Acta Mathematica Vietnamica
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ARE SEVERAL RECENT GENERALIZATIONS OF EKELAND'S VARIATIONAL PRINCIPLE MORE GENERAL THAN THE ORIGINAL PRINCIPLE?
TRUONG QUANG BAO, PHAN QUOC KHANHpp. 345-350
Abstract
We show that several recent results proposed as generalizations of Ekeland's variational principle are in fact equivalent to the original principle.