Contents of Volume 20, Number 1
All articles in this issue are freely accessible.
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- Approximating semigroups and the consistency of difference schemes
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Gilbert Strang.
Proc. Amer. Math. Soc. 20 (1969), 1-7
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MathSciNet review: 0233239
- A coefficient inequality for certain classes of analytic functions
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F. R. Keogh and E. P. Merkes.
Proc. Amer. Math. Soc. 20 (1969), 8-12
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MathSciNet review: 0232926
- A theorem on infinite positive matrices
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E. Netanyahu and M. Reichaw.
Proc. Amer. Math. Soc. 20 (1969), 13-15
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MathSciNet review: 0236203
- A problem of Wiener and the failure of a principle for Fourier series with positive coefficients
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Stephen Wainger.
Proc. Amer. Math. Soc. 20 (1969), 16-18
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MathSciNet review: 0236397
- Minimal solutions to a class of parabolic partial differential equations
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T. Guinn and E. M. Landesman.
Proc. Amer. Math. Soc. 20 (1969), 19-23
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MathSciNet review: 0235286
- Ellipticity and regularity for periodic nonlinear equations
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Robert A. Adams.
Proc. Amer. Math. Soc. 20 (1969), 24-26
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MathSciNet review: 0243191
- A uniqueness theorem for some nonlinear boundary value problems
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A. Kadish.
Proc. Amer. Math. Soc. 20 (1969), 27-29
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MathSciNet review: 0233072
- A note on eigenvalues of normal transformations
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R. E. L. Turner.
Proc. Amer. Math. Soc. 20 (1969), 30-34
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MathSciNet review: 0240654
- Weierstrass points and analytic submanifolds of Teichmueller space
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H. M. Farkas.
Proc. Amer. Math. Soc. 20 (1969), 35-38
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MathSciNet review: 0232928
- A note on the Littlewood-Tauber theorem
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M. L. Glasser.
Proc. Amer. Math. Soc. 20 (1969), 39-40
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MathSciNet review: 0233111
- Normal operators
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Myron Goldstein.
Proc. Amer. Math. Soc. 20 (1969), 41-44
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MathSciNet review: 0251214
- On a theorem of Fejér and Riesz
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F. R. Keogh.
Proc. Amer. Math. Soc. 20 (1969), 45-50
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MathSciNet review: 0247013
- Almost convergent and almost summable sequences
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Paul Schaefer.
Proc. Amer. Math. Soc. 20 (1969), 51-54
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MathSciNet review: 0235340
- The approximate divergence operator
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Victor L. Shapiro.
Proc. Amer. Math. Soc. 20 (1969), 55-60
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MathSciNet review: 0236623
- Comparison theorems and integral inequalities for Volterra integral equations
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Paul R. Beesack.
Proc. Amer. Math. Soc. 20 (1969), 61-66
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MathSciNet review: 0234228
- Oscillation theorems for linear second order ordinary differential equations
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J. W. Macki and J. S. W. Wong.
Proc. Amer. Math. Soc. 20 (1969), 67-72
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MathSciNet review: 0235202
- Eigenvalue of the square of a function
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A. M. Fink.
Proc. Amer. Math. Soc. 20 (1969), 73-74
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MathSciNet review: 0234046
- Extending real maps defined on a subset of a disk
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B. J. Ball, Jo Ford and E. S. Thomas.
Proc. Amer. Math. Soc. 20 (1969), 75-80
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MathSciNet review: 0235538
- The area and variation of linearly continuous functions
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William P. Ziemer.
Proc. Amer. Math. Soc. 20 (1969), 81-87
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MathSciNet review: 0233959
- Some properties of a generalized Hausdorff mean
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C. W. Leininger.
Proc. Amer. Math. Soc. 20 (1969), 88-96
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MathSciNet review: 0234163
- Convergence-preservation criteria for a generalized Hausdorff mean.
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C. W. Leininger.
