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Dr. C. S. Varun Bose

Assistant Professor (O.G)

Department of Mathematics

Contact Information

  • Fractional Differential Equations and Controllability

  • Ph. D – Vellore Institute of Technology (VIT), Vellore Campus, Tamil Nadu (2020-2024)
  • MSc Mathematics – University of Kerala (2014-2016)
  • BSc Mathematics – University of Kerala (2011-2014)

  • Linear Algebra, 
  • Differential Equations,
  •  Complex Analysis,
  •  Abstract Algebra

  • Fractional Calculus
  • Functional Differential Equations
  • Control Theory
  • Fixed Point Theorem

  • C. S. Varun Bose and R. Udhayakumar, “A note on the existence of Hilfer fractional differential inclusions with almost sectorial operators,” Mathematical Methods in the Applied Sciences, vol. 45, no. 5, pp. 2530–2541, 2021. IF: 2.9.
  • C. S. Varun Bose and R. Udhayakumar, “Analysis on the controllability of Hilfer fractional neutral differential equations with almost sectorial operators and infinite delay via measure of noncompactness,” Qualitative Theory of Dynamical Systems, vol. 22, no. 1, p. 22, 2023. IF: 1.4.
  • C. S. Varun Bose and R. Udhayakumar, “Existence of mild solutions for Hilfer fractional neutral integro-differential inclusions via almost sectorial operators,” Fractal and Fractional, vol. 6, no. 9, p. 532, 2022. IF: 5.4.
  • C. S. Varun Bose and R. Udhayakumar, “Approximate controllability of Ψ-Caputo fractional differential equation,” Mathematical Methods in the Applied Sciences, vol. 46, 2023. IF: 2.9.
  • C. S. Varun Bose, R. Udhayakumar, A. M. Elshenhab, M. S. Kumar, and J.-S. Ro, “Discussion on the approximate controllability of Hilfer fractional neutral integro-differential inclusions via almost sectorial operators,” Fractal and Fractional, vol. 6, no. 10, p. 607, 2022. IF: 5.4.
  • C. S. Varun Bose, V. Muthukumaran, S. Al-Omari, H. Ahmad, and R. Udhayakumar, “Study on the controllability of Hilfer fractional differential system with and without impulsive conditions via infinite delay,” Nonlinear Analysis: Modelling and Control, vol. 29, no. 1, p. 1, 2024. IF: 1.9.
  • C. S. Varun Bose, R. Udhayakumar, M. Savatović, A. Deiveegan, V. Todorčević, and S. Radenović, “Existence of mild solution of the Hilfer fractional differential equations with infinite delay on an infinite interval,” Fractal and Fractional, vol. 7, no. 10, p. 724, 2023. IF: 5.4.
  • C. S. Varun Bose, R. Udhayakumar, V. Muthukumaran, and S. Al-Omari, “A study on approximate controllability of Ψ-Caputo fractional differential equations with impulsive effects,” Contemporary Mathematics, pp. 175–198, 2024. IF: 0.33.

  • 2017-2018 – Lecturer – S N College, Chathannoor, Kollam (University of Kerala).
  • 2019-2020 – Lecturer – S N College, Chathannoor, Kollam (University of Kerala).

  • NSS Volunteer 
  • Scout & Guide Rajya Puraskar  

  • External Examiner of International Students Project Programme (ISPP)-2024 conducted by Phuket Rajabhat University, Thailand.
  • Best paper presenting award in International Conference on Mathematics and Computation (ICMC- 2021).
  • Raman Research Award for published paper for reputed international journals.

  • VIT Mathematical Meet – 2023

  • Presented a paper in the fourth International Conference on Mathematical Techniques and Appli- cations (ICMTA-2023), organized by the department of Mathematics, SRM institute of Sciences and Technology, Tamil Nadu, India.
  • Presented a paper in “International Conference on Recent Development in Mathematics (ICPDM 2022)”, held at Canadian University Dubai, Dubai, UAE during August 24-26, 2022 organized by the Faculty of Engineering, Applied Science and Technology.
  • Presented a paper on International Conference Mathematics & Computation (ICMC-2021), held at Rajkiya Engineering College, Kannauj, UP, India.

  • International Conference on AI Advancements in Hyperbolic and Parabolic PDEs (ICS-AIPDEs-23) during 20-21 October 2023 jointly organized by Department of Mathematical sciences, UNIST South Korea and Department of Mathematics, University of Calicut, Kerala, India.
  • International Conference on Mathematical Modeling in Public Health and Epidemiology (ICMMPHE-23) on 09 November 2023 organized by Department of Mathematics, Faculty of Education, Phuket Rajabhat University, Thailand.
  • International Workshop on Differential Equations and Applications (IWDEA-2023) organized by the School of Mathematics & Statistics and School of Data Analytics, 03 January 2023 at Mahatma Gandhi University, Kerala, India.
  • International Conference on Mathematics, Statistics and Data Science (ICMSDS-2022) 26- 27 Febru- ary 2022 at Mahatma Gandhi University, Kottayam, India.
  • National Webinar on Introduction to Fractional Calculus, 2020 at MG University.
  • National Seminar on Teaching Analysis 23 & 24 October 2014 at Sree Narayana College, Chathannoor, Kollam, Kerala.
  • National Seminar on Applied Mathematics 6 & 7 March 2014 at St. John’s College, Anchal, Kollam, Kerala.

  • 10 day International Research Outreach Programme (IROP-2022) organized by the Faculty of Mathematics- Informatic Teachers Education (FMITE), 16 September 2022 – 17 October 2022 at Dong Thap University, Vietnam.
  • Workshop on Geogebra 07 August 2019 at St. Paul’s College, Kalamassery, Kerala.
  • One day workshop on Introduction to Topology 30 June 2019 at Rajagiri School of Engineering & Technology, Kakkanadu, Cochin, Kerala.