The converse of the four vertex theorem
Journal article, 2005

We establish the converse to the four vertex theorem without the positivity condition.

four vertex theorem

simple and closed curve.

curvature function

Author

Björn E. J. Dahlberg

Chalmers, Mathematical Sciences

University of Gothenburg

Proceedings of the American Mathematical Society

0002-9939 (ISSN) 1088-6826 (eISSN)

Vol. 133 7 2131-2135

Subject Categories

Mathematical Analysis

More information

Created

10/6/2017