Proc. Amer. Math. Soc. 20 (1969), 97-100
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MathSciNet review: 0234164
- Totally bounded sets of precompact linear operators
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Theodore W. Palmer.
Proc. Amer. Math. Soc. 20 (1969), 101-106
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MathSciNet review: 0235425
- Product solutions for simple games. II
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T. Parthasarathy.
Proc. Amer. Math. Soc. 20 (1969), 107-114
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MathSciNet review: 0378867
- The operator equation $BX-XA=Q$ with self-adjoint $A$ and $B$
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Marvin Rosenblum.
Proc. Amer. Math. Soc. 20 (1969), 115-120
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MathSciNet review: 0233214
- Operators similar to their adjoints
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James P. Williams.
Proc. Amer. Math. Soc. 20 (1969), 121-123
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MathSciNet review: 0233230
- Weak compactness of measures
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Benjamin B. Wells.
Proc. Amer. Math. Soc. 20 (1969), 124-130
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MathSciNet review: 0238067
- Sums of irreducible operators
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Peter A. Fillmore and David M. Topping.
Proc. Amer. Math. Soc. 20 (1969), 131-133
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MathSciNet review: 0233226
- Charlier spaces of entire functions
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Louis de Branges and David Trutt.
Proc. Amer. Math. Soc. 20 (1969), 134-140
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MathSciNet review: 0626531
- Fixed-point theorems for certain classes of nonexpansive mappings
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L. P. Belluce and W. A. Kirk.
Proc. Amer. Math. Soc. 20 (1969), 141-146
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MathSciNet review: 0233341
- Density of one graph along another
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Jack B. Brown.
Proc. Amer. Math. Soc. 20 (1969), 147-149
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MathSciNet review: 0232897
- Pointed minimal sets and $S$-regularity
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Brindell Horelick.
Proc. Amer. Math. Soc. 20 (1969), 150-156
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MathSciNet review: 0235546
- On an arcwise connected subgroup of a Lie group
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Morikuni Goto.
Proc. Amer. Math. Soc. 20 (1969), 157-162
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MathSciNet review: 0233923
- A remark on a theorem of A. Weil
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Morikuni Goto.
Proc. Amer. Math. Soc. 20 (1969), 163-165
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MathSciNet review: 0232888
- Continuous derivations on Banach algebras
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A. M. Sinclair.
Proc. Amer. Math. Soc. 20 (1969), 166-170
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MathSciNet review: 0233207
- A theorem on the Hurewicz fiberings
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Soon-kyu Kim.
Proc. Amer. Math. Soc. 20 (1969), 171-174
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MathSciNet review: 0233356
- A lower bound for the dimension of certain $G_{𝛿}$ sets in completely normal spaces
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James B. Wilkinson.
Proc. Amer. Math. Soc. 20 (1969), 175-178
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MathSciNet review: 0238283
- Structure of hereditarily infinite dimensional spaces
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J. M. Yohe.
Proc. Amer. Math. Soc. 20 (1969), 179-184
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MathSciNet review: 0236896
- On reconstructing a graph
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Robert L. Hemminger.
Proc. Amer. Math. Soc. 20 (1969), 185-187
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MathSciNet review: 0232696
- A differential in the Adams spectral sequence
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Daniel S. Kahn.
Proc. Amer. Math. Soc. 20 (1969), 188-190
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MathSciNet review: 0235562
- On topological transformation groups
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Lloyd Lininger.
Proc. Amer. Math. Soc. 20 (1969), 191-192
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MathSciNet review: 0235544
- Valuations on a commutative ring
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Merle E. Manis.
Proc. Amer. Math. Soc. 20 (1969), 193-198
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MathSciNet review: 0233813
- Rigidity of generalized uniserial and Frobenius algebras
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S. S. Page.
Proc. Amer. Math. Soc. 20 (1969), 199-202
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MathSciNet review: 0236246
- Formations of group and $𝜋$-decomposability
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H. Lausch.
