Publications
Peer-reviewed journal articles from the lab, newest first. Search by title, journal or co-author, or filter by year.
Banner: figures from our papers in Mathematics (2019, CC BY), AIMS Mathematics (2020, CC BY), Scientific Reports (2025), Chaos (2025) and Ecological Modelling (2026).
Journal articles
62 publications
- 1Paper2026
Rana, Kanav Singh, and Nitu Kumari. Dynamic mode decomposition with multiple initial conditions for linearizing nonlinear partial differential equations. Engineering with Computers (Springer) 42, no. 5 (2026): 156.
- 2Paper2026
Nitu Kumari, Anurag Singh and Arun Kumar (2026) The first mathematical model for elk–wolf interaction in Yellowstone National Park using the E-SINDy algorithm, Ecological Modelling (Elsevier) 516, 111574.
- 3Paper2026
Sumit Kumar and Nitu Kumari (2026). Dynamic analysis of COVID-19 transmission in India: A compartmental model with phase specific sensitivity and uncertainty evaluation. Nonlinear Science, Elsevier Vol 7, 100142.
- 4Paper2026
Vikas Kumar and Nitu Kumari (2026). Exploring the impact of time delay with fractional derivative and diffusion in a three species food chain model. Iranian Journal of Science, Volume 50, pages 837–856.
- 5Paper2025
A Kumar, Nitu Kumari, S Mandal, PK Tiwari (2025). Autonomous and nonautonomous dynamics of an SIRS model with convex incidence rate, Journal of the Franklin Institute, 108236.
- 6Paper2025
Anurag Singh and Nitu Kumari (2025). Data-driven Modeling of Moose-Wolf Prey-Predator Dynamics of Isle Royale National Park using SINDy Algorithm, Scientific Reports, Nature 15 (1), 34683. (IF = 3.8)
- 7Paper2025
Nitu Kumari and Anurag Singh (2025). Data-driven enhancement of the Hastings–Powell model using sparse identification algorithm, Journal of Computational Science (Springer), 102682.
- 8Paper2025
OJ Peter, Nitu Kumari, A Kumar, BI Omede, OP Ogunmola, GB Balogun (2025). Analysis and dynamics of rubella with control strategies: a data-driven mathematical modeling approach, Boletín de la Sociedad Matemática Mexicana 32 (1), 36.
- 9Paper2025
Kanav Singh Rana and Nitu Kumari (2025). Transformer-based Koopman Autoencoder for Linearizing Fisher’s Equation, 35, 053101, Chaos AIP Publishing, Wiley. (IF = 2.7, Q1 Journal, MCQ = 0.3)
- 10Paper2025
Shivesh Singh, Nitu Kumari and Aditya Nigam (2025). Deep spatio-temporal modeling of vegetation index and population density in Himachal Pradesh, India, Spatial Information Research, Springer, Volume 33, article number 26 (2025) (IF = 2.0, Q2 Journal)
- 11Paper2025
A Kumar, Nitu Kumari, S Kumar (2025). Modelling the Spread of Monkeypox in USA with Vertical Transmission and Saturated Treatment, Accepted, Physica Scripta (IF = 2.6, Q2 journal)
- 12Paper2025
Shubhangi Dwivedi, Bilel Elbetch, Nitu Kumari (2025). Species migration induced by fear triggers synchrony in two-habitat system. Journal of Computational Science, Elsevier. (IF = 4, Q1 Journal)
- 13Paper2025
Sumit Kumar, S. Sharma, A. Kashyap and Nitu Kumari, R. P. Agarwal (2025). Modelling the effect of environmental pollution on Zika outbreak: A case study of Brazil, Discrete and Continuous Dynamical Systems-S 18 (5), 1132-1158.
- 14Paper2024
S. Kundu, S. Kouachi, Sumit Kumar, Nitu Kumari (2024). Pattern formation and stability analysis in a delayed epidemic model with two aware classes, The European Physical Journal Plus, Springer, (2024) 139:1079.
