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Bhattacharyya, Tirthankar ; Kumar, Poornendu ; Sau, Haripada (2022) Distinguished varieties through the Berger-Coburn-Lebow theorem Analysis & PDE, 15 (2). pp. 477-506. ISSN 2157-5045

Bhattacharyya, Tirthankar ; Rastogi, Shubham ; Kumar, U. Vijaya (2022) The Joint Spectrum for a Commuting Pair of Isometries in Certain Cases Complex Analysis and Operator Theory, 16 (6). ISSN 1661-8254

Bhattacharyya, Tirthankar ; Krishna Das, B. ; Sau, Haripada (2022) Toeplitz operators and Hilbert modules on the symmetrized polydisc International Journal of Mathematics, 33 (12). ISSN 0129-167X

Anand, Jatin ; Bhattacharyya, Tirthankar ; Srivastava, Sachi (2020) Some thoughts on composition operators on subspaces of the Hardy space Archiv der Mathematik, 114 (4). pp. 431-444. ISSN 0003-889X

Bhattacharyya, Tirthankar ; Das, B Krishna ; Sau, Haripada (2020) Toeplitz Operators on the Symmetrized Bidisc International Mathematics Research Notices, 2021 (11). pp. 8763-8805. ISSN 1073-7928

Bhattacharyya, Tirthankar ; Rao, T. S. S. R. K. (2019) Survey of last ten years of work done in India in some selected areas of functional analysis and operator theory Indian Journal of Pure and Applied Mathematics, 50 (3). pp. 599-617. ISSN 0019-5588

Bhattacharyya, Tirthankar ; Sau, Haripada (2018) Holomorphic functions on the symmetrized bidisk – Realization, interpolation and extension Journal of Functional Analysis, 274 (2). pp. 504-524. ISSN 0022-1236

Bhattacharyya, Tirthankar ; Narayanan, E. K. ; Sarkar, Jaydeb (2017) Analytic model of doubly commuting contractions Operators and Matrices (1). pp. 101-113. ISSN 1846-3886

Bhattacharyya, Tirthankar ; Sau, Haripada (2017) $\Gamma$-Unitaries, Dilation and a Natural Example Publications of the Research Institute for Mathematical Sciences - Series A, 53 (2). pp. 261-285. ISSN 0034-5318

Bhattacharyya, T. ; Sau, H. (2016) Explicit and unique construction of tetrablock unitary dilation in a certain case Complex Analysis and Operator Theory, 10 (4). pp. 749-768. ISSN 1661-8254

Bhattacharyya, Tirthankar ; Lata, Sneh ; Sau, Haripada (2015) Admissible fundamental operators Journal of Mathematical Analysis and Applications, 425 (2). pp. 983-1003. ISSN 0022-247X

Bhattacharyya, Tirthankar ; Pal, Sourav (2014) A functional model for pure Γ-contractions Journal of Operator Theory, 71 (2). pp. 327-339. ISSN 0379-4024

Bhattacharyya, Tirthankar (2014) The tetrablock as a spectral set Indiana University Mathematics Journal, 63 (6). pp. 1601-1629. ISSN 0022-2518

Bhattacharyya, Tirthankar ; Das, Bata Krishna ; Sarkar, Santanu (2013) The defect sequence for contractive tuples Linear Algebra and its Applications, 438 (1). pp. 315-330. ISSN 0024-3795

Bhattacharyya, Tirthankar ; Grover, Priyanka (2013) Characterization of Birkhoff–James orthogonality Journal of Mathematical Analysis and Applications, 407 (2). pp. 350-358. ISSN 0022-247X

Bhattacharyya, Tirthankar ; Dritschel, Michael A. ; Todd, Christopher S. (2013) Completely bounded kernels Acta Scientiarum Mathematicarum (Szeged), 79 (1-2). pp. 191-217. ISSN 0001-6969

Bhattacharyya, Tirthankar (2012) Abstract characteristic function Complex Analysis and Operator Theory, 6 (1). pp. 91-103. ISSN 1661-8254

Bhattacharyya, Angshuman ; Bhattacharyya, Tirthankar (2012) Coincidence of Schur multipliers of the drury-arveson space Acta Scientiarum Mathematicarum, 78 (1-2). pp. 265-277. ISSN 0001-6969

