activity
20082021
most citedCombinatorics of -orbits and Bruhat--Chevalley order on involutions

10 citations · 25 across the 15 of their papers we have counts for

collaborators

16 papers

math.RA2021★ 1 cited

The geometric classification of -step nilpotent algebras and applications

Mikhail Ignatyev, Ivan Kaygorodov, Yury Popov

We give a geometric classification of complex -dimensional -step nilpotent (all, commutative and anticommutative) algebras. Namely, has been found the number of irreducible c…

math.AG2020

On tangent cones to Schubert varieties in type

Mikhail V. Ignatyev, Aleksandr A. Shevchenko

We consider tangent cones to Schubert subvarieties of the flag variety , where is a Borel subgroup of a reductive complex algebraic group of type , or …

math.RT2020

The orbit method for locally nilpotent infinite-dimensional Lie algebras

Mikhail V. Ignatyev, Alexey Petukhov

Let be a locally nilpotent infinite-dimensional Lie algebra over . Let and be its universal envelop…

math.RT2019

Centrally generated primitive ideals of for exceptional types

Mikhail V. Ignatyev, Aleksandr A. Shevchenko

Let be a complex semisimple Lie algebra, be a Borel subalgebra of , be the nilradical of , and $U(\mathfrak…

math.RT2018

On involutions in the Weyl group and -orbit closures in the orthogonal case

Mikhail V. Ignatyev

We study coadjoint -orbits on , where is a Borel subgroup of a complex orthogonal group , and is the Lie algebra of the unipotent radical o…

math.RT2017

Centrally generated primitive ideals of in types and

Mikhail V. Ignatyev

We study the centrally generated primitive ideals of , where is the (locally) nilpotent radical of a (splitting) Borel subalgebra of a simple comple…