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NOTE ON THE RESULTS WITH LOWER SEMI-CONTINUITY
2002
Bulletin of the Korean Mathematical Society
In this paper, we introduce the concept of lower semicontinuous from above functions and show that many well-known results, such as Ekland's and Caristi's theorems, remain also true under lower semi-continuous from above functions.
doi:10.4134/bkms.2002.39.4.535
fatcat:g337zsc3f5eftc7jvymhjtg77q