- 15Paper2024
Sumit Kumar, S. Sharma, A. Kashyap and Nitu Kumari (2024). Role of Pollution in the Recent Zika Outbreak in Colombia: A Mathematical Study, Journal of Applied Nonlinear Dynamics. ESCI, 13, no. 3 : 491-505. (MCQ = 0.07)
- 16Paper2023
Shubhangi Dwivedi and Nitu Kumari (2023) Assessment of Parameters for Phase Synchronization of A Chaotic Food Chain System with Allee and Refugia Effects under Seasonal Fluctuations, Chaos, American Institute of Physics (IF = 3.74, MCQ = 0.35)
- 17Paper2023
Kanav Singh Rana and Nitu Kumari (2023) Application of Dynamic Mode Decomposition and Compatible Window-Wise Dynamic Mode Decomposition in deciphering COVID-19 dynamics of India, Computational and Mathematical Biophysics, De Gruyter (MCQ = 0.68)
- 18Paper2023
Shubhangi Dwivedi, S.Keerthana Perumal, Sumit Kumar, Samit Bhattacharyya and Nitu Kumari (2023) Impact of Cross border reverse migration in Delhi-UP region of India during COVID-19 Lockdown, Computational and Mathematical Biophysics, De Gruyter, 11, no. 1: 20220151 (MCQ = 0.68)
- 19Paper2023
Sumit Kumar, S. Sharma, A. Kashyap, Nitu Kumari and Ravi P. Agarwal (2023) Modelling the effect of environmental population on Zika outbreak: A case study of Brazil, Discrete and Continuous Dynamical Systems Series S, AIMS. (IF = 1.86, MCQ = 0.73)
- 20Paper2023
Nitu Kumari, Sumit Kumar, Sandeep Sharma, Fateh Singh and Rana Parshad (2023) Basic Reproduction Number Estimation and Forecasting of COVID-19: A Case Study of India, Brazil and Peru, Communications on Pure and Applied Analysis (AIMS), 22. No. 2 doi: 10.3934/cpaa.2021170. (IF = 1.916, MCQ = 0.94)
- 21Paper2022
Vikas Kumar and Nitu Kumari (2022) Stability and Bifurcation Analysis of Fractional-Order Delayed Prey–Predator System and the Effect of Diffusion, International Journal of Bifurcation and Chaos (World Scientific) https://doi.org/10.1142/S021812742250002X (IF = 2.83, MCQ = 0.23)
- 22Paper2022
Nitu Kumari and Vikas Kumar (2022) Controlling chaos and pattern formation study in a tritrophic food chain model with cannibalistic intermediate predator, European Physical Journal Plus, 137, Article number: 345 (IF = 3.758)
- 23Paper2022
V Kumar, Nitu Kumari, Ravi P Agarwal (2022) Spatiotemporal dynamics and Turing patterns in an eco-epidemiological model with cannibalism, Results in Control and Optimization 9, 100183
- 24Paper2022
S Dwivedi, Nitu Kumari, R K Upadhyay (2022) Chaos synchronization: Using prey abundance to synchronize two chaotic GLV models, (Accepted), Journal of Dynamical Systems and Geometric Theories, Taylor & Francis Publ. (MCQ = 0.15)
- 25Paper2022
O.J. Peter, A. Yusuf, M.M. Ojo, Sumit Kumar, Nitu Kumari, F.A. Oguntolu (2022) A Mathematical Model Analysis of Meningitis with Treatment and Vaccination in Fractional Derivatives. International Journal of Applied and Computational Mathematics 8, 117, https://doi.org/10.1007/s40819-022-01317-1 (MCQ = 0.18)
- 26Paper2022
Peter, O. J., Sumit Kumar, Nitu Kumari, Oguntolu, F. A., Oshinubi, K., & Musa, R. (2022). “Transmission dynamics of Monkeypox virus: a mathematical modelling approach”. Modeling Earth Systems and Environment, Springer, 8, pp. 3423–3434.
- 27Paper2022
Soumen Kundu, Nitu Kumari, Said Kouachi and Piu Kundu (2022) “Stability and bifurcation analysis of a heroin model with diffusion, delay and nonlinear incidence rate”, Modeling Earth Systems and Environment (Springer), 8, pp.1351–1362.
- 28Paper2021
Shubhangi Dwivedi, Nitu Kumari and Ranjit Kumar Upadhyay (2021) Chaos Synchronization of Two Coupled GLV Models using Active and Adaptive Control Techniques, Journal of Dynamical Systems and Geometric Theories, Taylor & Francis (MCQ = 0.15)
- 29Paper2021
Nishith Mohan and Nitu Kumari (2021) Coexistence States of a Ratio-Dependent Predator-Prey Model with Nonlinear Diffusion, 176, Art 11, Acta Applicandae Mathematicae (IF = 1.56, MCQ = 0.86)
- 30Paper2021
Vikas Kumar and Nitu Kumari (2021) “Bifurcation study and pattern formation analysis of a tritrophic food chain model with group defense and Idle-like nonmonotonic functional response”, Chaos, Solitons and Fractals (Elsevier), 147, 110964 https://doi.org/10.1016/j.chaos.2021.110964 (IF: 7.8, MCQ = 0.68)
- 31Paper2021
Nishith Mohan and Nitu Kumari (2021) “Positive steady states of a SI epidemic model with cross diffusion” Applied Mathematics and Computation (Elsevier) (IF: 4.39, MCQ = 0.7)
- 32Paper2020
Nitu Kumari and Shubhangi Dwivedi (2020) Fundamental Concepts of Synchronization: An Introduction: From Classical to Modern Resonance, 25, 539-565
- 33Paper2020
Nitu Kumari and Nishith Mohan (2020) “Positive solutions and pattern formation in a diffusive tritrophic system with Crowley–Martin functional response.” Nonlinear Dynamics (Springer) 1-22 (Impact factor 4.604)
- 34Paper2020
Vikas Kumar, Nitu Kumari (2020) “Controlling chaos in three species food chain model using fear effect”, AIMS Mathematics 5(2): 828-842.
