ISSN: 0002-9920 (Print) 1088-9477 (Electronic)

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Current Issue: February 2007 Volume 54 Issue 2
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The Four Vertex Theorem and Its Converse

Dennis DeTurck, Herman Gluck, Daniel Pomerleano, and David Shea Vick

The Four Vertex Theorem of global differential geometry says that the curvature of a simple closed plane curve, if not constant, has at least four local extrema. The converse asserts that any continuous real-valued function on the circle with at least two local maxima and two local minima is the curvature function of a simple closed curve. The authors explain the proof of both.
(pp. 192)
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Interview with Mikio Sato

Emmanuel Andronikof

The late Emmanuel Andronikof talked to the distinguished mathematician about his work and life.
(pp. 208)
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Communications

Interview with Abel Prize Recipient Lennart Carleson
Martin Raussen and Christian Skau

From Zero to Infinity
A Book Review
Reviewed by Bruce Reznick

Symmetry and the Monster: One of the Greatest Quests of Mathematics
A Book Review
Reviewed by Robert Griess

WHAT IS...a Young Tableau?
Alexander Yong

Mikio Sato, a Visionary Of Mathematics
Pierre Schapira

Presidential Views: Interview with James Arthur
Allyn Jackson

Interview with William Rundell
Allyn Jackson

2006 Annual Survey of the Mathematical Sciences (First Report)
Ellen E. Kirkman, James W. Maxwell, Colleen Rose

Departments

Commentary

Mathematics People

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Reference and Book List

Doctoral Degrees Conferred (2005--2006)

Mathematics Calendar

New Publications Offered by the AMS

Meetings and Conferences of the AMS

Meetings and Conferences Table of Contents

From the AMS Secretary

2006 Election Results

2007 Election--Nominations by Petition

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