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Shells of twisted flag varieties and non-decomposibility of the Rost invariant
Shells of twisted flag varieties non-decomposibility of the Rost invariant
2011/1/20
In the present article we introduce two new general methods to compute the Chow motives of homogeneous varieties.
Poset pinball, the dimension pair algorithm, and type A regular nilpotent Hessenberg varieties
Poset pinball the dimension pair algorithm type regular nilpotent Hessenberg varieties
2011/2/22
In thismanuscript we develop the theory of poset pinball, a combinatorial game recently introduced by Harada and Tymoczko for the study of the equivariant cohomology rings of GKM-compatible subspaces ...
Nevanlinna-Pick interpolation on distinguished varieties in the bidisk
Nevanlinna-Pick interpolation distinguished varieties bidisk
2010/12/9
We consider Nevanlinna-Pick interpolation in the setting of a special class of algebraic curves called distinguished varieties.An interpolation theorem, along with additional operator
theoretic resul...
Betti numbers of smooth Schubert varieties and the remarkable formula of Kostant,Macdonald,Shapiro and Steinberg
Betti numbers of smooth Schubert varieties remarkable formula of Kostant Macdonald,Shapiro Steinberg
2010/12/7
The purpose of this note is to give a refinement of the product formula proved in [1] for
the Poincar´e polynomial of a smooth Schubert variety in the flag variety of an algebraic group G over ...