Dr. C. S. Varun Bose

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

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

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

• Served as a Resource Person in the 5-Day Faculty Development Programme on “Technical Writing using LaTeX”, conducted by St. Aloysius (Deemed to be University), Mangaluru, India, from 13.07.2026 to 17.07.2026.
• Served as Supporting Faculty in the International Conference on Innovation & Recent Trends in Applied Mathematics (ICIRTAM-2026), conducted by the Department of Mathematics, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Vadapalani, Chennai, on 08.05.2026 and 09.05.2026.
• Successfully completed the NPTEL course “Calculus of One Real Variable” with Elite Silver.
• Successfully completed the NPTEL course “Calculus of Several Real Variables”.
• Served as Supporting Faculty in the International Conference on Innovation & Recent Trends in Applied Mathematics (ICIRTAM-2025), conducted by the Department of Mathematics, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Vadapalani, Chennai, on 21.02.2025 and 22.02.2025.
• Served as an External Expert for the Project Progress Evaluation of the International Student Project Program (ISSP-2025), conducted by the Department of Mathematics, Phuket University, Thailand.
• Served as an External Examiner for the International Students Project Programme (ISPP-2024), conducted by Phuket Rajabhat University, Thailand.
• Received the Best Paper Presenting Award at the International Conference on Mathematics and Computation (ICMC-2021).
• Received the Raman Research Award for a published paper in reputed international journals.

• C. S. Varun Bose, Approximate controllability of Hilfer fractional integro-differential neutral dynamical systems with infinite delay, Communication in Analysis and Mechanics, 18 (2), 329-365, 2026. IF: 1.9
• C. S. Varun Bose, Analysis on controllability of $\Psi$-Hilfer fractional neutral stochastic differential system, Asian-European Journal of Mathematics, 2550153. 2026
• C. S. Varun Bose, R. Udhayakumar, V. Vijayakumar, Anurag Shukla and Kottakkaran Sooppy Nisar, Analysis on the existence of nonlocal Hilfer fractional differential equations with infinite delay via almost sectorial operators, Fixed Point Theory,27 (2), 2026, 505-528.
• 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.

CONFERENCES/SEMINAR/FDP ORGANIZED

• VIT Mathematical Meet - 2023

CONFERENCES/SEMINARS/FDP PAPER PRESENTED

• Presented a paper at the International Conference on Innovation & Recent Trends in Applied Mathematics (ICIRTAM-2025), conducted by the Department of Mathematics, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Vadapalani, Chennai, Tamil Nadu, on 21.02.2025 and 22.02.2025.
• Presented a paper at the Fourth International Conference on Mathematical Techniques and Applications (ICMTA-2023), organized by the Department of Mathematics, SRM Institute of Science and Technology, Tamil Nadu, India.
• Presented a paper at the International Conference on Recent Developments in Mathematics (ICPDM-2022), held at Canadian University Dubai, Dubai, UAE, from 24.08.2022 to 26.08.2022, organized by the Faculty of Engineering, Applied Science and Technology.
• Presented a paper at the International Conference on Mathematics & Computation (ICMC-2021), held at Rajkiya Engineering College, Kannauj, Uttar Pradesh, India.

CONFERENCES/SEMINARS/FDP PARTICIPATED

• Attended a One-Week Faculty Development Programme on the Role of Data Science in Computational Mathematics & Statistics, conducted from 05.05.2025 to 09.05.2025, organized by Vishwakarma Institute of Technology, Pune, Maharashtra, India.
• Attended a One-Week Faculty Development Programme on Artificial Intelligence and Its Applications in Multidisciplinary Domains, conducted from 10.03.2025 to 15.03.2025, organized by the School of Technology, Apollo University, Chittoor, Andhra Pradesh, India.
• Attended the International Conference on AI Advancements in Hyperbolic and Parabolic PDEs (ICS-AIPDEs-23), held from 20.10.2023 to 21.10.2023, jointly organized by the Department of Mathematical Sciences, UNIST, South Korea, and the Department of Mathematics, University of Calicut, Kerala, India.
• Attended the International Conference on Mathematical Modeling in Public Health and Epidemiology (ICMMPHE-23) on 09.11.2023, organized by the Department of Mathematics, Faculty of Education, Phuket Rajabhat University, Thailand.
• Attended the International Workshop on Differential Equations and Applications (IWDEA-2023), organized by the School of Mathematics & Statistics and School of Data Analytics, on 03.01.2023 at Mahatma Gandhi University, Kerala, India.
• Attended the International Conference on Mathematics, Statistics and Data Science (ICMSDS-2022), held from 26.02.2022 to 27.02.2022 at Mahatma Gandhi University, Kottayam, India.
• Attended the National Webinar on Introduction to Fractional Calculus in 2020 at Mahatma Gandhi University.
• Attended the National Seminar on Teaching Analysis, held on 23.10.2014 and 24.10.2014 at Sree Narayana College, Chathannoor, Kollam, Kerala.
• Attended the National Seminar on Applied Mathematics, held on 06.03.2014 and 07.03.2014 at St. John's College, Anchal, Kollam, Kerala.

WORKSHOP ATTENDED:

• Attended the One-Week Workshop on MATLAB and Python Programming (MPP-2025), conducted from 19.05.2025 to 23.05.2025, organized by the Department of Mathematics, NIT Jamshedpur, Jharkhand, India.
• Attended the 10-Day International Research Outreach Programme (IROP-2022), organized by the Faculty of Mathematics–Informatic Teachers Education (FMITE), from 16.09.2022 to 17.10.2022 at Dong Thap University, Vietnam.
• Attended the Workshop on GeoGebra on 07.08.2019 at St. Paul's College, Kalamassery, Kerala.
• Attended the One-Day Workshop on Introduction to Topology on 30.06.2019 at Rajagiri School of Engineering & Technology, Kakkanad, Cochin, Kerala.