Hi, I'm Nandadulal Bairagi, a Professor from Jadavpur University.

I am a professor of mathematics at Jadavpur University, Kolkata, India. I completed my master's degree with a specialization in operations research and earned a Ph.D. in mathematical biology from Jadavpur University. Before joining Jadavpur University in 2001, I served as a Lecturer at Serampore College, Hooghly, and Dum Dum Motijheel College, Kolkata. I have led the Centre for Mathematical Biology and Ecology since 2008 as its coordinator. With my other colleagues, I established the Biomathematical Society of India in 2008 and served as the founder secretary till 2017. I have received several honours, including the UGC Faculty Recharge Program (FRP) in 2014 and the UGC Research Award in 2015. I was also awarded the INSA Bilateral Research Award twice, in 2014 and 2017. I served as president of the Mathematical Sciences (including Statistics) Section of the 106th Indian Science Congress from 2018 to 2019. More recently, I was honoured with the Outstanding Research Award by Yonsei University, South Korea, in 2022. To date, fourteen students have completed their Ph.D. under my supervision. I have successfully led ten national research projects funded by ANRF, DST, SERB, CSIR, and UGC, as well as one international collaborative project with France. My research interests span mathematical ecology, epidemiology, metapopulation dynamics, delay-differential equations, reaction-diffusion systems, nonlinear dynamics, discrete dynamical systems, ecological networks, and systems biology. I have published over 100 research articles and one undergraduate textbook on mathematical biology.

Recent Articles

Basak, A., Dhar, R., Marick, S., Bairagi, N.: Impact of prospective and retrospective awareness programs on the average yearly dengue cases: A theoretical and computational study. Mathematical Methods in Applied Sciences, (Accepted), 2026.

Marick, S. and Bairagi, N.: Turing-Hopf interactions and climate-mediated pattern formation & species extinction in spatial predator-prey systems. Nonlinear Dynamics, Doi: 10.1007/s11071-025-11926-2, 2025.

Basak, A., Dana, S., Bairagi, N.: Cascade tipping, cascade hopping and indirect tipping in ecological systems. Physical Review E, 112, 044225, 2025.

Basak, A., Bairagi, N.: Success, failure and collapse of an ecological system due to the introduction of a generalist super-predator. Journal of Theoretical Biology, 612, 112198, 2025.

Bhattacharya, S., Bairagi, N.: Regime shift and unbounded price in ecological-economic models: An interplay between harvesting and demand functions. European Physical Journal Plus, 140, 539-560, 2025.

Bhattacharya, S., Bairagi, N.: Dynamic optimization of fishing tax and tourism fees for sustainable bioeconomic resource management. Mathematical Biosciences and Engineering, 22(7), 1751-1789, 2025.

Marick, S., Bairagi, N.: Effect of dispersal-induced death in predator–prey metapopulation system with bistable local dynamics. Physica D: Nonlinear Phenomena, 476, 134596, 2025.

Majumder, A., Adak, D., Samson, A., Bairagi, N.: Persistence and extinction of infection in stochastic population model with horizontal and imperfect vertical disease transmissions. Mathematical Biosciences and Engineering, 22(4), 846-875, 2025.

Bhattacharya, S., Ghorai, S., Bairagi, N.: Dynamic patterns in herding predator-prey system: Analyzing the impact of inertial delays and harvesting. Chaos: An interdisciplinary Journal of Nonlinear Science, 34, 123169, 2024.

Chakraborty, B., Marick, S., Bairagi, N.: Diffusion-driven instabilities in a tri-trophic food web model: From Turing to non-Turing patterns and waves. Chaos, Solitons and Fractals, 189, 115634, 2024.

Gupta, A., Arora, G., Bairagi, N., Chatterjee, S.: Evaluating the significance of latent tuberculosis infection treatment in high-incidence countries. Mathematical Methods in Applied Sciences, 48, 4035–4049, 2024.

Basak, A., Dana, S. K., Bairagi, N.: Partial tipping in bistable ecological systems under periodic environmental variability. Chaos: An interdisciplinary Journal of Nonlinear Science, 34(8), 00723, 2024.

Basak, A., Dana, S. K., Bairagi, N., Feudel, U.: When do multiple pulses of environmental variation trigger tipping in an ecological system? Chaos: An interdisciplinary Journal of Nonlinear Science, 34(8), 00342, 2024.

Sarkar, B., Bairagi, N., Bhattacharya, S.: An integrated dynamic biological supply chain management with three layers under logistic strategies. Computers & Industrial Engineering, 194, 110387, 2024.

Onuorah, O. M., Bairagi, N.: An optimal control vaccine model of COVID-19 with cost-effective analysis. International Journal of Control, 94(8), 2047–2064, 2024.

Marick, S., Fugo, T., Bairagi, N.: How do productivity gradient and diffusion shape patterns in a plant–herbivore grazing system? Journal of Theoretical Biology, 590, 111856, 2024.

Arora, G., Bairagi, N., Chatterjee, S.: A mathematical model to study low-dose metronomic scheduling for chemotherapy. Mathematical Biosciences, 109186, 2024.

Mondal, C., Das, P., Bairagi, N.: Transmission dynamics and optimal control strategies in a multi-pathways delayed HIV infection model with multi-drug therapy. European Physical Journal Plus, 139: 124, 2024.

Saha, P., Bairagi, N., N’Guerekata, G. M.: Positivity and dynamics preserving discretization schemes for nonlinear evolution equations. Malaya Journal of Matematik, 12(01), 1–20, 2024.

Haldar, S., Das, P., Ghosh, S., Bairagi, N., Chatterjee, S.: Studying the role of random translocation of GLUT4 in cardiomyocytes on calcium oscillations. Applied Mathematical Modelling, 125(B), 599-616, 2024.

Get in touch at [ nbairagi.math@jadavpuruniversity.in ]

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