SOME TWO-FUNCTION TOPOLOGICAL MINIMAX THEOREMS

Dedicated to Professor Constantin Fetecau on the occasion of his 80th anniversary

 

Ornella Naselli†

Abstract: In this note, we extend some topological minimax theorems of Ricceri (see [3]) to the case of two functions.

Keywords: minimax, semicontinuity, connectedness.

MSC: 90C47, 49K35.

DOI 10.56082/annalsarscimath.2026.4.11

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*Accepted for publication on May 18, 2026
†ornella.naselli@unict.it, Department of Mathematics and Computer Science, University of Catania, Italy

PUBLISHED in

Annals Academy of Romanian Scientists Series on Mathematics and Its Application,

Volume 18 no 4, 2026

ISSN ONLINE 2066 – 6594
ISSN PRINT 2066 – 5997