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

Isomorphisms of unitary matrix spaces.- Inf-compact potentials and Banachic kernels.- On summability in conjugate Banach spaces.- Fixed points of nonexpansive mappings and Chebyshev centers in Banach spaces with norms of type (KK).- Best approximation and intersections of balls.- Estimates for the Pettis integral in interpolation spaces with some applications.- Elementary equivalence of L1-preduals.- Some open problems in the nonlinear classification of Banach spaces.- M-ideals, related spaces, and some approximation properties.- On Etcheberry's extended Milutin lemma.- Extreme points and an unusual Banach space.- Tensor products and nuclearity.- Linear operators in (F) - spaces.- Local duality of ultraproducts of Banach lattices.- On the existence of spheres and dual spheres without gap points.- Problems in the classification of certain compact spaces.- Eigenvalue problems depending nonlinearly on the parameter.- The weak Radon-Nikodym property in conjugate Banach spaces.- Order ?-continuous operators on Banach lattices.- The primariness of rearrangement invariant function p-spaces, 0