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Dr. Nityagopal Biswas

Designation: Assistant Professor
Qualification: M.Sc. (IIT Delhi, 2013), Ph.D. (University of Kalyani, 2019)
Email: nityaiitdelhi@gmail.com / nb.math@chakdahacollege.ac.in
Specialization: Cryptography, Advanced Matrix Theory and Numerical Optimization.
Syllabus Taught:
Semester Hons. Programme
Sem-I Linear Algebra ---
Sem-II Real Analysis Differential Equations
Sem-III Group Theory I Real Analysis
Sem-IV Series of Functions ---
Sem-V Group Theory II Linear Algebra
Sem-VI Complex Analysis ---
Research Experience: 8 Years (including the experience during Ph.D. work)
Research Interest: Nevanlinna’s Value Distribution Theory (30D35), Complex Linear Differential Equations (34M10), Linear Difference and Differential- Difference Equations (34K06, 34K12), Fixed-Point Theorems (47H10), Bi-Complex Valued Metric Space.
Research Publications::
  1. S. K. Datta, R. Sarkar, N. Biswas and T. Sarkar, “Some Common Fixed Point Theorem for Rational Type Contraction Mappings in Partial Metric Space”, Accepted (2022) for publication in GANITA.
  2. N. Biswas and P. Shaoo, “Growth properties of solutions of linear difference equations with coefficients having -order” Accepted (2020) for publication in Studia Universitatis Babeș-Bolyai Mathematica (Scopus Indexed).
  3. I. H. Jebril, N. Biswas and S. K. Datta, “On the growth analysis of meromorphic solutions of finite logarithmic order of linear difference equations in the unit disc”International Conference on Information Technology, ICIT 2021-Proceedings, 2021, pp. 582–588, 9491782, http://10.1109/ICIT52682.2021.9491782 .
  4. R. P. Agarwal, S. K. Datta, N. Biswas and S. Tamang, “Growth properties of solutions of complex linear differential equations with entire and meromorphic coefficients of order”, Accepted (2021) in Int. J. Nonlinear Anal. Appl., In Press, 1-9http://10.22075/IJNAA.2021.22306.2348 (Scopus Indexed)
  5. I. H. Jebril, S. K. Datta, R. Sarkar and N. Biswas, Common Fixed Point Theorem in Probabilistic Metric Space Using Lukasiecz t-norm and Product t-norm, J. Stat. Appl. Pro., Vol. 10, No. 3 (2021), pp. 1-5, http://dx.doi.org/10.18576/jsap/paper JSAP091020AG (Scopus Indexed)
  6. N. Biswas, Growth properties of solutions of complex linear differential-difference equations with coefficients having the same logarithmic order, Korean J. Math., Vol. 29, No. 3 (2021), pp. 473-481, http://dx.doi.org/10.11568/kjm.2021.29.3.473.
  7. I. H. Jebril, S. K. Datta, R. Sarkar and N. Biswas: “Common Fixed Point Theorems under Rational Contractions using Two Mappings and Six Mappings and Coupled Fixed Point Theorem in Bi complex Valued b-metric Space” TWMS J. of Apl. and Eng. Math., Vol. 11, No. 3 (2021), pp. 804-813. (Scopus Indexed)
  8. N. Biswas, S. K. Datta and G. Chakraborty, Growth properties of solutions of complex linear differential- difference equations with coefficients having the same logarithmic order in the unit disc, Journal of the Indian Math. Soc., Vol. 88, Nos. (3-4) (2021), pp. 237-249. (Scopus Indexed).
  9. S. K. Datta, R. Sarkar, N. Biswas and J. Saha, Common fixed point theorems for three self mappings in bicomplex valued metric spaces, South East Asian J. of Mathematics and Mathematical Sciences, Vol. 17, No. 1 (2021), pp. 297-308.
  10. S. K. Datta, R. Sarkar, N. Biswas and M. Sk, Common Fixed Point Theorem for Rational Type Contraction Mappings Satisfying E. A. Property and for Intimate Mappings in Bicomplex Valued Metric Space, South East Asian J. of Mathematics and Mathematical Sciences, Vol. 17, No. 1 (2021), pp. 347-360.
  11. J. Choi, S. K. Datta and N. Biswas, Growth Analysis of Meromorphic Solutions of Linear Difference Equations with Entire or Meromorphic Coefficients of Finite -Order, Symmetry, 2021, 13, 267. https://doi.org/10.3390/sym13020267 (SCIE Indexed).
  12. Luis Manuel S. Ruiz, S. K. Datta, S. Tamang and N. Biswas, On the Growth of Higher Order Complex Linear Differential Equations Solutions with Entire and Meromorphic Coefficients, Mathematics 2021, 9, 58. https://doi.org/10.3390/math9010058 (SCIE Indexed).
  13. S. K. Datta and N. Biswas, “On the growth analysis of meromorphic solutions of finite -order of linear difference equations” Analysis, Vol. 40 No. 4 (2020) pp. 193-202. (Scopus Indexed).
  14. S. K. Datta, D. Pal, N. Biswas and S. Sarkar: “Some common fixed point theorems on bicomplex valued metric space”Journal of Calcutta Mathematical Society, Vol. 16,No.1 (2020), pp. 73–94.
  15. S. K. Datta, B. Dutta and N. Biswas: “On different relative growth factors of entire functions” Journal of the Indian Math. Soc., Vol. 87, Nos. (1-2) (2020), pp. 37-55. (Scopus Indexed)
  16. I. H. Jebril, S. K. Datta, R. Sarkar and N. Biswas: “Common fixed point theorems under rational contractions for a pair of mappings in bicomplex valued metric spaces”, Journal of Interdisciplinary Mathematics, 22:7 (2019), pp. 1071- 1082, DOI: https://doi.org/10.1080/09720502.2019.1709318, (Scopus Indexed).
  17. S. K. Datta, B. Dutta and N. Biswas: “Some results on sum and product of relative growth factors of entire functions”, Journal of Classical Analysis, Vol. 14, No. 2 (2019), pp. 155-175.
  18. N. Biswas, S. K. Datta and S. Tamang: “On growth properties of transcendental meromorphic solutions of linear differential equations with entire coefficients of higher order”, Commun. Korean Math. Soc., Vol. 34 No. 4 (2019), pp. 1245-1259. (Scopus Indexed)
  19. S. K. Datta and N. Biswas: “Growth properties of solutions of complex linear differential-difference equations with coefficients having the same -order” Bulletin of Calcutta Mathematical Society, Vol. 111, No. 3 (2019), pp 253-266.
  20. N. Biswas and S. Tamang: “Growth of solutions to linear differential equations with entire coefficients of -order in the complex plane”, Commun. Korean Math. Soc. 33, No. 4 (2018), pp. 1217-1227. (Scopus Indexed)
  21. S. K. Datta, S. Tamang and N. Biswas: “On the growth of meromorphic solutions of higher order linear differential equations with entire coefficients of - order”, Journal of Indian Acad. Math., Vol. 40, No. 2 (2018), pp. 199-222.
  22. S. Tamang and N. Biswas: “Some growth of composite entire and meromorphic functions with finite iterated order”, Global Journal of Pure and Applied Mathematics, Vol. 13, No. 8 (2017), pp. 4099-4109.
  23. S. Tamang and N. Biswas: “Some results on the integer translation of composite entire and meromorphic functions”, Konuralp Journal of Mathematics, Vol. 5, No. 2 (2017), pp. 1-11.
Conference / Seminar / Workshop details:
Level Paper presented Attended
International 06 --
National 04 01
State -- 01
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