ISSN: 0002-9920 (Print) 1088-9477 (Electronic) 
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Current Issue: July  1996  Volume 43  Issue 7 
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Features

Groupoids: Unifying Internal and External Symmetry

Alan Weinstein

Often the group of transformations of an object, such as a honeycomb or a herd of zebras, misses its essential symmetry. This article explains how groupoids are used to capture that symmetry.
(pp. 744)
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Model Theory and Exponentiation

David Marker

Tarski's theorem asserts that all sentences about the axiomatic real number system are decidable. Progress is reported on extending this theorem when exponentiation, or truncated analytic functions are added; with applications to real analytic geometry.
(pp. 753)
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Communications

Wiles Receives NAS Award in Mathematics
John Coates

Anniversary Address of the President of the Royal Society
Sir Michael F. Atiyah

Carl Herz (1930--1995)
J. R. Choksi, W. H. J. Fuchs, N. Th. Varopoulos

Fiscal 1997 Budget Request for the National Science Foundation
Allyn Jackson

Budding Mathematician Wins Westinghouse Competition
John Conway, Allyn Jackson

AMS Task Force on Excellence in Mathematics Scholarship: Interim Report

Commentary

From the Editor

Letters to the Editor

Departments

Mathematics People

Mathematics Opportunities

From the AMS

The April 1996 Council Meeting


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