D. Eliseev

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math.RT2012

Kostant--Kumar polynomials and tangent cones to Schubert varieties for involutions in $A_{n}$ , $F_{4}$ and $G_{2}$

Mikhail V. Ignatyev, Dmitriy Y. Eliseev

Let $G$ be a reductive complex algebraic group, $T$ a maximal torus of $G$ , $B$ a Borel subgroup of $G$ containing $T$ , $Φ$ the root system of $G$ w.r.t. $T$ , $W$ the Weyl group of…

math.RT2011

Tangent Cones of Schubert Varieties for $A_{n}$ of lower rank

A. N. Panov, D. Yu. Eliseev

We calculate the tangent cones at unity of Schubert varieties for $A_{n}$ , where $n$ is less or equal to four. We state several conjectures for an arbitrary $n$ .

Kostant--Kumar polynomials and tangent cones to Schubert varieties for involutions in An​, F4​ and G2​

Tangent Cones of Schubert Varieties for An​ of lower rank

Kostant--Kumar polynomials and tangent cones to Schubert varieties for involutions in $A_{n}$ , $F_{4}$ and $G_{2}$

Tangent Cones of Schubert Varieties for $A_{n}$ of lower rank