Contents of Volume 112, Number 2

All articles in this issue are freely accessible.

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Good approximations and continued fractions

Cor Kraaikamp and Pierre Liardet.
Proc. Amer. Math. Soc. 112 (1991), 303-309
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MathSciNet review: 1062392

On purity of inertia

David Harbater.
Proc. Amer. Math. Soc. 112 (1991), 311-319
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MathSciNet review: 1064903

On indecomposable modules over directed algebras

Peter Dräxler.
Proc. Amer. Math. Soc. 112 (1991), 321-327
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MathSciNet review: 1062830

Some trigonometric identities related to exact covers

John Beebee.
Proc. Amer. Math. Soc. 112 (1991), 329-338
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MathSciNet review: 1049133

Interpretations into $p$-algebras

O. Cartagena, C. González, R. Lewin and O. Rubilar.
Proc. Amer. Math. Soc. 112 (1991), 339-342
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MathSciNet review: 1049134

Points not as hyperplane sections of projectively normal curves

Edoardo Ballico.
Proc. Amer. Math. Soc. 112 (1991), 343-346
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MathSciNet review: 1052870

Bielliptic curves and symmetric products

Joe Harris and Joe Silverman.
Proc. Amer. Math. Soc. 112 (1991), 347-356
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MathSciNet review: 1055774

Generating finite completely reducible linear groups

L. G. Kovács and Geoffrey R. Robinson.
Proc. Amer. Math. Soc. 112 (1991), 357-364
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MathSciNet review: 1047004

Additive properties of multiplicative subgroups of finite index in fields

Pedro Berrizbeitia.
Proc. Amer. Math. Soc. 112 (1991), 365-369
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MathSciNet review: 1057940

Lebesgue’s theorem of differentiation in Fréchet lattices

Karl-Goswin Grosse-Erdmann.
Proc. Amer. Math. Soc. 112 (1991), 371-379
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MathSciNet review: 1062390

Dimension of certain kernel spaces of linear operators

Zuowei Shen.
Proc. Amer. Math. Soc. 112 (1991), 381-390
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MathSciNet review: 1065091

Multiplicity theory and the outer boundary

John S. Spraker.
Proc. Amer. Math. Soc. 112 (1991), 391-392
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MathSciNet review: 1062837

Weighted decay estimate for the wave equation

Valéry Covachev and Vladimir Georgiev.
Proc. Amer. Math. Soc. 112 (1991), 393-402
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MathSciNet review: 1055769

Hypersurfaces in $\textbf {R}^ n$ whose unit normal has small BMO norm

Stephen Semmes.
Proc. Amer. Math. Soc. 112 (1991), 403-412
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MathSciNet review: 1065093

A class of absolute retracts in spaces of integrable functions

Alberto Bressan, Arrigo Cellina and Andrzej Fryszkowski.
Proc. Amer. Math. Soc. 112 (1991), 413-418
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MathSciNet review: 1045587

A symbolic calculus for layer potentials on $C^ 1$ curves and $C^ 1$ curvilinear polygons

Jeff E. Lewis.
Proc. Amer. Math. Soc. 112 (1991), 419-427
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MathSciNet review: 1043413

Note on a theorem of Avakumović

J. L. Geluk.
Proc. Amer. Math. Soc. 112 (1991), 429-431
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MathSciNet review: 1052570

A growth condition for Fourier coefficients of functions of bounded entropy norm

W. Christopher Lang.
Proc. Amer. Math. Soc. 112 (1991), 433-439
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MathSciNet review: 1045141

Homogeneous Fourier multipliers in the plane

Javier Duoandikoetxea and Adela Moyua.
Proc. Amer. Math. Soc. 112 (1991), 441-449
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MathSciNet review: 1057743

On the evaluation of spectral projections onto absolutely continuous parts of a contraction

Alexey V. Rybkin.
Proc. Amer. Math. Soc. 112 (1991), 451-455
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MathSciNet review: 1045149

Local spectrum and generalized spectrum

Mostafa Mbekhta.
Proc. Amer. Math. Soc. 112 (1991), 457-463
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MathSciNet review: 1045142

