Contents of Volume 88, Number 4

All articles in this issue are freely accessible.

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Forced differences between terms of subsequences of integer sequences

Michael Gilpin and Robert Shelton.
Proc. Amer. Math. Soc. 88 (1983), 569-578
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MathSciNet review: 702277

Minimal ideals in quadratic Jordan algebras

Seong Nam Ng and Kevin McCrimmon.
Proc. Amer. Math. Soc. 88 (1983), 579-583
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MathSciNet review: 702278

A note concerning Fox’s paper on Fenchel’s conjecture

T. C. Chau.
Proc. Amer. Math. Soc. 88 (1983), 584-586
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MathSciNet review: 702279

An isomorphism theorem for valuated vector spaces

Paul Hill.
Proc. Amer. Math. Soc. 88 (1983), 587-590
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MathSciNet review: 702280

Chain of prime ideals in formal power series rings

Ada Maria de S. Doering and Yves Lequain.
Proc. Amer. Math. Soc. 88 (1983), 591-594
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MathSciNet review: 702281

Simultaneous attainability of central Lyapunov and Bohl exponents for ODE linear systems

Robert E. Vinograd.
Proc. Amer. Math. Soc. 88 (1983), 595-601
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MathSciNet review: 702282

A proof of a formula in Fourier analysis on the sphere

Jin Gen Yang.
Proc. Amer. Math. Soc. 88 (1983), 602-604
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MathSciNet review: 702283

Existence of solutions of a nonlinear differential equation

L. Cesari and R. Kannan.
Proc. Amer. Math. Soc. 88 (1983), 605-613
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MathSciNet review: 702284

On a singular elliptic equation

Wei Ming Ni.
Proc. Amer. Math. Soc. 88 (1983), 614-616
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MathSciNet review: 702285

The singular integral characterization of $H^{p}$ on simple martingales

Akihito Uchiyama.
Proc. Amer. Math. Soc. 88 (1983), 617-621
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MathSciNet review: 702286

A family of polynomials with concyclic zeros

Kenneth B. Stolarsky.
Proc. Amer. Math. Soc. 88 (1983), 622-624
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MathSciNet review: 702287

Infinite-dimensional Jacobi matrices associated with Julia sets

M. F. Barnsley, J. S. Geronimo and A. N. Harrington.
Proc. Amer. Math. Soc. 88 (1983), 625-630
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MathSciNet review: 702288

The stability of the sine equation

Piotr W. Cholewa.
Proc. Amer. Math. Soc. 88 (1983), 631-634
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MathSciNet review: 702289

On the transpose map of matrix algebras

Jun Tomiyama.
Proc. Amer. Math. Soc. 88 (1983), 635-638
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MathSciNet review: 702290

A remark on the image of the Ahlfors function

Akira Yamada.
Proc. Amer. Math. Soc. 88 (1983), 639-642
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MathSciNet review: 702291

On functions that approximate relations

Gerald Beer.
Proc. Amer. Math. Soc. 88 (1983), 643-647
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MathSciNet review: 702292

A note on the strong maximal function

Richard J. Bagby.
Proc. Amer. Math. Soc. 88 (1983), 648-650
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MathSciNet review: 702293

The secondary characteristic classes of solvable foliations

William T. Pelletier.
Proc. Amer. Math. Soc. 88 (1983), 651-659
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MathSciNet review: 702294

On the volume of metric balls

Christopher B. Croke.
Proc. Amer. Math. Soc. 88 (1983), 660-664
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MathSciNet review: 702295

On isoclinal sequences of spheres

Asia Ivić Weiss.
Proc. Amer. Math. Soc. 88 (1983), 665-671
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MathSciNet review: 702296

Tall $𝛼$-recursive structures

Sy D. Friedman and Saharon Shelah.
Proc. Amer. Math. Soc. 88 (1983), 672-678
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MathSciNet review: 702297

Conformal inequivalence of annuli and the first-order theory of subgroups of $PSL(2,R)$

Lee A. Rubel.
Proc. Amer. Math. Soc. 88 (1983), 679-683
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MathSciNet review: 702298

On the total variation and Hellinger distance between signed measures; an application to product measures

Ton Steerneman.
Proc. Amer. Math. Soc. 88 (1983), 684-688
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MathSciNet review: 702299

Correction to: “Zero-one laws for stable measures” [Proc. Amer. Math. Soc. 45 (1974), 245–252; MR 51 #6901]

R. M. Dudley and Marek Kanter.
Proc. Amer. Math. Soc. 88 (1983), 689-690
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MathSciNet review: 702300

On partitions of plane sets into simple closed curves

Paul Bankston.
Proc. Amer. Math. Soc. 88 (1983), 691-697
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MathSciNet review: 702301

On the nonexistence of Riemannian submersions from $CP(7)$ and $QP(3)$

Jack Ucci.
Proc. Amer. Math. Soc. 88 (1983), 698-700
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MathSciNet review: 702302

The nontriviality of the first rational homology group of some connected invariant subsets of periodic transformations

Amir Assadi and Dan Burghelea.
Proc. Amer. Math. Soc. 88 (1983), 701-707
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MathSciNet review: 702303

Immersions of real flag manifolds

R. E. Stong.
Proc. Amer. Math. Soc. 88 (1983), 708-710
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MathSciNet review: 702304

Open images of orderable spaces

M. Hušek and W. Kulpa.
Proc. Amer. Math. Soc. 88 (1983), 711-715
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MathSciNet review: 702305

Diffeomorphisms without periodic points

J. F. Plante.
Proc. Amer. Math. Soc. 88 (1983), 716-718
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MathSciNet review: 702306

A class of planar quadratic vector fields with a limit cycle surrounded by a saddle loop

Rodrigo Bamón.
Proc. Amer. Math. Soc. 88 (1983), 719-724
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MathSciNet review: 702307

On regular-invariance of continuity

R. G. Ori and M. Rajagopalan.
Proc. Amer. Math. Soc. 88 (1983), 725-726
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MathSciNet review: 702308

Links of closed orbits of nonsingular Morse-Smale flows

Kazuhiro Sasano.
Proc. Amer. Math. Soc. 88 (1983), 727-734
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MathSciNet review: 702309

On the dimensions of projections of compact subsets of $R^{m}$

Y. Sternfeld.
Proc. Amer. Math. Soc. 88 (1983), 735-742
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MathSciNet review: 702310

Discrete sets of singular cardinality

William G. Fleissner.
Proc. Amer. Math. Soc. 88 (1983), 743-745
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MathSciNet review: 702311

Lagrange identity for polynomials and $𝛿$-codes of lengths $7t$ and $13t$

C. H. Yang.
Proc. Amer. Math. Soc. 88 (1983), 746-750
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MathSciNet review: 702312

A short proof of the algebraic Weierstrass preparation theorem

S. M. Gersten.
Proc. Amer. Math. Soc. 88 (1983), 751-752
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MathSciNet review: 702313

Erratum to: “A simple proof of Radó’s theorem”

Alan McConnell.
Proc. Amer. Math. Soc. 88 (1983), 753
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MathSciNet review: 702314