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math.FA2017
Generalization of a theorem of Zippin
Petr Hajek, Thomas Schlumprecht, Andras Zsak
We generalize and prove a result which was first shown by Zippin, and was explicitly formulated by Benyamini.
math.FA2017
Strongly extreme points and approximation properties
Trond A. Abrahamsen, Petr Hájek, Olav Nygaard +1
We show that if is a strongly extreme point of a bounded closed convex subset of a Banach space and the identity has a geometrically and topologically good enough local approxi…
math.FA2017
Coarse embeddings into
Petr Hajek, Thomas Schlumprecht
Let be a large enough cardinal number (assuming GCH it suffices to let ). If is a Banach space with , which admits a coarse (or uniform) emb…