Some properties of noncommutative $H^ 1$ spaces

Alvaro Arias.
Proc. Amer. Math. Soc. 112 (1991), 465-472
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MathSciNet review: 1045585

A note on the quenching rate

Marek Fila and Josephus Hulshof.
Proc. Amer. Math. Soc. 112 (1991), 473-477
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MathSciNet review: 1055772

Conditional analytic Feynman integrals on abstract Wiener spaces

Dong Myung Chung.
Proc. Amer. Math. Soc. 112 (1991), 479-488
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MathSciNet review: 1060719

Finiteness of the lower spectrum of Schrödinger operators with singular potentials

Jörg Donig.
Proc. Amer. Math. Soc. 112 (1991), 489-501
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MathSciNet review: 1043408

Common fixed points in hyperbolic Riemann surfaces and convex domains

Marco Abate and Jean-Pierre Vigué.
Proc. Amer. Math. Soc. 112 (1991), 503-512
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MathSciNet review: 1065938

Higher monotonicity properties and inequalities for zeros of Bessel functions

Laura Nicolò-Amati Gori, Andrea Laforgia and Martin E. Muldoon.
Proc. Amer. Math. Soc. 112 (1991), 513-520
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MathSciNet review: 1062389

Finite order vanishing of boundary values of holomorphic mappings

Mitja Lakner.
Proc. Amer. Math. Soc. 112 (1991), 521-527
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MathSciNet review: 1065952

Array convergence of functions of the first Baire class

Helmut Knaust.
Proc. Amer. Math. Soc. 112 (1991), 529-532
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MathSciNet review: 1057955

A local classification of $2$-type surfaces in $S^ 3$

Th. Hasanis and Th. Vlachos.
Proc. Amer. Math. Soc. 112 (1991), 533-538
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MathSciNet review: 1059626

New complete genus zero minimal surfaces with embedded parallel ends

Francisco J. López.
Proc. Amer. Math. Soc. 112 (1991), 539-544
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MathSciNet review: 1059629

Harmonic two-forms in four dimensions

Walter Seaman.
Proc. Amer. Math. Soc. 112 (1991), 545-548
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MathSciNet review: 1062836

Self-similar sets. V. Integer matrices and fractal tilings of $\textbf {R}^ n$

Christoph Bandt.
Proc. Amer. Math. Soc. 112 (1991), 549-562
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MathSciNet review: 1036982

The soul at infinity in dimension $4$

Gerard Walschap.
Proc. Amer. Math. Soc. 112 (1991), 563-567
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MathSciNet review: 1049852

Ordered rings over which output sets are recursively enumerable sets

Christian Michaux.
Proc. Amer. Math. Soc. 112 (1991), 569-575
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MathSciNet review: 1041016

A remark on incomparable ultrafilters in the Rudin-Keisler order

Eva Butkovičová.
Proc. Amer. Math. Soc. 112 (1991), 577-578
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MathSciNet review: 1045131

Sharp maximal inequalities for conditionally symmetric martingales and Brownian motion

Gang Wang.
Proc. Amer. Math. Soc. 112 (1991), 579-586
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MathSciNet review: 1059638

A congruence for the signature of an embedded manifold

Robert D. Little.
Proc. Amer. Math. Soc. 112 (1991), 587-596
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MathSciNet review: 1049846

$\alpha$-invariant and $S^ 1$ actions

Kaoru Ono.
Proc. Amer. Math. Soc. 112 (1991), 597-600
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MathSciNet review: 1043417

A remark on a paper of J. S. Ruan: “Invariant subspace of strictly singular operators” [Proc. Amer. Math. Soc. 108 (1990), no. 4, 931–936; MR1002160 (90g:47009)]

Patrick M. Fitzpatrick and Seymour Goldberg.
Proc. Amer. Math. Soc. 112 (1991), 601
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MathSciNet review: 1062386

On measurable local homomorphisms

Zoltán Sasvári.
Proc. Amer. Math. Soc. 112 (1991), 603-604
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MathSciNet review: 1064907