International Journal of Mathematics and Mathematical Sciences
Volume 1 (1978), Issue 4, Pages 421-431
doi:10.1155/S0161171278000423

(n-2)-tightness and curvature of submanifolds with boundary

Wolfgang Kühnel

Fachbereich Mathematik, Technische Universität Berlin, Straeta e des 17. Juni 135, Berlin 12 (West) 1000, Germany

Abstract

The purpose of this note is to establish a connection between the notion of (n2)-tightness in the sense of N.H. Kuiper and T.F. Banchoff and the total absolute curvature of compact submanifolds-with-boundary of even dimension in Euclidean space. The argument used is a certain geometric inequality similar to that of S.S. Chern and R.K. Lashof where equality characterizes (n2)-tightness.