Chennai Mathematical Institute

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19992026

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math.AG2019

Rigidity of Bott-Samelson-Demazure-Hansen variety for $F_{4}$ and $G_{2}$

S. Senthamarai Kannan, Pinakinath Saha

Let $G$ be a simple algebraic group of adjoint type over $C,$ whose root system is of type $F_{4} .$ Let $T$ be a maximal torus of $G$ and $B$ be a Borel subgroup of $G$ co…

math.AG2019

Parabolic subgroups and Automorphism groups of Schubert varieties

S. Senthamarai Kannan, Pinakinath Saha

Let $G$ be a simple algebraic group of adjoint type over the field $C$ of complex numbers, $B$ be a Borel subgroup of $G$ containing a maximal torus $T$ of $G .$ Let $w$ be…

math.AG2019★ 2 cited

Positivity of vector bundles on homogeneous varieties

Indranil Biswas, Krishna Hanumanthu, D. S. Nagaraj

We study the following question: Given a vector bundle on a projective variety $X$ such that the restriction of $E$ to every closed curve $C \subset X$ is ample, under what con…

Rigidity of Bott-Samelson-Demazure-Hansen variety for F4​ and G2​

Parabolic subgroups and Automorphism groups of Schubert varieties

Positivity of vector bundles on homogeneous varieties

Rigidity of Bott-Samelson-Demazure-Hansen variety for $F_{4}$ and $G_{2}$