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Dobrushin Mathematics Laboratory Seminar

January 21 (Tuesday), 1600, IITP RAS, room 307  

1500 

Yanqi Qiu (Aix-Marseille Université)

The UMD Constants for Mixed Normed Lebesgue Spaces 

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 vector-valued 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 super-reflexive but does not have the UMD property. 

1600

Ilya Shkredov 

On Quantitative Version of Beurling-Helson Theorem

 

page of seminar


 

21.01.2014 |
 

 

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