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math.AG2018
Twisted quadratic foldings of root systems
Martina Lanini, Kirill Zainoulline
In the present paper we study twisted foldings of root systems which generalize usual involutive foldings corresponding to automorphisms of Dynkin diagrams. Our motivating example…
math.RT2018
The Steinberg-Lusztig tensor product theorem, Casselman-Shalika and LLT polynomials
Martina Lanini, Arun Ram
In this paper we establish a Steinberg-Lusztig tensor product theorem for abstract Fock space. This is a generalization of the type A result of Leclerc-Thibon and a Grothendieck gr…