Publications

11.   Organized structures and different types of multistability in a one-dimensional ecological model —           A parameter plane study      

          Ruma Kumbhakar, Nikhil Pal.

          Physica D: Nonlinear Phenomena (SCIE), Elsevier, IF: 2.9 (Q1), 483, 134908(2025).

           https://doi.org/10.1016/j.physd.2025.134908 .

9.  Impacts of predation-driven Allee effect and refuge on the dynamics of a predator–prey   model in a            parameter plane  

       Ruma Kumbhakar, Sajad  Jafari, Nikhil Pal.

       International Journal of Bifurcation and Chaos (SCIE, World Scientific, IF: 2.3 (Q1), 35(03):2550036(2025).

      https://doi.org/10.1142/S0218127425500361.

8.   Dynamical complexities in a food chain model with schooling behavior: a study

       in a parameter plane     

         Subarna Roy, Ruma Kumbhakar, Sarbari Karmakar, Pankaj Kumar Tiwari, Nikhil Pal.

         The European Physical Journal Plus (SCIE), Springer, IF: 2.9 (Q2), 140:1002(2025).

          https://doi.org/10.1140/epjp/s13360-025-06939-0 .

7.  Shrimp-shaped structure and period-bubbling route to chaos in a one-dimensional economic model

      Ruma Kumbhakar, Sarbari Karmakar, Nikhil Pal, Jürgen Kurths. 

     Chaos:  An Interdisciplinary Journal of Nonlinear Science (SCIE), AIP, IF: 3.2 (Q1), 34, 103115 (2024).

     https://doi.org/10.1063/5.0226934 .

5.  Dynamics of a two-prey one-predator model with fear and group defense: A   study in parameter  planes

      Ruma Kumbhakar, Mainul Hossain, Nikhil Pal.

      Chaos, Solitons & Fractals (SCIE), Elsevier, IF: 5.6 (Q1), 179: 1124449     (2024).

     https://doi.org/10.1016/j.chaos.2023.114449.

4.  An investigation of the parameter space in a tri-trophic food chain model with   refuge   

     Ruma Kumbhakar, Mainul Hossain, Sarbari Karmakar, Nikhil Pal.

     Mathematics and Computers in Simulation (SCIE),  Elsevier, IF: 4.4  (Q1),  217: 37-59(2024).

     https://doi.org/10.1016/j.matcom.2023.10.010.

3.  Structure of parameter space of a three-species food chain model   with immigration and emigration       

      Mainul Hossain, Ruma Kumbhakar, Nikhil Pal, Jürgen Kurths. 

      Nonlinear Dynamics (SCIE),  Springer, IF: 5.2  (Q1),  111:14565-14582   (2023). 

      https://doi.org/10.1007/s11071-023-08573-w

2. Bistability and tristability in a predator-prey model with strong Allee effect in prey       

     Ruma kumbhakar, Saheb pal, Nikhil Pal, Pankaj Kumar Tiwari.

     Journal of Biological systems  (SCIE),  World Scientific, IF: 1.3 (Q2), 31(1): 215-243 (2023). 

     https://doi.org/10.1142/S0218339023500110.

1. Dynamics in the biparametric spaces of a three-species food chain  model with vigilance 

    Mainul Hossain, Ruma Kumbhakar, Nikhil Pal. 

    Chaos, Solitons & Fractals (SCIE), Elsevier, IF: 7.8 (Q1), 162: 112438  (2022).

    https://doi.org/10.1016/j.chaos.2022.112438.