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pro vyhledávání: '"Robert C, James"'
Autor:
Robert C. James
Publikováno v:
The American Mathematical Monthly. 89:625
The publication of Banach's book [2] in 1932 might be regarded as marking the beginning of the systematic study of Banach spaces. Research activity in this area has expanded dramatically during the past two decades. Interesting new directions have de
Autor:
Robert C. James
Publikováno v:
Proceedings of the American Mathematical Society. 83:442
The theorem on p. 632 is false without an additional hypothesis. The proof becomes correct if the definition of Q-subset is strengthened to include the condition: (C) For some p > 0, (qPI CO / TITP2I eC ( whenever IIP1 P211 < p and both T , and TP2 b
Autor:
Robert C. James
Publikováno v:
Proceedings of the American Mathematical Society. 80:631
ABsmAcT. Let 4) be a subset of the unit sphere of 11 and let X be c0, renormed by using 4) and letting x = y if ljjx yljl = 0. Two conditions are given, which together imply X is "almost isometric" to a subspace of c0. One condition is satisfied if 4
Autor:
Robert C. James
Publikováno v:
The Annals of Mathematics. 80:542
Autor:
Robert C. James
Publikováno v:
Proceedings of the American Mathematical Society. 6:899
Autor:
Robert C. James
Publikováno v:
The Annals of Mathematics. 52:518
Publikováno v:
National Mathematics Magazine. 19:104
Autor:
Robert C. James
Publikováno v:
The Annals of Mathematics. 66:159