Home > Articles > Published articles > Chebyshev coefficients for L1-preduals and for spaces with the extension property |
Date: | 1990 |
Abstract: | We apply the Chebyshev coefficients λf and λb, recently introduced by the authors, to obtain some results related to certain geometric properties of Banach spaces. We prove that a real normed space E is an L1 predual if and only if λf (E) = 1/2, and that if a (real or complex) normed space E is a P1 space, then λb(E) equals λb(K), where K is the ground field of E. |
Rights: | Tots els drets reservats. |
Language: | Anglès |
Document: | Article ; recerca ; Versió publicada |
Published in: | Publicacions matemàtiques, V. 34 n. 2 (1990) p. 341-347, ISSN 2014-4350 |
7 p, 190.0 KB |