Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Virk, Rahbar"'
We consider categories of equivariant mixed Tate motives, where equivariant is understood in the sense of Borel. We give the two usual definitions of equivariant motives, via the simplicial Borel construction and via algebraic approximations of it. T
Externí odkaz:
http://arxiv.org/abs/1809.05480
Autor:
Virk, Rahbar
A variation on the splitting principle
Externí odkaz:
http://arxiv.org/abs/1609.00721
Autor:
Virk, Rahbar
Observations on rational Chow groups and cycle class maps in equivariant contexts.
Comment: Exposition streamlined; references added
Comment: Exposition streamlined; references added
Externí odkaz:
http://arxiv.org/abs/1508.00933
Autor:
Virk, Rahbar
A simple explanation for the ubiquity of "vanishing of cohomology in odd degrees" in equivariant contexts is given.
Comment: References plus some complements added
Comment: References plus some complements added
Externí odkaz:
http://arxiv.org/abs/1507.07279
Autor:
Virk, Rahbar
It is well known that the Euler characteristic of the cohomology of a complex algebraic variety coincides with the Euler characteristic of its cohomology with compact support. An old result of G. Laumon asserts that a relative version of this stateme
Externí odkaz:
http://arxiv.org/abs/1406.4855
Autor:
Virk, Rahbar
This note concerns geometric aspects of the local Langlands correspondence for real groups as extended from Langlands' original work by Adams-Barbasch-Vogan, and further (conjectural) formulations by W. Soergel. The main result concerns purity (in th
Externí odkaz:
http://arxiv.org/abs/1312.7483
Autor:
Virk, Rahbar
Comments on extensions of Verma modules in the Bernstein-Gelfand-Gelfand Category O.
Comment: Crucial flaw in proof of Theorem 3. The argument only gives a lower bound, not purity as claimed (the latter most likely does not hold except for in sm
Comment: Crucial flaw in proof of Theorem 3. The argument only gives a lower bound, not purity as claimed (the latter most likely does not hold except for in sm
Externí odkaz:
http://arxiv.org/abs/1303.6535
Autor:
Virk, Rahbar
A construction of braid group actions on coherent sheaves using mixed Hodge modules and some well known constructions from geometric representation theory is given.
Comment: 6 pages
Comment: 6 pages
Externí odkaz:
http://arxiv.org/abs/1210.7861
The affine and degenerate affine Birman-Murakami-Wenzl (BMW) algebras arise naturally in the context of Schur-Weyl duality for orthogonal and symplectic quantum groups and Lie algebras, respectively. Cyclotomic BMW algebras, affine and cyclotomic Hec
Externí odkaz:
http://arxiv.org/abs/1205.1852
The degenerate affine and affine BMW algebras arise naturally in the context of Schur-Weyl duality for orthogonal and symplectic Lie algebras and quantum groups, respectively. Cyclotomic BMW algebras, affine Hecke algebras, cyclotomic Hecke algebras,
Externí odkaz:
http://arxiv.org/abs/1105.4207