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Author

Sayantan Nag Chowdhury

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Preprint Aug 2026

Periodic Environmental Forcing Shapes the Stability of Complex Ecological Networks

Environmental variability is a defining feature of natural ecosystems, yet many theories of ecological stability assume static environments. Here, we develop an analytical framework for local stability in complex ecological communities subjected to periodic environmental forcing. We show that, in slowly varying environ...

Sayantan Nag Chowdhury · 0 citations
Preprint Sep 2026

Selection Rules for Species Coexistence in a Hierarchical May-Leonard Model

A hierarchical extension of the May-Leonard model, in which species interact through a directed predation chain while undergoing reproduction and mortality, is investigated, showing that the fully coexisting state is generically unstable, causing the dynamics to evolve toward lower-dimensional coexistence states.

Rakesh Samanta, Shraosi Dawn, Sk Jahiruddin et al. · 0 citations

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