Contents of Volume 23, Number 1

Miscellaneous front pages, Bull. Amer. Math. Soc. (N.S.), Volume 23, Number 1 (1990)

Bull. Amer. Math. Soc. 23 (1990)
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Miscellaneous back pages, Bull. Amer. Math. Soc. (N.S.), Volume 23, Number 1 (1990)

Bull. Amer. Math. Soc. 23 (1990)
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Notes on invariant subspaces

Hari Bercovici
Bull. Amer. Math. Soc. 23 (1990), 1-36.
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MathSciNet review: 990552

Old and new conjectured diophantine inequalities

Serge Lang
Bull. Amer. Math. Soc. 23 (1990), 37-75.
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MathSciNet review: 1005184

Towards computerized proofs of identities

Herbert S. Wilf; Doron Zeilberger
Bull. Amer. Math. Soc. 23 (1990), 77-83.
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MathSciNet review: 1019401

Splittings of surfaces

Richard K. Skora
Bull. Amer. Math. Soc. 23 (1990), 85-90.
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MathSciNet review: 1031584

Heegaard surfaces in Haken 3-manifolds

Klaus Johannson
Bull. Amer. Math. Soc. 23 (1990), 91-98.
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MathSciNet review: 1027902

Not all links are concordant to boundary links

T. D. Cochran; K. E. Orr
Bull. Amer. Math. Soc. 23 (1990), 99-106.
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MathSciNet review: 1031581

Deformation rigidity for subgroups of $SL\left( {n,{\mathbf{Z}}} \right)$ acting on the $n$-torus

Steven Hurder
Bull. Amer. Math. Soc. 23 (1990), 107-113.
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MathSciNet review: 1027900

A nonlinear extension of the Borel density theorem: Applications to invariance of geometric structures and to smooth orbit equivalence

Alessandra Iozzi
Bull. Amer. Math. Soc. 23 (1990), 115-120.
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MathSciNet review: 1021792

Finitely generated groups, $p$-adic analytic groups, and Poincaré series

Marcus P. F. du Sautoy
Bull. Amer. Math. Soc. 23 (1990), 121-126.
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MathSciNet review: 1021793

Ramanujan graphs and Hecke operators

Arnold K. Pizer
Bull. Amer. Math. Soc. 23 (1990), 127-137.
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MathSciNet review: 1027904

Fundamental solutions and harmonic analysis on nilpotent groups

A. Nagel; F. Ricci; E. M. Stein
Bull. Amer. Math. Soc. 23 (1990), 139-144.
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MathSciNet review: 1026972

Gorenstein local homomorphisms

Luchezar L. Avramov; Hans-Bjørn Foxby
Bull. Amer. Math. Soc. 23 (1990), 145-150.
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MathSciNet review: 1020605

The jump is definable in the structure of the degrees of unsolvability

S. Barry Cooper
Bull. Amer. Math. Soc. 23 (1990), 151-158.
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MathSciNet review: 1027898

The adaption problem for approximating linear operators

Mark A. Kon; Erich Novak
Bull. Amer. Math. Soc. 23 (1990), 159-165.
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MathSciNet review: 1028139

Review: Schander bases: Behavior and stability

Reviewer(s) J. R. Retherford
Bull. Amer. Math. Soc. 23 (1990), 167-173.
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Review: Continuous decoupling transformations for linear boundary value problems

Reviewer(s) Wolfang Wasow
Bull. Amer. Math. Soc. 23 (1990), 173-178.
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Review: Derivatives, nuclei and dimensions on the frame of torsion theories

Reviewer(s) P. T. Johnstone
Bull. Amer. Math. Soc. 23 (1990), 178-182.
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Review: Algebraic homotopy

Reviewer(s) Ronald Brown
Bull. Amer. Math. Soc. 23 (1990), 182-190.
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Review: Andreotti-Grauert theory by integral formulas

Reviewer(s) R. Michael Range
Bull. Amer. Math. Soc. 23 (1990), 190-197.
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Review: Interpolation of operators

Reviewer(s) Yoram Sagher
Bull. Amer. Math. Soc. 23 (1990), 198-205.
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Review: Theory of relations

Reviewer(s) Arnold W. Miller
Bull. Amer. Math. Soc. 23 (1990), 206-209.
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Review: Boundary value problems of finite elasticity

Reviewer(s) Philippe G. Ciarlet
Bull. Amer. Math. Soc. 23 (1990), 209-222.
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Review: Heat kernels and spectral theory

Reviewer(s) Robert S. Strichartz
Bull. Amer. Math. Soc. 23 (1990), 222-227.
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Review: Stochastic processes with a multidimensional parameter

Reviewer(s) Ely Merzbach
Bull. Amer. Math. Soc. 23 (1990), 228-230.
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Review: Art gallery theorems and algorithms

Reviewer(s) David Avis
Bull. Amer. Math. Soc. 23 (1990), 230-234.
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Review: Huygens' principle and hyperbolic equations

Reviewer(s) Bent Ørsted
Bull. Amer. Math. Soc. 23 (1990), 235-242.
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Review: Existentially closed groups

Reviewer(s) Kenneth Hickin
Bull. Amer. Math. Soc. 23 (1990), 242-249.
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