Saurav Bhaumik

activity

20122026

most citedElectron-phonon interaction contribution to the total energy of group IV semiconductor polymorphs: evaluation and implications

6 citations · 9 across the 8 of their papers we have counts for

collaborators

9 papers

math.AG2026

Algebraic and analytic Brauer groups of homogeneous spaces

Saurav Bhaumik, Pinakinath Saha

In this article, we compute both the algebraic and the analytic Brauer groups of a homogeneous space under the action of a connected, simply connected, semisimple complex algebraic…

math.AG2022

Line bundles on $G$ -Bott-Samelson-Demazure-Hansen varieties

Saurav Bhaumik, Pinakinath Saha

Let $G$ be a semi-simple simply connected algebraic group over an algebraically closed field $k$ of arbitrary characteristic. Let $B$ be a Borel subgroup of $G$ containing a maxima…

math.RT2022

On universal subspaces for Lie groups

Saurav Bhaumik, Arunava Mandal

Let $U$ be a finite dimentional vector space over $R$ or $C$ , and let $ρ : G \to G L (U)$ be a representation of a connected Lie group $G$ . A linear subspace $V\subset U…

cond-mat.mtrl-sci2022★ 6 cited

Electron-phonon interaction contribution to the total energy of group IV semiconductor polymorphs: evaluation and implications

R. Arjun Varma, Shilpa Paul, Anup Itale +8

In density functional theory (DFT) based total energy studies, the van der Waals (vdW) and zero-point vibrational energy (ZPVE) correction terms are included to obtain energy diffe…

math.GR2017

On the density of images of the power maps in Lie groups

Saurav Bhaumik, Arunava Mandal

Let $G$ be a connected Lie group. In this paper, we study the density of the images of individual power maps $P_{k} : G \to G : g \mapsto g^{k}$ . We give criteria for the density of $P_{k} (G)$ …

math.AG2014

The Chow ring for the classifying space of $GO (2 n)$

Saurav Bhaumik

Let $GO (2 n)$ be the general orthogonal group scheme (the group of orthogonal similitudes). In the topological category, Y. Holla and N. Nitsure determined the singular cohomology r…

math.AG2013★ 1 cited

Quadric invariants and degeneration in smooth-etale cohomology

Saurav Bhaumik, Nitin Nitsure

For a regular pair $(X, Y)$ of schemes of pure codimension 1 on which 2 is invertible, we consider quadric bundles on $X$ which are nondegenerate on $X - Y$ , but are minimally degener…

math.AG2012★ 1 cited

Harder-Narasimhan Filtrations which are not split by the Frobenius maps

Saurav Bhaumik, Vikram Mehta

Let $X$ be a smooth projective variety over a perfect field $k$ of characteristic $p > 0$ , and $V$ be a vector bundle over $X$ . It is well known that if $X$ is a curve and $V$ is not…

math.AG2012★ 1 cited

Characteristic Classes for GO(2n) in Étale Cohomology

Saurav Bhaumik

Let GO(2n) be the general orthogonal group (the group of similitudes) over any algebraically closed field of characteristic not equal to 2. We determine the etale cohomology ring w…

Algebraic and analytic Brauer groups of homogeneous spaces

Line bundles on G-Bott-Samelson-Demazure-Hansen varieties

On universal subspaces for Lie groups

Electron-phonon interaction contribution to the total energy of group IV semiconductor polymorphs: evaluation and implications

On the density of images of the power maps in Lie groups

The Chow ring for the classifying space of GO(2n)

Quadric invariants and degeneration in smooth-etale cohomology

Harder-Narasimhan Filtrations which are not split by the Frobenius maps

Characteristic Classes for GO(2n) in Étale Cohomology

Line bundles on $G$ -Bott-Samelson-Demazure-Hansen varieties

The Chow ring for the classifying space of $GO (2 n)$