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Author

Rajat Kaushik

2 papers indexed here

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Sep 2026

Refuge, Competition, and Diffusion: Pathways to Spatiotemporal Complexity in a Predator–Prey Model

The interaction between predators and prey is a fundamental aspect of ecology. As a result, studying predator–prey interactions has become more vital to understanding their habitat. Prey populations employ various mechanisms to avoid predation in predator–prey relationships. In this paper, we proposed and analyzed a no...

Shivam, Tikam Singh, K. Singh et al. · 0 citations
Open access Sep 2026

A deterministic framework for epidemic dynamics with abrupt intervention: Indicator-based switching and phase-dependent thresholds

Mathematical models of epidemiology frequently assume time-invariant parameters, failing to capture the abrupt systemic shifts triggered by delayed medical interventions. In this study, we formulate a deterministic Susceptible-Infectious-Recovered (SIR) framework incorporating an abrupt, time-triggered intervention m...

Abhinav Gupta, Rajat Kaushik, Usha Chouhan · 0 citations

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