openalexAnnals of Combinatorics2026-07-25
Strata of Ecological Coexistence via Grassmannians
Türkü Özlüm Çelik, Pierre A. Haas, Georgy Scholten, Kexin Wang, Giulio Zucal
Abstract The Lotka–Volterra system is the simplest model of the ecological interactions of n species. The sign pattern of its parameter space $$\mathbb {R}^n\times \mathbb {R}^{n\times n}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:msup> <mml:mrow>…