5 citations · 9 across the 4 of their papers we have counts for
4 papers
Relating tensor structures on representations of general linear and symmetric groups
Upendra Kulkarni, Shraddha Srivastava, K V Subrahmanyam
For polynomial representations of of a fixed degree, H. Krause defined a new internal tensor product using the language of strict polynomial functors. We show that over an a…
Sum formulas for reductive algebraic groups
Henning Haahr Andersen, Upendra Kulkarni
Let be a Weyl module either for a reductive algebraic group or for the corresponding quantum group . If is defined over a field of positive characteristic , res…
A homological interpretation of Jantzen's sum formula
Upendra Kulkarni
For a split reductive algebraic group, this paper observes a homological interpretation for Weyl module multiplicities in Jantzen's sum formula. This interpretation involves an Eul…
On the Ext groups between Weyl modules for GL_n
Upendra Kulkarni
This paper studies extension groups between certain Weyl modules for the algebraic group GL_n over the integers. Main results include: (1) A complete determination of Ext groups be…