Proc. Amer. Math. Soc. 20 (1969), 203-206
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MathSciNet review: 0233891
- Determinants on semilattices
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Bernt Lindström.
Proc. Amer. Math. Soc. 20 (1969), 207-208
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MathSciNet review: 0238738
- Tensor products of simple pure inseparable field extensions
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J. N. Mordeson and B. Vinograde.
Proc. Amer. Math. Soc. 20 (1969), 209-212
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MathSciNet review: 0232758
- Self-injective semigroup rings for finite inverse semigroups
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R. Wenger.
Proc. Amer. Math. Soc. 20 (1969), 213-216
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MathSciNet review: 0232869
- Critical groups and the lattice of varieties
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John Cossey.
Proc. Amer. Math. Soc. 20 (1969), 217-221
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MathSciNet review: 0232824
- On quasi-local noetherian rings
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Gerhard Michler.
Proc. Amer. Math. Soc. 20 (1969), 222-224
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MathSciNet review: 0232796
- Note on $QF$-$1$ algebras
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J. P. Jans.
Proc. Amer. Math. Soc. 20 (1969), 225-228
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MathSciNet review: 0233848
- Galois endomorphisms of the torsion subgroup of certain formal groups
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Jonathan Lubin.
Proc. Amer. Math. Soc. 20 (1969), 229-231
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MathSciNet review: 0232769
- Finite groups with pro-normal subgroups
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T. A. Peng.
Proc. Amer. Math. Soc. 20 (1969), 232-234
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MathSciNet review: 0232850
- A remark on Prüfer rings
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Edward D. Davis.
Proc. Amer. Math. Soc. 20 (1969), 235-237
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MathSciNet review: 0232763
- Open mappings and closed subsets of the domain in general metric spaces
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James Edgar Keesling.
Proc. Amer. Math. Soc. 20 (1969), 238-245
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MathSciNet review: 0261568
- Relative interiors of convex hulls
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William E. Bonnice and John R. Reay.
Proc. Amer. Math. Soc. 20 (1969), 246-250
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MathSciNet review: 0234352
- A note on maximal locally compact semigroups
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James W. Stepp.
Proc. Amer. Math. Soc. 20 (1969), 251-253
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MathSciNet review: 0232883
- A set whose square can map onto a perfect set
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John R. Isbell.
Proc. Amer. Math. Soc. 20 (1969), 254-255
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MathSciNet review: 0232359
- An equivalence theorem for embeddings of compact absolute neighborhood retracts
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J. L. Bryant and C. L. Seebeck.
Proc. Amer. Math. Soc. 20 (1969), 256-258
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MathSciNet review: 0244972
- On stochastic differentials in Hilbert spaces
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E. M. Cabaña.
Proc. Amer. Math. Soc. 20 (1969), 259-265
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MathSciNet review: 0233436
- Dominated estimates of positive contractions
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R. V. Chacon and J. Olsen.
Proc. Amer. Math. Soc. 20 (1969), 266-271
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MathSciNet review: 0248327
- An operator ergodic theorem for sequences of functions
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E. M. Klimko and Louis Sucheston.
Proc. Amer. Math. Soc. 20 (1969), 272-276
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MathSciNet review: 0233956
- Almost complex submanifolds of the six sphere
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Alfred Gray.
Proc. Amer. Math. Soc. 20 (1969), 277-279
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MathSciNet review: 0246332
- A canonical linear order for the maximal chains of a tree
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James C. Owings.
Proc. Amer. Math. Soc. 20 (1969), 280-283
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MathSciNet review: 0240009
- Toeplitz-Hausdorff theorem on numerical ranges
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R. Raghavendran.
Proc. Amer. Math. Soc. 20 (1969), 284-285
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MathSciNet review: 0233186
- A note on absolute summability
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J. A. Fridy.
Proc. Amer. Math. Soc. 20 (1969), 285-286
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MathSciNet review: 0233105