Dr. Narasimha Chary Bonala
Assistant Professor
Department of Mathematics and Statistics
Indian Institute of Technology Kanpur
Kanpur, UP 208016
India.
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Office: 103, Block C, First Floor, Old SAC Building (Near Kargil Chowk)
Email: chary[AT]iitk.ac.in
Phone: 0512-259-2361
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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.
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Jan. 2019 - Dec. 2022 - Postdoctoral Researcher, Ruhr-Universität 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.
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EDUCATION
Ph.D. Mathematics, Chennai Mathematical Institute (CMI), Chennai, India.
M.Sc. Mathematics, University of Hyderabad, India.
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- 2024-25-I Semester: MTH436: Basic Algebraic Geometry.
- 2023-24-II Semester: Abstract Algebra, MSc.
- November 21-25, 2023 (Short course): Introduction to Linear algebraic Groups. Preparatory Lectures for the workshop on Spherical Varieties.
- 2023-24-I Semester: Introduction to toric varieties.
If you're interested, please send an email to me at chary@iitk.ac.in.
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Workshop on Spherical Varieties and related topics, December 2023 at IIT Madras, Chennai. To access further information, kindly refer to its webpage.
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A note on the Gromov width of toric manifolds, with Stéphanie Cupit-Foutou, Journal of Geometry and Physics (2024).
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On intersection cohomology with torus action of complexity one, II, with Marta Agustin Vicente and Kevin Langlois. Preprint.
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The Gromov width of Bott-Samelson varieties, with Stéphanie Cupit-Foutou, Transformation Groups (2022).
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Standard monomial theory and toric degenerations of Richardson varieties inside Grassmannians, with Fatemeh Mohammadi and Oliver Clarke, Journal of Algebraic Combinatorics, Vol. 54, (2021), 1159-1183.
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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), 165-192.
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On the torus quotients of Schubert varieties, with Santosha Kumar Pattanayak, International Journal of Mathematics, 32 (2021), no. 03, 2150012.
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A note on toric degeneration of a Bott-Samelson-Demazure-Hansen variety, Journal of Algebraic Combinatorics, 53 (2021), 177-199.
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Cohomology of line bundles on horospherical varieties, with Benoît Dejoncheere, Mathematische Zeitschrift, 296 (2020), 525-540.
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On Mori cone of Bott towers, Journal of Algebra, 507 (2018), 467-501. Erratum.
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On Fano and weak Fano Bott-Samelson-Demazure-Hansen varieties, Journal of Pure and Applied algebra 222 (2018), no.9, 2552-2561.
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Rigidity of Bott-Samelson-Demazure-Hansen variety for PSp(2n, C), with S.Senthamari Kannan, Journal of Lie theory 27 (2017), 435-468.
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Automorphism group of a Bott-Samelson-Demazure-Hansen Variety, with S.Senthamari Kannan, A.J Parameshwaran, Transformation Groups 20 (2015), no. 3, 665-698.
- Torus invariants of the homogeneous coordinate ring of G/B-connection with the Coxeter elements, with S.Senthamari Kannan and Santosha Kumar Pattanayak, Communications in Algebra 42(2014), no.5, 1880-1895.
- Thesis: Torus Quotients and Automorphism group of a Bott-Samelson-Demazure-Hansen variety, Ph.D Thesis, Chennai Mathematical Institute, India 2016.
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