
Proc. Amer. Math. Soc. 33 (1972), 534-542
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MathSciNet review: 0292197
Applications of nilmanifold theory to Diophantine approximations
Jonathan Brezin.
Proc. Amer. Math. Soc. 33 (1972), 543-547
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MathSciNet review: 0311587
The signature of fiber bundles
James A. Schafer.
Proc. Amer. Math. Soc. 33 (1972), 548-550
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MathSciNet review: 0324696
Cohomology operations on $p$-fold sums
Emery Thomas.
Proc. Amer. Math. Soc. 33 (1972), 551-553
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MathSciNet review: 0290356
A dual to the bordism concept
R. E. Stong.
Proc. Amer. Math. Soc. 33 (1972), 554-556
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MathSciNet review: 0298675
Retractions and quasi-monotone mappings of unicoherent spaces
M. M. McWaters and J. H. Reed.
Proc. Amer. Math. Soc. 33 (1972), 557-561
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MathSciNet review: 0298628
Maps between topological groups that are homotopic to homomorphisms
Wladimiro Scheffer.
Proc. Amer. Math. Soc. 33 (1972), 562-567
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MathSciNet review: 0301130
Unitary bordism of abelian groups
Erich Ossa.
Proc. Amer. Math. Soc. 33 (1972), 568-571
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MathSciNet review: 0293666
Extensions of left uniformly continuous functions on a topological semigroup
Samuel J. Wiley.
Proc. Amer. Math. Soc. 33 (1972), 572-575
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MathSciNet review: 0296672
$PL$ involutions of some $3$-manifolds
Myung Mi Myung.
Proc. Amer. Math. Soc. 33 (1972), 576-581
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MathSciNet review: 0295363
Quotient and pseudo-open images of separable metric spaces
Paul L. Strong.
Proc. Amer. Math. Soc. 33 (1972), 582-586
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MathSciNet review: 0300253
Some Wallman compactifications determined by retracts
H. L. Bentley.
Proc. Amer. Math. Soc. 33 (1972), 587-593
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MathSciNet review: 0293588
On compactness in function spaces
Giovanni Vidossich.
Proc. Amer. Math. Soc. 33 (1972), 594-598
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MathSciNet review: 0293575
Properties of Stone-Čech compactifications of discrete spaces
Nancy M. Warren.
Proc. Amer. Math. Soc. 33 (1972), 599-606
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MathSciNet review: 0292035
On averaging Lefschetz numbers
U. Kurt Scholz.
Proc. Amer. Math. Soc. 33 (1972), 607-612
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MathSciNet review: 0343262
Splitting in map groups
Lewis Robertson and Theodore W. Wilcox.
Proc. Amer. Math. Soc. 33 (1972), 613-618
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MathSciNet review: 0296210
Strongly semi-aposyndetic continua are hereditarily locally connected
Eldon J. Vought.
Proc. Amer. Math. Soc. 33 (1972), 619-622
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MathSciNet review: 0362258
On a construction of Bredon
Joseph Roitberg.
Proc. Amer. Math. Soc. 33 (1972), 623-626
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MathSciNet review: 0295370
On Liapunov’s inequality
Walter Leighton.
Proc. Amer. Math. Soc. 33 (1972), 627-628
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MathSciNet review: 0291582