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Bulletin of the American Mathematical Society

ISSN 1088-9485(online) ISSN 0273-0979(print)

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Contents of Volume 23, Number 2

All articles in this issue are freely accessible.

Miscellaneous back pages, Bull. Amer. Math. Soc. (N.S.), Volume 23, Number 2 (1990)
Bull. Amer. Math. Soc. 23 (1990)
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Miscellaneous front pages, Bull. Amer. Math. Soc. (N.S.), Volume 23, Number 2 (1990)
Bull. Amer. Math. Soc. 23 (1990)
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Multiplication of distributions
J. F. Colombeau.
Bull. Amer. Math. Soc. 23 (1990), 251-268
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MathSciNet review: 1028141
Exponential sums over finite fields and differential equations over the complex numbers: Some interactions
Nicholas M. Katz.
Bull. Amer. Math. Soc. 23 (1990), 269-309
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MathSciNet review: 1032857
Elliptic methods in symplectic geometry
Dusa McDuff.
Bull. Amer. Math. Soc. 23 (1990), 311-358
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MathSciNet review: 1039425
Hurwitz groups: A brief survey
Marston Conder.
Bull. Amer. Math. Soc. 23 (1990), 359-370
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MathSciNet review: 1041434
Torsion points on elliptic curves
S. Kamienny.
Bull. Amer. Math. Soc. 23 (1990), 371-373
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MathSciNet review: 1058689
The behavior of the Mordell-Weil group of elliptic curves
Armand Brumer and Oisín McGuinness.
Bull. Amer. Math. Soc. 23 (1990), 375-382
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MathSciNet review: 1044170
A new upper bound for the minimum of an integral lattice of determinant 1
J. H. Conway and N. J. A. Sloane.
Bull. Amer. Math. Soc. 23 (1990), 383-387
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MathSciNet review: 1046123
$L$ functions for the group $G_{2}$
I. Piatetski-Shapiro, S. Rallis and G. Schiffmann.
Bull. Amer. Math. Soc. 23 (1990), 389-399
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MathSciNet review: 1031583
Subgroups of polynomial automorphisms
Edwin Connell and John Zweibel.
Bull. Amer. Math. Soc. 23 (1990), 401-406
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MathSciNet review: 1039423
Circle packings in the approximation of conformal mappings
Kenneth Stephenson.
Bull. Amer. Math. Soc. 23 (1990), 407-415
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MathSciNet review: 1049434
The topology of complete one-ended minimal surfaces and Heegaard surfaces in $R^{3}$
Charles Frohman and William H. Meeks III.
Bull. Amer. Math. Soc. 23 (1990), 417-421
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MathSciNet review: 1033085
A finiteness theorem for Ricci curvature in dimension three
Shun-Hui Zhu.
Bull. Amer. Math. Soc. 23 (1990), 423-426
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MathSciNet review: 1027905
Simply connected manifolds of positive scalar curvature
Stephan Stolz.
Bull. Amer. Math. Soc. 23 (1990), 427-432
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MathSciNet review: 1056561
Isospectral families of conformally equivalent Riemannian metrics
Robert Brooks and Carolyn Gordon.
Bull. Amer. Math. Soc. 23 (1990), 433-436
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MathSciNet review: 1033084
Complete noncompact Kähler manifolds with positive holomorphic bisectional curvature
Wan-Xiong Shi.
Bull. Amer. Math. Soc. 23 (1990), 437-440
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MathSciNet review: 1044171
Some new results on the topology of nonsingular real algebraic sets
Selman Akbulut and Henry King.
Bull. Amer. Math. Soc. 23 (1990), 441-446
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MathSciNet review: 1053986
Exotic cohomology and index theory
John Roe.
Bull. Amer. Math. Soc. 23 (1990), 447-453
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MathSciNet review: 1049433
The tensor product problem for reflexive algebras
Jon Kraus.
Bull. Amer. Math. Soc. 23 (1990), 455-460
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MathSciNet review: 1027903
Triangular algebras and ideals of nest algebras
John Lindsay Orr.
Bull. Amer. Math. Soc. 23 (1990), 461-467
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MathSciNet review: 1053988
Antimonotonicity: Concurrent creation and annihilation of periodic orbits
I. Kan and J. A. Yorke.
Bull. Amer. Math. Soc. 23 (1990), 469-476
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MathSciNet review: 1031582
A new formulation of the generalized Toda lattice equations and their fixed point analysis via the momentum map
Anthony M. Bloch, Roger W. Brockett and Tudor S. Ratiu.
Bull. Amer. Math. Soc. 23 (1990), 477-485
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MathSciNet review: 1027895
On the complete integrability of some Lax systems on $GL( n,R ) ×GL( n,R )$
Luen-Chau Li.
Bull. Amer. Math. Soc. 23 (1990), 487-493
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MathSciNet review: 1028140
A simplified version of the abstract Cauchy-Kowalewski theorem with weak singularities
Russel E. Caflisch.
Bull. Amer. Math. Soc. 23 (1990), 495-500
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MathSciNet review: 1027897
Zero-order perturbations of the subelliptic Laplacian on the Heisenberg group and their uniqueness properties
Nicola Garofalo and Ermanno Lanconelli.
Bull. Amer. Math. Soc. 23 (1990), 501-511
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MathSciNet review: 1039424
Subcriticality, positivity, and gaugeability of the Schrödinger operator
Z. Zhao.
Bull. Amer. Math. Soc. 23 (1990), 513-517
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MathSciNet review: 1043084
$L^{p} →L^{{}p’}$ estimates for time-dependent Schrödinger operators
J. L. Journé, A. Soffer and C. D. Sogge.
Bull. Amer. Math. Soc. 23 (1990), 519-524
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MathSciNet review: 1035837
On the energy of a large atom
Charles L. Fefferman and Luis A. Seco.
Bull. Amer. Math. Soc. 23 (1990), 525-530
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MathSciNet review: 1056556
Shape optimization for Dirichlet problems: Relaxed solutions and optimality conditions
Giuseppe Buttazzo and Gianni Dal Maso.
Bull. Amer. Math. Soc. 23 (1990), 531-535
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MathSciNet review: 1027896
Discrete analogues of singular Radon transforms
E. M. Stein and S. Wainger.
Bull. Amer. Math. Soc. 23 (1990), 537-544
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MathSciNet review: 1056560
Book Reviews

