Dr. Narasimha Chary Bonala
Assistant Professor
Department of Mathematics and Statistics
Indian Institute of Technology Kanpur
Kanpur, UP 208016
India.

Office: 103, Block C, First Floor, Old SAC Building (Near Kargil Chowk)
Email: chary[AT]iitk.ac.in
Phone: 05122592361

Algebraic Groups, Algebraic geometry and Representation Theory.
I am mainly interested in algebraic group actions on algebraic varieties; the geometry of flag varieties, torus actions, toric varieties and spherical varieties.

Jan. 2019  Dec. 2022  Postdoctoral Researcher, RuhrUniversität Bochum, Germany.
Jan. 2018  Dec. 2018  Postdoctoral Researcher, Max Planck Institute for Mathematics, Bonn, Germany.
Oct. 2016  Oct. 2017  Postdoctoral Researcher, Institut Fourier, Université Grenoble Alpes, Grenoble, France.
April 2016  Sep. 2016  Postdoctoral Researcher, Institute of Mathematical Science (IMSc), Chennai, India.

EDUCATION
Ph.D. Mathematics, Chennai Mathematical Institute (CMI), Chennai, India.
M.Sc. Mathematics, University of Hyderabad, India.

 202324II Semester: Abstract Algebra, MSc.
 November 2125, 2023 (Short course): Introduction to Linear algebraic Groups. Preparatory Lectures for the workshop on Spherical Varieties.
 202324I Semester: Introduction to toric varieties.
If you're interested, please send an email to me at chary@iitk.ac.in.

Workshop on Spherical Varieties and related topics, December 2023 at IIT Madras, Chennai. To access further information, kindly refer to its webpage.


A note on the Gromov width of toric manifolds, with Stéphanie CupitFoutou. Preprint.

On intersection cohomology with torus action of complexity one, II, with Marta Agustin Vicente and Kevin Langlois. Preprint.

The Gromov width of BottSamelson varieties, with Stéphanie CupitFoutou, Transformation Groups (2022).

Standard monomial theory and toric degenerations of Richardson varieties inside Grassmannians, with Fatemeh Mohammadi and Oliver Clarke, Journal of Algebraic Combinatorics, Vol. 54, (2021), 11591183.

Standard monomial theory and toric degenerations of Richardson varieties inside flag varieties, with Fatemeh Mohammadi and Oliver Clarke, Women in Commutative Algebra, Proceedings of the 2019 WICA Workshop (AWMS book series, Vol. 29), (2021), 165192.

On the torus quotients of Schubert varieties, with Santosha Kumar Pattanayak, International Journal of Mathematics, 32 (2021), no. 03, 2150012.

A note on toric degeneration of a BottSamelsonDemazureHansen variety, Journal of Algebraic Combinatorics, 53 (2021), 177199.

Cohomology of line bundles on horospherical varieties, with Benoît Dejoncheere, Mathematische Zeitschrift, 296 (2020), 525540.

On Mori cone of Bott towers, Journal of Algebra, 507 (2018), 467501. Erratum.

On Fano and weak Fano BottSamelsonDemazureHansen varieties, Journal of Pure and Applied algebra 222 (2018), no.9, 25522561.

Rigidity of BottSamelsonDemazureHansen variety for PSp(2n, C), with S.Senthamari Kannan, Journal of Lie theory 27 (2017), 435468.

Automorphism group of a BottSamelsonDemazureHansen Variety, with S.Senthamari Kannan, A.J Parameshwaran, Transformation Groups 20 (2015), no. 3, 665698.
 Torus invariants of the homogeneous coordinate ring of G/Bconnection with the Coxeter elements, with S.Senthamari Kannan and Santosha Kumar Pattanayak, Communications in Algebra 42(2014), no.5, 18801895.
 Thesis: Torus Quotients and Automorphism group of a BottSamelsonDemazureHansen variety, Ph.D Thesis, Chennai Mathematical Institute, India 2016.
