Ministry of Education
Tirthankar Bhattacharya
VIDWAN ID: 22811

Prof Tirthankar Bhattacharya

Male Doctor of Philosophy
Professor (HAG) | Mathematics
Indian Institute of Science, Bangalore
Karnataka
Expertise: Mathematics
ORCID 0000-0002-9566-0815 Scopus 56213617200 Google Scholar YSMcUQcAAAAJ
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73 Publications
0 Projects
493 Scopus Citations
363 CrossRef
4 Years 1 Month Total Experience
Publications
73 Total
Articles
69
Books
1
Chapters
2
Proceedings
1
Activity

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Scopus Scopus
493 Citations
12 h-index
CrossRef CrossRef
363 Citations
10 h-index
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Professional Recognition

Fellowship
2016
Indian Academy of Sciences
INSA Fellow
2020
Indian National Science Academy
J C Bose Fellowship
2022
SERB

Community & Membership

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American Mathematical Society
Life member
Jan 2007

Personal Details

Doctor of Philosophy
N/A
Professor (HAG)
Aug 2022 – Present
Indian Institute of Science, Bangalore | Mathematics
Physical Sciences
Mathematics

Related Profiles

Scholarly Work

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Complete unitary invariants for tuples of Hilbert space operators

University Indian Institute of Science (IISc) Bangalore
Year 2006
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Oscillation theory for elliptic multiparameter eigenvalue problems

University Indian Institute of Science (IISc) Bangalore
Year 2006
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Some Problems in Multivariable Operator Theory

University Indian Institute of Science (IISc) Bangalore
Year 2014
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Operator theory on symmetrized bidisc and tetrablock - some explicit constructions

University Indian Institute of Science (IISc) Bangalore
Year 2016
Downloads 0

Dilation Theory of Contractions and Nevanlinna-Pick Interpolation Problem

University Indian Institute of Science Bengaluru
Year 2014
Downloads 0

Dilations, Functoinal Model And A Complete Unitary Invariant Of A r-contraction

University Indian Institute of Science Bengaluru
Year 2011
Downloads 0

Duality for Spaces of Holomorphic Functions into a Locally Convex Topological Vector Space

University Indian Institute of Science Bengaluru
Year 2018
Downloads 0

On the Geometry and Operator Theory of the Bidisc and the Symmetrized Bidisc

University Indian Institute of Science Bengaluru
Year 2021
Downloads 0
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Scholarly Publications

Ken Ono

Note
Current Science. Year: 2020. Volume: 118 , Issue: 3 , Pages: 339-344 .

Erratum: Toeplitz Operators on the Symmetrized Bidisc (International Mathematics Research Notices (2021) 2021:11 (8492–8520) DOI: 10.1093/imrn/rnz333)

Erratum
International Mathematics Research Notices. Year: 2023. Volume: 2023 , Issue: 4 , Pages: 3597 .
Authors: Tirthankar Bhattacharyya; B Krishna Das; Haripada Sau
DOI 10.1093/imrn/rnab252

Complete Nevanlinna-Pick kernels and the characteristic function

Open Access
Journal Article
Advances in Mathematics. Year: 2023. Volume: 426 .
Authors: Tirthankar Bhattacharyya; Abhay Jindal
DOI 10.1016/j.aim.2023.109089 Crossref Crossref: 5 Scopus Scopus: 5

Sequences of operator algebras converging to odd spheres in the quantum Gromov–Hausdorff distance

Journal Article
Indian Journal of Pure and Applied Mathematics. Year: 2024. Volume: 55 , Issue: 3 , Pages: 904-910 .
Authors: Tirthankar Bhattacharyya; Sushil Singla
DOI 10.1007/s13226-024-00635-y Crossref Crossref: 1 Scopus Scopus: 1

Complete Nevanlinna–Pick kernels and the Schwarz lemma

Journal Article
Complex Variables and Elliptic Equations. Year: 2025. Volume: 70 , Issue: 12 , Pages: 2151-2165 .
Authors: Daniel Alpay; Tirthankar Bhattacharyya; Abhay Jindal; Poornendu Kumar
DOI 10.1080/17476933.2025.2454683

DOUBLY COMMUTING AND DUAL DOUBLY COMMUTING SEMIGROUPS OF ISOMETRIES

Journal Article
Journal of Operator Theory. Year: 2025. Volume: 93 , Issue: 1 , Pages: 217-228 .
Authors: Tirthankar Bhattacharyya; Shubham Rastogi; Vijaya Kumar U.
DOI 10.7900/jot.2023jan28.2425 Crossref Crossref: 1 Scopus Scopus: 1

KERNELS WITH COMPLETE NEVANLINNA–PICK FACTORS AND THE CHARACTERISTIC FUNCTION

Journal Article
Journal of Operator Theory. Year: 2025. Volume: 94 , Issue: 1 , Pages: 271-289 .
Authors: Department of Mathematics, Indian Institute of Science, Bangalore, 560012, India; Tirthankar Bhattacharyya; Abhay Jindal
DOI 10.7900/jot.2023dec09.2445

A henrici theorem for joint spectra of commuting matrices

Open Access
Journal Article
Proceedings of the American Mathematical Society. Year: 1993. Volume: 118 , Issue: 1 , Pages: 5-14 .
Authors: Bhatia, R.; Bhattacharyya, T.
DOI 10.1090/S0002-9939-1993-1160292-7 Crossref Crossref: 3 Scopus Scopus: 7
Showing 1 to 8 of 73 publications