Book reviews do not contain an abstract. You may download each review in this issue using the links below.

The linearization method in hydrodynamical stability theory, by V. I. Yudovich.
Reviewer: D. H. Sattinger
Bull. Amer. Math. Soc. 23 (1990), 545-547
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$J$ Contractive matrix functions, reproducing kernel Hilbert spaces and interpolation, by Harry Dym.
Reviewer: Joseph A. Ball
Bull. Amer. Math. Soc. 23 (1990), 547-551
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Operators and representation theory: Canonical models for algebras of operators arising in quantum mechanics, by P. E. T. Jorgensen.
Reviewer: Roe Goodman
Bull. Amer. Math. Soc. 23 (1990), 551-554
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Initial-boundary value problems and the Navier-Stokes equations, by Heinz-Otto Kreiss and Jens Lorenz.
Reviewer: Peter Constantin
Bull. Amer. Math. Soc. 23 (1990), 555-559
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Mathematical problems from combustion theory, by Jerrold Bebernes and David Eberly.
Reviewer: A. K. Kapila
Bull. Amer. Math. Soc. 23 (1990), 559-562
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The asymptotic solution of linear differential systems, applications of the Levinson theorem, by M. S. P. Eastham.
Reviewer: Allen Devinatz
Bull. Amer. Math. Soc. 23 (1990), 563-566
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Conformal geometry, by Ravi S. Kulkarni and Ulrich Pinkall.
Reviewer: William M. Goldman
Bull. Amer. Math. Soc. 23 (1990), 566-575
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Real analysis and probability, by R. M. Dudley.
Reviewer: Mark A. Pinsky
Bull. Amer. Math. Soc. 23 (1990), 575-579
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Noncommutative Noetherian rings, by J. C. McConnell and J. C. Robson.
Reviewer: Edward Formanek
Bull. Amer. Math. Soc. 23 (1990), 579-582
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Foliations on Riemannian manifolds, by Philippe Tondeur.
Riemannian foliations, by Pierre Molino.
Reviewer: L. Conlon
Bull. Amer. Math. Soc. 23 (1990), 583-588
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Elementary geometry in hyperbolic space, by Werner Fenchel.
Reviewer: J. B. Wilker
Bull. Amer. Math. Soc. 23 (1990), 589-594
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The classical groups and $K$-theory, by A. J. Hahn and O. T. O'Meara.
Reviewer: Robert Steinberg
Bull. Amer. Math. Soc. 23 (1990), 594-598
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Harmonic analysis of spherical functions on real reductive groups, by R. Gangolli and V. S. Varadarajan.
Reviewer: D. Barbasch
Bull. Amer. Math. Soc. 23 (1990), 598-604
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Binary quadratic forms, classical theory and applications, by D. A. Buell.
Reviewer: D. H. Lehmer
Bull. Amer. Math. Soc. 23 (1990), 604-605
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The emperor's new mind, by Roger Penrose.
Reviewer: John McCarthy
Bull. Amer. Math. Soc. 23 (1990), 606-616
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Cosmology in $\left( {2 + 1} \right)$-dimensions, cyclic models, and deformations of $M_{2,1}$, by Victor Guillemin.
Reviewer: John K. Beem
Bull. Amer. Math. Soc. 23 (1990), 616-617
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The averaged moduli of smoothness with applications in numerical methods and approximation, by Blagovest Sendov and Vasil A. Popov.
Reviewer: R. J. Nessel
Bull. Amer. Math. Soc. 23 (1990), 618-620
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Matrix norms and their applications, by G. R. Belitskii and Yu. I. Lyubich.
Reviewer: Peter A. Fillmore
Bull. Amer. Math. Soc. 23 (1990), 620-623
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Vibration and coupling of continuous systems: asymptotic methods, by Jacqueline Sanchez Hubert and Enrique Sanchez Palencia.
Reviewer: M. Slemrod
Bull. Amer. Math. Soc. 23 (1990), 623-626
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An introduction to the numerical analysis of spectral methods, by Bertrand Mercier.
Reviewer: Levi Lustman
Bull. Amer. Math. Soc. 23 (1990), 626-629
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The theory of fixed point classes, by Kiang Tsai-Han.
Reviewer: D. R. Smart
Bull. Amer. Math. Soc. 23 (1990), 630-633
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