ISSN: 0002-9920 (Print) 1088-9477 (Electronic) 
 
Current Issue: March  2005  Volume 52  Issue 3 
 

Features

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Nonholonomic Dynamics

Anthony M. Bloch, Jerrold E. Marsden, Dmitry V. Zenkov

Nonholonomic dynamical systems are mechanical systems, like a falling rolling disk, whose velocities have constraints that can't be derived from their position constraints. The authors review the history and some recent progress in the study of such systems.
(pp. 324)
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A 1940 Letter of André Weil on Analogy in Mathematics

Translated by Martin H. Krieger

Martin H. Krieger translates André Weil's 1940 letter to his sister. Weil comments, from prison, and to a nonexpert, on the history of number theory and on analogy in mathematics research. Weil's writing is of interest both historically and for his insights into doing mathematical research.
(pp. 334)
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Communications

WHAT IS...a Dimer?
Richard Kenyon and Andrei Okounkov

The Golden Ratio
A Book Review
Reviewed by George Markowsky

A Tribute to Deane Montgomery
Ronald Fintushel

Presidential Views: An Interview with James Arthur
Allyn Jackson

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Reference and Book List

Mathematics Calendar

New Publications Offered by the AMS

Meetings and Conferences of the AMS

Meetings and Conferences Table of Contents

Presenters of Papers, Bowling Green, Kentucky

Program of the Sessions, Bowling Green, Kentucky

From the AMS Secretary

Call for Nominations for AMS Award for Exemplary Programs

Call for Nominations for Leroy P. Steele Prizes