Tirthankar Bhattacharyya

These are the publications by Tirthankar Bhattacharyya after he joined the department.


  1. Anand, Jatin and Bhattacharyya, Tirthankar and Srivastava, Sachi, Some thoughts on composition operators on subspaces of the Hardy space, Arch. Math. (Basel) , 114 (2020), 431-444. (Article) (Review)
  2. Bhattacharyya, Tirthankar and Biswas, Anindya and Chandel, Vikramjeet Singh, On the Nevanlinna problem: characterization of all Schur-Agler class solutions affiliated with a given kernel, Studia Math. , 255 (2020), 83-107. (Article) (Review)
  3. Bhattacharyya, Tirthankar and Rao, T. S. S. R. K., Survey of last ten years of work done in India in some selected areas of functional analysis and operator theory, Indian J. Pure Appl. Math. , 50 (2019), 599-617. (Article) (Review)
  4. Bhattacharyya, Tirthankar and Sau, Haripada, Holomorphic functions on the symmetrized bidisk--realization, interpolation and extension, J. Funct. Anal. , 274 (2018), 504-524. (Article) (Review)
  5. Bhattacharyya, T. and Narayanan, E. K. and Sarkar, Jaydeb, Analytic model of doubly commuting contractions, Oper. Matrices , 11 (2017), 101-113. (Article) (Review)
  6. Bhattacharyya, Tirthankar and Sau, Haripada, Γ-unitaries, dilation and a natural example, Publ. Res. Inst. Math. Sci. , 53 (2017), 261-285. (Article) (Review)
  7. Bhattacharyya, T. and Sau, H., Explicit and unique construction of tetrablock unitary dilation in a certain case, Complex Anal. Oper. Theory , 10 (2016), 749-768. (Article) (Review)
  8. Bhattacharyya, Tirthankar and Lata, Sneh and Sau, Haripada, Admissible fundamental operators, J. Math. Anal. Appl. , 425 (2015), 983-1003. (Article) (Review)
  9. Bhattacharyya, Tirthankar, The tetrablock as a spectral set, Indiana Univ. Math. J. , 63 (2014), 1601-1629. (Article) (Review)
  10. Bhattacharyya, Tirthankar and Pal, Sourav, A functional model for pure Γ-contractions, J. Operator Theory , 71 (2014), 327-339. (Article) (Review)
  11. Bhattacharyya, Tirthankar and Dritschel, Michael A. and Todd, Christopher S., Completely bounded kernels, Acta Sci. Math. (Szeged) , 79 (2013), 191-217. (Review)
  12. Bhattacharyya, Tirthankar and Grover, Priyanka, Characterization of Birkhoff-James orthogonality, J. Math. Anal. Appl. , 407 (2013), 350-358. (Article) (Review)
  13. Bhattacharya, Angshuman and Bhattacharyya, Tirthankar, Coincidence of Schur multipliers of the Drury-Arveson space, Acta Sci. Math. (Szeged) , 78 (2012), 265-277. (Review)
  14. Bhattacharyya, T. and Shyam Roy, S., Hilbert W∗-modules and coherent states, J. Phys. A , 45 (2012), 244020, 6. (Article) (Review)
  15. Bhattacharyya, Tirthankar, Abstract characteristic function, Complex Anal. Oper. Theory , 6 (2012), 91-103. (Article) (Review)
  16. Bhattacharyya, Tirthankar and Pal, Sourav and Shyam Roy, Subrata, Dilations of Γ-contractions by solving operator equations, Adv. Math. , 230 (2012), 577-606. (Article) (Review)
  17. Ali, S. Twareque and Bhattacharyya, T. and Roy, S. S., Coherent states on Hilbert modules, J. Phys. A , 44 (2011), 275202, 16. (Article) (Review)
  18. Bhattacharyya, Tirthankar and Sasane, Amol, Coherence of the real symmetric Hardy algebra, Oper. Matrices , 5 (2011), 303-308. (Article) (Review)
  19. Bhattacharya, Angshuman and Bhattacharyya, Tirthankar, Complete Pick positivity and unitary invariance, Studia Math. , 200 (2010), 149-162. (Article) (Review)
  20. Basu, Arnab and Bhattacharyya, Tirthankar and Borkar, Vivek S., A learning algorithm for risk-sensitive cost, Math. Oper. Res. , 33 (2008), 880-898. (Article) (Review)
  21. Bhattacharyya, T. and Eschmeier, J. and Sarkar, J., On CNC commuting contractive tuples, Proc. Indian Acad. Sci. Math. Sci. , 116 (2006), 299-316. (Article) (Review)
  22. Bhattacharyya, T. and Sarkar, J., Characteristic function for polynomially contractive commuting tuples, J. Math. Anal. Appl. , 321 (2006), 242-259. (Article) (Review)
  23. Bhattacharyya, T. and Eschmeier, J. and Sarkar, J., Characteristic function of a pure commuting contractive tuple, Integral Equations Operator Theory , 53 (2005), 23-32. (Article) (Review)
  24. Bhattacharyya, T. and Mohandas, J. P., Two-parameter uniformly elliptic Sturm-Liouville problems with eigenparameter-dependent boundary conditions, Proc. Edinb. Math. Soc. (2) , 48 (2005), 531-547. (Article) (Review)
  25. Bhattacharyya, Tirthankar and Misra, Gadadhar, Contractive and completely contractive homomorphisms of planar algebras, Illinois J. Math. , 49 (2005), 1181-1201. (Article) (Review)
  26. Rajarama Bhat, B. V. and Bhattacharyya, Tirthankar and Dey, Santanu, Standard noncommuting and commuting dilations of commuting tuples, Trans. Amer. Math. Soc. , 356 (2004), 1551-1568. (Article) (Review)
  27. Bagchi, Bhaskar and Bhattacharyya, Tirthankar and Misra, Gadadhar, Some thoughts on Ando's theorem and Parrott's example, Linear Algebra Appl. Special issue dedicated to Professor T. Ando, 341 (2002), 357-367. (Article) (Review)
  28. Bhat, B. V. Rajarama and Bhattacharyya, Tirthankar, A model theory for q-commuting contractive tuples, J. Operator Theory , 47 (2002), 97-116. (Review)
  29. Bhattacharyya, Tirthankar, Dilation of contractive tuples: a survey, Surveys in analysis and operator theory (Canberra, 2001) , 40 (2002), 89-126. (Review)
  30. Bhattacharyya, Tirthankar and Košir, Tomaž and Plestenjak, Bor, Right-definite multiparameter Sturm-Liouville problems with eigenparameter-dependent boundary conditions, Proc. Edinb. Math. Soc. (2) , 45 (2002), 565-578. (Article) (Review)
  31. Bhattacharya, T. and Binding, P. A. and Seddighi, K., Two-parameter right definite Sturm-Liouville problems with eigenparameter-dependent boundary conditions, Proc. Roy. Soc. Edinburgh Sect. A , 131 (2001), 45-58. (Article) (Review)
  32. Bhattacharyya, T. and Binding, P. A. and Seddighi, K., Multiparameter Sturm-Liouville problems with eigenparameter dependent boundary conditions, J. Math. Anal. Appl. , 264 (2001), 560-576. (Article) (Review)
  33. Bhattacharyya, Tirthankar and Košir, Tomaž, On commuting compact self-adjoint operators on a Pontryagin space, Integral Equations Operator Theory , 39 (2001), 377-386. (Article) (Review)

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