Banach Space Theory and its Applications: Proceedings of the First Romanian GDR Seminar Held at Bucharest, Romania, August 31 - September 6, 1981 (Lecture Notes in Mathematics)

Isomorphisms of unitary matrix spaces....Pages 1-6 Inf-compact potentials and Banachic kernels....Pages 7-27 On summability in conjugate Banach spaces....Pages 28-34 Fixed points of nonexpansive mappings and Chebyshev centers in Banach spaces with norms of type (KK)....Pages 35-43 Best approximation and intersections of balls....Pages 44-54 Estimates for the Pettis integral in interpolation spaces with some applications....Pages 55-78 Elementary equivalence of L 1 -preduals....Pages 79-90 Some open problems in the nonlinear classification of Banach spaces....Pages 91-95 M-ideals, related spaces, and some approximation properties....Pages 96-102 On Etcheberry's extended Milutin lemma....Pages 103-110 Extreme points and an unusual Banach space....Pages 111-123 Tensor products and nuclearity....Pages 124-129 Linear operators in (F) - spaces....Pages 130-136 Local duality of ultraproducts of Banach lattices....Pages 137-142 On the existence of spheres and dual spheres without gap points....Pages 143-148 Problems in the classification of certain compact spaces....Pages 149-155 Eigenvalue problems depending nonlinearly on the parameter....Pages 156-181 The weak Radon-Nikodym property in conjugate Banach spaces....Pages 182-187 Order σ-continuous operators on Banach lattices....Pages 188-201 The primariness of rearrangement invariant function p-spaces, 0