Vol. 61, No. 1, 1975

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Subcontinuity for multifunctions

Raymond Earl Smithson

Vol. 61 (1975), No. 1, 283–288
Abstract

The concept of subcontinuity is extended to multifunctions. This notion is then used to obtain a number of results on multifunctions with closed graphs and to develop criteria under which a multifunction is upper semicontinuous.

Mathematical Subject Classification 2000
Primary: 54C60
Milestones
Received: 1 April 1975
Revised: 15 July 1975
Published: 1 November 1975
Authors
Raymond Earl Smithson