- 35Paper2020
Sandeep Sharma and Nitu Kumari (2020) Modeling the impact of rain on population exposed to air pollution, International Journal of Nonlinear Sciences and Numerical Simulations (De Gruyter), https://doi.org/10.1515/ijnsns-2017-0109 (Impact factor 1.033)
- 36Paper2020
Vikas Kumar and Nitu Kumari (2020) “Stability and Bifurcation Analysis of Hassell-Varley Prey-Predator System with Fear Effect”, International Journal of Applied and Computational Mathematics (Springer)
- 37Paper2020
Binayak Nath, Vikas Kumar, Nitu Kumari, Prodip Roy and Krishna Pada Das (2020) “Role of Cannibalism in Controlling Chaos in Leslie-Gower-type Tritrophic Food Chain Model”, Nonlinear Studies, 27(3).
- 38Paper2020
B. Nath, Vikas Kumar, Nitu Kumari, S Maiti and K P Das (2020) “A Study of Chaos and its Possible Control in an Eco-epidemiological Model with an Alternative Food Source in Predator and Weak Allee Effect in Prey Species” Nonlinear Studies, 27(3).
- 39Paper2019
Nitu Kumari and Nishith Mohan (2019) Cross Diffusion Induced Turing patterns in a Tritrophic food chain model with Crowley Martin Functional Response, Mathematics (MDPI), Special Issue: Partial Differential Equations in Ecology: 80 years and Counting, Vol. 7 (3), pp. 229. (Impact factor 1.105)
- 40Paper2019
B Nath, Nitu Kumari, V Kumar, KP Das (2019) Refugia and Allee Effect in Prey Species Stabilize Chaos in a Tri-Trophic Food Chain Model, Differential Equations and Dynamical Systems (Springer), pp. 1-27
- 41Paper2019
Sandeep Sharma and Nitu Kumari (2019) Dynamics of a waterborne pathogen model under the influence of environmental pollution, Applied Mathematics and Computation (Elsevier). Vol 346, pp. 219-243 (Impact factor 3.092)
- 42Paper2018
Nitu Kumari and Sandeep Sharma (2018) Modeling the dynamics of infectious disease under the influence of environmental pollution, International Journal of Applied and Computational Mathematics (Springer). Vol. 4 (3) Article 84.
- 43Paper2017
Sandeep Sharma and Nitu Kumari (2017) Backward Bifurcation in a Cholera Model: A case study of outbreak in Zimbabwe and Haiti, International Journal of Bifurcation and Chaos (World Scientific), Vol 27 (11), pp. 1750170 (20 pages) (Impact factor 2.145)
- 44Paper2017
Sandeep Sharma and Nitu Kumari (2017) Why to consider environmental pollution in cholera modelling?, Mathematical Methods in Applied Sciences (Wiley), Vol 40 (18), pp. 6348-6370 (Impact factor 1.017)
- 45Paper2017
R. D. Parshad, S. Kouachi, Nitu Kumari, and H. A. Abderrahmane (2017) Global Existence and Long Time Dynamics of a Four Compartment Brusselator Type System, Dynamics of Continuous, Discrete and Impulsive Systems Series A: Mathematical Analysis, Vol. 24, pp. 79-120
- 46Paper2016
Nitu Kumari and Sandeep Sharma (2016) Does water disinfectant play a supportive role in the spread of infectious disease? A mathematical study, Natural Resource Modeling (Wiley), Vol. 29(2), pp. 259-288 (Impact factor 1.196)
- 47Paper2016
R. D. Parshad, S. Kouachi, and Nitu Kumari (2016) A Comment on “Mathematical study of a Leslie-Gower type tritrophic population model in a polluted environment” [Modeling Earth Systems and Environment 2 (2016) 1-11.], Modeling Earth Systems and Environment (Springer) Vol. 2, pp. 93
- 48Paper2016
R. D. Parshad, S. Bhowmick, V. Chand, Nitu Kumari and N. Sinha (2016) What is India Speaking? Exploring the “Hinglish” Invasion, Physica A (Elsevier), Vol. 449, pp. 375-389 (Impact factor 1.732)
