2 papers
math.QA2019
Total positivity is a quantum phenomenon: the grassmannian case
Stéphane Launois, Tom Lenagan, Brendan Nolan
The main aim of this paper is to establish a deep link between the totally nonnegative grassmannian and the quantum grassmannian. More precisely, under the assumption that the defo…
math.QA2015
A strong Dixmier-Moeglin equivalence for quantum Schubert cells
Jason Bell, Stéphane Launois, Brendan Nolan
Dixmier and Moeglin gave an algebraic condition and a topological condition for recognising the primitive ideals among the prime ideals of the universal enveloping algebra of a fin…