The Sandwich theorem via Pataraia's fixed point theorem

Amarante, M

Amarante, M (reprint author), Univ Montreal, Montreal, PQ, Canada.; Amarante, M (reprint author), CIREQ, Montreal, PQ, Canada.

POSITIVITY, 2019; 23 (1): 97

Abstract

The Sandwich theorem (Konig in Archiv der Mathematik 23:500-1972, 1972) yields the existence of a linear functional sandwiched in between a given supe......

Full Text Link