

Dobrushin Mathematics Laboratory Seminar
January 21, 2014 15:00, Moscow, room 307, IITP RAS (Bolshoy Karetniy per., 19)






The UMD Constants for Mixed Normed Lebesgue Spaces
Ya. Qiu^{} ^{} AixMarseille Université

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Abstract:
After a short introduction of the unconditional martingale property (UMD property) for Banach spaces, I will give an estimate for the constants appeared in the vectorvalued martingales" inequalities for defining this property. This estimate yields in particular a very natural construction of a Banach space (in fact Banach lattice) which is superreflexive but does not have the UMD property.