Bhattacharyya, Tirthankar ; Pal, Sourav ; Shyam Roy, Subrata (2012) Dilations of Γ-contractions by solving operator equations Advances in Mathematics, 230 (2). pp. 577-606. ISSN 0001-8708

Bhattacharyya, T. ; Shyam Roy, S. (2012) Hilbert W*- modules and coherent states Journal of Physics A: Mathematical and Theoretical, 45 (24). Article ID 244020. ISSN 1751-8113

Bhattacharyya, Tirthankar ; Sasane, Amol (2011) Coherence of the real symmetric hardy algebra Operators and Matrices, 5 (2). pp. 303-308. ISSN 1846-3886

Twareque Ali, S. ; Bhattacharyya, T. ; Shyam Roy, S. (2011) Coherent states on Hilbert modules Journal of Physics A: Mathematical and Theoretical, 44 (27). Article ID 275202. ISSN 1751-8113

Bhattacharya, Angshuman ; Bhattacharyya, Tirthankar (2010) Complete pick positivity and unitary invariance Studia Mathematica, 200 (2). pp. 149-162. ISSN 0039-3223

Bhattacharyya, T. ; Eschmeier, J. ; Sarkar, J. (2006) On CNC commuting contractive tuples Proceedings of the Indian Academy of Sciences - Mathematical Sciences, 116 (3). pp. 299-316. ISSN 0370-0089

Bhattacharyya, T. ; Sarkar, J. (2006) Characteristic function for polynomially contractive commuting tuples Journal of Mathematical Analysis and Applications, 321 (1). pp. 242-259. ISSN 0022-247X

Bhattacharyya, T. ; Eschmeier, J. ; Sarkar, J. (2005) Characteristic function of a pure commuting contractive tuple Integral Equations and Operator Theory, 53 (1). pp. 23-32. ISSN 0378-620X

Bhattacharyya, Tirthankar ; Mohandas, J. P. (2005) Two-parameter uniformly elliptic Sturm–Liouville problems with eigenparameter-dependent boundary conditions Proceedings of the Edinburgh Mathematical Society, 48 (3). pp. 531-547. ISSN 0013-0915

Bagchi, Bhaskar ; Bhattacharyya, Tirthankar ; Misra, Gadadhar (2002) Some thoughts on ando’s theorem and parrott’s example Linear Algebra and its Applications, 341 (1-3). pp. 357-367. ISSN 0024-3795

Bhattacharyya, Tirthankar ; Kosir, T. ; Plestenjak, Bor (2002) Right-definite multiparameter sturm–liouville problems with eigenparameter-dependent boundary conditions Proceedings of the Edinburgh Mathematical Society, 45 (03). pp. 565-578. ISSN 0013-0915

Bhattacharyya, Tirthankar ; Binding, H. ; Seddighi, P. A. (2001) Multiparameter Sturm-Liouville problems with eigenparameter dependent boundary conditions Journal of Mathematical Analysis and Applications, 264 (2). pp. 560-576. ISSN 0022-247X

Bhattacharyya, Tirthankar ; Kosir, Tomaz (2001) Commuting compact self-adjoint operators on a pontryagin space Integral Equations and Operator Theory, 39 (4). pp. 377-386. ISSN 0378-620X

Bhattacharya, Tirthankar ; Binding, P. A. ; Seddighi, K (2001) Two parameter right definite Sturm-Liouville problems with eigenparameter-dependent boundary conditions Proceedings of the Royal Society of Edinburgh Section A Mathematics, 131 (1). pp. 45-48. ISSN 0308-2105

Bhattacharyya, Tirthankar (1999) On finite-dimensional commutative non-hermitian fusion algebras Linear Algebra and Its Applications, 287 (1-3). pp. 87-103. ISSN 0024-3795

Bhattacharyya, Tirthankar (1996) On tuples of commuting compact operators Publications of the Research Institute for Mathematical Sciences, 32 (5). pp. 785-795. ISSN 0034-5318

Bhatia, Rajendra ; Bhattacharyya, Tirthankar (1993) A Henrici theorem for joint spectra of commuting matrices Proceedings of the American Mathematical Society, 118 (1). pp. 5-14. ISSN 0002-9939