Contents of Volume 28, Number 1

Homogeneous Functions on Light Cones: the Infinitesimal Structure of some Degenerate Principal Series Representations

Roger E. Howe; Eng-Chye Tan
Bull. Amer. Math. Soc. 28 (1993), 1-74.
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MathSciNet review: 1172839

Factorizations of invertible operators and $K$-theory of $C^*$-algebras

Shuang Zhang
Bull. Amer. Math. Soc. 28 (1993), 75-83.
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MathSciNet review: 1164064

Linkless embeddings of graphs in $3$-space

Neil Robertson; P. D. Seymour; Robin Thomas
Bull. Amer. Math. Soc. 28 (1993), 84-89.
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MathSciNet review: 1164063

A New Result for the Porous Medium Equation Derived from the Ricci Flow

Lang-Fang Wu
Bull. Amer. Math. Soc. 28 (1993), 90-94.
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MathSciNet review: 1164949

Representations and $K$-theory of Discrete Groups

Alejandro Adem
Bull. Amer. Math. Soc. 28 (1993), 95-98.
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MathSciNet review: 1168513

M\"obius invariance of knot energy

Steve Bryson; Michael H. Freedman; Zheng-Xu He; Zhenghan Wang
Bull. Amer. Math. Soc. 28 (1993), 99-103.
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MathSciNet review: 1168514

Relative $K$-cycles and Elliptic Boundary Conditions

Guihua Gong
Bull. Amer. Math. Soc. 28 (1993), 104-108.
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MathSciNet review: 1168515

Singularities of the Radon transform

A. G. Ramm; A. I. Zaslavsky
Bull. Amer. Math. Soc. 28 (1993), 109-115.
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MathSciNet review: 1168516

Best uniform rational approximation of $x^\alpha $ on $[0,1]$

Herbert Stahl
Bull. Amer. Math. Soc. 28 (1993), 116-122.
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MathSciNet review: 1168517

Review: Finiteness theorems for limit cycles

Reviewer(s) Carmen Chicone
Bull. Amer. Math. Soc. 28 (1993), 123-130.
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Review: Quantum physics, relativity and complex spacetime

Reviewer(s) Robert Hermann
Bull. Amer. Math. Soc. 28 (1993), 130-132.
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Review: Operator algebras in dynamical systems

Reviewer(s) Richard V. Kadison
Bull. Amer. Math. Soc. 28 (1993), 133-136.
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Review: Spectral and scattering theory for wave propagation in perturbed stratified media

Reviewer(s) Calvin H. Wilcox
Bull. Amer. Math. Soc. 28 (1993), 137-141.
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Review: Almost free modules. Set-theoretic methods

Reviewer(s) Laszlo Fuchs
Bull. Amer. Math. Soc. 28 (1993), 141-144.
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Review: Andr\'e Weil: The apprenticeship of a mathematician

Reviewer(s) Saunders Mac Lane
Bull. Amer. Math. Soc. 28 (1993), 144-147.
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Review: Cycles and bridges in graphs

Reviewer(s) Cecil Rousseau
Bull. Amer. Math. Soc. 28 (1993), 147-148.
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Review: Variational methods (Applications to nonlinear PDE and Hamiltonian systems)

Reviewer(s) J\"urgen Jost
Bull. Amer. Math. Soc. 28 (1993), 149-153.
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Review: Differential topology and quantum field theory

Reviewer(s) Daniel S. Freed
Bull. Amer. Math. Soc. 28 (1993), 153-157.
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Review: Around Burnside
The restricted Burnside problem

Reviewer(s) M. F. Newman; G. E. Wall
Bull. Amer. Math. Soc. 28 (1993), 157-161.
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Review: Nonlinear partial differential equations of second order

Reviewer(s) Gary M. Lieberman
Bull. Amer. Math. Soc. 28 (1993), 161-164.
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Review: Introduction to asymmetric solitary waves

Reviewer(s) John Albert
Bull. Amer. Math. Soc. 28 (1993), 164-168.
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Review: The linear complementarity problem

Reviewer(s) M. C. Ferris
Bull. Amer. Math. Soc. 28 (1993), 169-175.
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Review: Non-abelian harmonic analysis. Applications of $SL(2, \Bbb R)$

Reviewer(s) David A. Vogan, Jr.
Bull. Amer. Math. Soc. 28 (1993), 176-182.
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Review: Classical recursion theory

Reviewer(s) J. R. Shoenfield
Bull. Amer. Math. Soc. 28 (1993), 182-183.
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Review: The geometry of supermanifolds

Reviewer(s) Alice Rogers
Bull. Amer. Math. Soc. 28 (1993), 184-189.
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Review: Banach lattices

Reviewer(s) C. D. Aliprantis
Bull. Amer. Math. Soc. 28 (1993), 190-194.
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Review: Mathematical models in electrical circuitsrm: theory and applications

Reviewer(s) A. H. Zemanian
Bull. Amer. Math. Soc. 28 (1993), 194-198.
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Review: The theory of subnormal operators

Reviewer(s) T. W. Gamelin
Bull. Amer. Math. Soc. 28 (1993), 199-202.
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Review: Combinatorial matrix theory

Reviewer(s) W. T. Tutte
Bull. Amer. Math. Soc. 28 (1993), 202-204.
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Review: Error analysis in numerical processes

Reviewer(s) F. Stummel
Bull. Amer. Math. Soc. 28 (1993), 204-206.
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Review: Two-dimensional geometric variational problems

Reviewer(s) Friedrich Sauvigny
Bull. Amer. Math. Soc. 28 (1993), 206-209.
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Review: Additive number theory of polynomials over a finite field

Reviewer(s) R. C. Vaughan
Bull. Amer. Math. Soc. 28 (1993), 209-212.
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Review: ERRATUM

Reviewer(s) Craig Hodgson; Wayne Smith
Bull. Amer. Math. Soc. 28 (1993), 213-213.
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