Upendra Kulkarni

most citedOn the Ext groups between Weyl modules for GL_n

5 citations · 9 across the 3 of their papers we have counts for

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math.RT2006

Sum formulas for reductive algebraic groups

Henning Haahr Andersen, Upendra Kulkarni

Let $V$ be a Weyl module either for a reductive algebraic group $G$ or for the corresponding quantum group $U_{q}$ . If $G$ is defined over a field of positive characteristic $p$ , res…

math.RT2005★ 4 cited

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…

math.RT2005★ 5 cited

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…