ArticleOriginal scientific text
Title
On supportless absorbing convex subsets in normed spaces
Authors 1
Affiliations
- Kharkov Institute of Railway Engineering, Feuerbach SQ., 7, 310050 Kharkov, Ukraine
Abstract
It is proved that a separable normed space contains a closed bounded convex symmetric absorbing supportless subset if and only if this space may be covered (in its completion) by the range of a nonisomorphic operator.
Bibliography
- E. Bishop and R. R. Phelps, A proof that every Banach space is subreflexive, Bull. Amer. Math. Soc. 67 (1961), 97-98.
- J. M. Borwein and D. W. Tingley, On supportless convex sets, Proc. Amer. Math. Soc. 94 (1985), 471-476.
- V. Klee, Extremal structure of convex sets. II, Math. Z. 69 (1958), 90-104.