Contents of Volume 80, Number 4
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- Quotient rings of a ring and a subring which have a common right ideal
- Jay Shapiro
- Proc. Amer. Math. Soc. 80 (1980), 537-543
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587922-3
- Zero-diminishing linear transformations
- Thomas Craven and George Csordas
- Proc. Amer. Math. Soc. 80 (1980), 544-546
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587923-5
- Cohomological dimension of an abelian monoid
- Charles Ching-an Cheng and Jay Shapiro
- Proc. Amer. Math. Soc. 80 (1980), 547-551
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587924-7
- Semilocal skew group rings
- Jan Okniński
- Proc. Amer. Math. Soc. 80 (1980), 552-554
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587925-9
- Asymptotic prime divisors and analytic spreads
- Stephen McAdam
- Proc. Amer. Math. Soc. 80 (1980), 555-559
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587926-0
- The automorphism group of a near-ring
- S. D. Scott
- Proc. Amer. Math. Soc. 80 (1980), 560-562
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587927-2
- On bialgebras which are simple Hopf modules
- David E. Radford
- Proc. Amer. Math. Soc. 80 (1980), 563-568
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587928-4
- Beware the phony multiplication on Quillen’s $\mathcal {A}^{-1}\mathcal {A}$
- R. W. Thomason
- Proc. Amer. Math. Soc. 80 (1980), 569-573
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587929-6
- Weak continuity of invariant measures for a class of piecewise monotonic transformations
- Abraham Boyarsky and Sarah Cooper
- Proc. Amer. Math. Soc. 80 (1980), 574-576
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587930-2
- Mixed norm $n$-widths
- C. de Boor, R. DeVore and K. Höllig
- Proc. Amer. Math. Soc. 80 (1980), 577-583
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587931-4
- Trace and the regular ring of a finite $AW^{\ast }$-algebra
- S. K. Berberian
- Proc. Amer. Math. Soc. 80 (1980), 584-586
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587932-6
- Asymptotic behavior of solutions for a parabolic equation with nonlinear boundary conditions
- C. V. Pao
- Proc. Amer. Math. Soc. 80 (1980), 587-593
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587933-8
- Two new extremal properties of the Koebe-function
- R. Klouth and K.-J. Wirths
- Proc. Amer. Math. Soc. 80 (1980), 594-596
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587934-X
- Hyperfinite-dimensional subspaces of the nonstandard hull of $c_{0}$
- L. C. Moore
- Proc. Amer. Math. Soc. 80 (1980), 597-603
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587935-1
- Nonnormal Dirichlet quotients and nonnormal Blaschke quotients
- Shinji Yamashita
- Proc. Amer. Math. Soc. 80 (1980), 604-606
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587936-3
- Convex and starlike meromorphic functions
- James Miller
- Proc. Amer. Math. Soc. 80 (1980), 607-613
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587937-5
- On finitely generated and projective extensions of Banach algebras
- Joan Verdera
- Proc. Amer. Math. Soc. 80 (1980), 614-620
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587938-7
- Finite groups and invariant solutions to one-dimensional Plateau problems
- David Bindschadler
- Proc. Amer. Math. Soc. 80 (1980), 621-626
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587939-9
- On one-sided harmonic analysis
- Rolf Wim Henrichs
- Proc. Amer. Math. Soc. 80 (1980), 627-630
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587940-5
- Renorming the Banach space $c_{0}$
- Robert C. James
- Proc. Amer. Math. Soc. 80 (1980), 631-634
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587941-7
- Fixed points in nonconvex domains
- Eric Chandler and Gary Faulkner
- Proc. Amer. Math. Soc. 80 (1980), 635-638
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587942-9
- Best approximation in certain Douglas algebras
- Rahman Younis
- Proc. Amer. Math. Soc. 80 (1980), 639-642
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587943-0
- A Runge theorem for solutions of the heat equation
- R. Diaz
- Proc. Amer. Math. Soc. 80 (1980), 643-646
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587944-2
- Existence theorems on unbounded sets in Banach spaces
- Norimichi Hirano and Wataru Takahashi
- Proc. Amer. Math. Soc. 80 (1980), 647-650
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587945-4
- On a criterion for the univalence of holomorphic functions
- Kee Wai Lau and Ming Chit Liu
- Proc. Amer. Math. Soc. 80 (1980), 651-652
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587946-6
- On operator ranges
- Bhushan L. Wadhwa
- Proc. Amer. Math. Soc. 80 (1980), 653-654
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587947-8
- A note on analytic sets
- John R. Steel
- Proc. Amer. Math. Soc. 80 (1980), 655-657
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587948-X
- Prediction $n$ units of time ahead
- Takahiko Nakazi and Katutoshi Takahashi
- Proc. Amer. Math. Soc. 80 (1980), 658-659
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587949-1
- Note on sequences of Mayer-Vietoris type
- Eldon Dyer and Joseph Roitberg
- Proc. Amer. Math. Soc. 80 (1980), 660-662
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587950-8
- Some remarks on projective Stiefel manifolds, immersions of projective spaces and spheres
- Larry Smith
- Proc. Amer. Math. Soc. 80 (1980), 663-669
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587951-X
- Equivariant maps which are self homotopy equivalences
- E. Dror, W. G. Dwyer and D. M. Kan
- Proc. Amer. Math. Soc. 80 (1980), 670-672
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587952-1
- Linear vector fields on $\tilde {G}_k(\mathbf {R}^n)$
- Maria Luiza Leite and Isabel Dotti de Miatello
- Proc. Amer. Math. Soc. 80 (1980), 673-677
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587953-3
- The weight of a pseudocompact (homogeneous) space whose cardinality has countable cofinality
- Eric K. van Douwen
- Proc. Amer. Math. Soc. 80 (1980), 678-682
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587954-5
- Nonexistence theorems of higher order immersions of Dold manifolds
- Teiichi Kobayashi
- Proc. Amer. Math. Soc. 80 (1980), 683-686
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587955-7
- $S$-sets and $S$-perfect mappings
- R. F. Dickman and R. L. Krystock
- Proc. Amer. Math. Soc. 80 (1980), 687-692
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587956-9
- Paracompactness in perfectly normal, locally connected, locally compact spaces
- Diane J. Lane
- Proc. Amer. Math. Soc. 80 (1980), 693-696
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587957-0
- On nowhere dense ccc $P$-sets
- Alan Dow and Jan van Mill
- Proc. Amer. Math. Soc. 80 (1980), 697-700
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587958-2
- When $U(\kappa )$ can be mapped onto $U(\omega )$
- Jan van Mill
- Proc. Amer. Math. Soc. 80 (1980), 701-702
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587959-4
- A Peano continuum homeomorphic to its own square but not to its countable infinite product
- Jan van Mill
- Proc. Amer. Math. Soc. 80 (1980), 703-705
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587960-0
- Invariant sets for classes of matrices of zeros and ones
- Richard A. Brualdi and Jeffrey A. Ross
- Proc. Amer. Math. Soc. 80 (1980), 706-710
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587961-2
- A note on sum-free sets of integers
- Mên Ch’ang Hu
- Proc. Amer. Math. Soc. 80 (1980), 711-712
- DOI: https://doi.org/10.1090/S0002-9939-1980-0587962-4