asymmetric norm

Abstract AuthorsCostica Mustata “Tiberiu Popoviciu” Institute of Numerical Analysis, Romanian Academy, Romania Keywords? Paper coordinatesC. Mustăţa, Uniqueness of extension of…

Abstract The aim of this note is to prove an extension theorem for semi-Lipschitz real functions defined on quasi-metric spaces,…

Abstract AuthorsCostica Mustata “Tiberiu Popoviciu” Institute of Numerical Analysis, Romanian Academy, Romania Keywords? Paper coordinatesC. Mustăţa, Extension of starshaped bounded…

Abstract In this paper one shows that  a convex semi-Lipschitz functions defined on a convex subset of a quasi-metric linear…

Abstract The extremal elements of the unit balls of Banach spaces play an important role in the study of the…

Abstract A well known result of R. R. Phelps (1960) asserts that in order that every linear continuous functional, defined…