J Austral Math Soc Ser A 59 pp266--272, 1995.
(Received 2 Februaty 1993; revised 1 July 1993)
In this paper, we give a sufficient condition (Theorem) in order that one domain D1 bounded by a C2-smooth boundary can be enclosed in, or enclose, another domain D0 bounded by the same kind of boundary. A same kind of sufficient condition for conves bodies (Corollary) is also attained.
1991 AMS Subject Classification: primary 52A22, 53C21; secondary 51M16
Last Modified: Thu Jan 9 9:04:24 2003