The Three-Space Problem for L 1
The Three-Space Problem for L 1
复制标题
L 1 的三空间问题
DOI:
10.2307/1990983
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发表时间:
1990
影响因子:
3.9
通讯作者:
M. Talagrand
中科院分区:
文献类型:
--
作者:
M. Talagrand
We construct a subspace X of L1 such that X is an 1 -sum of spaces isomorphic to 11 but such that L1/X does not contain a copy of L1. We also construct two Banach spaces E1, E2 that do not contain a copy of LI but such that E1 x E2 contains a copy of L1 . Moreover, the projections This content downloaded from 207.46.13.150 on Thu, 28 Jul 2016 05:31:04 UTC All use subject to http://about.jstor.org/terms THE THREE-SPACE PROBLEM FOR L' 29 of LI on each factor are one-to-one, and the images of the unit ball of L1 are closed. These examples settle questions of J. Lindenstrauss, P. Pelczynski, J. Bourgain, and H. P. Rosenthal. EQUIPE D'ANALYSE-TOUR 46, U.A. AU C.N.R.S. N0 754, UNIVERSITt PARIS VI, 4 PLACE JUSSIEU, 75230 PARIS CEDEX 05 DEPARTMENT OF MATHEMATICS, OHIO STATE UNIVERSITY, 231 W. 18TH AVENUE, COLUMBUS, OHIO 43210 This content downloaded from 207.46.13.150 on Thu, 28 Jul 2016 05:31:04 UTC All use subject to http://about.jstor.org/terms