- 49Paper2016
R.D. Parshad, K. Black, E. Quansah, R.K. Upadhyay, S.K. Tiwari and Nitu Kumari (2016) Long time dynamics of a three-species food chain model with Allee effect in the top predator, Computers and Mathematics with Applications (Elsevier), Vol. 71, pp. 503-528 (Impact factor 1.697)
- 50Paper2015
R. D. Parshad, Nitu Kumari, Said Kouachi (2015) A remark on “Study of a Leslie Gower type tritrophic population model [Chaos Solitons and Fractals 14 (2002) 1275-1293]”, Chaos Solitons & Fractals (Elsevier), Vol. 71, pp. 22-28 (Impact factor 1.448)
- 51Paper2014
R. D. Parshad, Nitu Kumari, A. Kasimov and H. A. Abderrahmane (2014) Turing patterns and long time behavior in a three species food chain model, Mathematical Biosciences (Elsevier), Vol. 254, pp. 83-102 (Impact factor 1.622)
- 52Paper2013
Nitu Kumari (2013) “Pattern Formation in Spatially Extended Tritrophic Food Chain Model Systems: Generalist versus Specialist top predator”, ISRN Biomathematics, Article id 198185
- 53Paper2013
R. D. Parshad, H. A. Abderrahmane, R. K. Upadhyay, and Nitu Kumari (2013) “Finite time blow up in a realistic food chain model”, ISRN Biomathematics, Article id 424062
- 54Paper2011
V. Rai, R.K. Upadhyay, S. N. Raw and Nitu Kumari (2011) “Some aspects of animal behavior and community dynamics”, Computational Ecology and Software, Vol. 1, No.3, pp. 153-182 (Impact factor 0.1176)
- 55Paper2010
R.K. Upadhyay, Nitu Kumari and Vikas Rai (2010) “Modeling spatiotemporal dynamics of vole populations in Europe and America”, Mathematical Biosciences (Elsevier), Vol. 223, pp. 47-57 (Impact factor 1.622)
- 56Paper2009
B. Dubey, Nitu Kumari and R. K. Upadhyay (2009) Spatiotemporal pattern formation in a diffusive predator-prey system: An analytical approach, Journal of Applied Mathematics and Computing (Springer-Verlag), Vol. 31, pp. 413-432
- 57Paper2009
R. K. Upadhyay, Nitu Kumari and Vikas Rai (2009) Wave of chaos in a diffusive system: Generating realistic patterns of patchiness in plankton fish dynamics, Chaos Solitons and Fractals (Elsevier), Vol. 40, No. 1, pp. 262-276 (Impact factor 1.448)
- 58Paper2009
R. K. Upadhyay, Nitu Kumari and Vikas Rai (2009) Exploring dynamical complexity in diffusion driven predator-prey systems: effect of toxin producing phytoplankton and spatial heterogeneities, Chaos Solitons and Fractals (Elsevier), Vol. 42, pp. 584-594 (Impact factor 1.448)
- 59Paper2009
R. K. Upadhyay, Nitu Kumari and Vikas Rai (2009) “Wave phenomena and edge of chaos in a predator-prey system under Allee effect”, Differential Equations and Dynamical Systems (Springer-Verlag), Vol. 13, No. 3, pp. 301-317
- 60Paper2008
R. K. Upadhyay, Nitu Kumari and V. S. H. Rao (2008) Modelling the spread of Bird Flu and predicting outbreak diversity, Nonlinear Analysis: Real World Applications (Elsevier), Vol. 9, pp. 1638-1648 (Impact factor 2.519)
- 61Paper2008
R. K. Upadhyay, Nitu Kumari and Vikas Rai (2008) Wave of chaos and pattern formation in a spatial predator-prey system with Holling type IV functional response, Mathematical Modelling in Natural Phenomena, Vol. 3, No. 4, pp. 71-95 (Impact factor 0.725)
- 62Paper2007
R. K. Upadhyay, R. K. Naji and Nitu Kumari (2007) Dynamical complexity in some ecological models: effect of toxin production by phytoplankton, Nonlinear Analysis: Modelling and Control, Vol. 12, No. 1, pp. 1-16 (Impact factor 1.099)