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| Formato: | Preprint |
| Publicado: |
2026
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| Acceso en línea: | https://arxiv.org/abs/2605.04120 |
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| _version_ | 1866917462468984832 |
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| author | Borrego-Morell, Jorge A. |
| author_facet | Borrego-Morell, Jorge A. |
| contents | In this work, we identify the regions of the parameter space in which a predator-prey system, derived from the classical Gause model with a generalized Holling response function and logistic prey growth in the absence of predators, fails to be Liouvillian integrable. Although the model parameters have biological meaning only when restricted to appropriate real domains, our analysis is carried out in the complex setting, which provides a unified algebraic framework; the resulting nonintegrability conditions remain valid in the biologically relevant regime. As a consequence, we establish the nonintegrability of an Abel differential equation of the second kind with polynomial coefficients obtained from the system. Finally, we analyze the existence of a local analytic first integral in neighborhoods of the equilibrium points. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_04120 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Liouvillian and Analytic Integrability of a Generalized Gause System Borrego-Morell, Jorge A. Dynamical Systems Primary 34A34, 34CA05 In this work, we identify the regions of the parameter space in which a predator-prey system, derived from the classical Gause model with a generalized Holling response function and logistic prey growth in the absence of predators, fails to be Liouvillian integrable. Although the model parameters have biological meaning only when restricted to appropriate real domains, our analysis is carried out in the complex setting, which provides a unified algebraic framework; the resulting nonintegrability conditions remain valid in the biologically relevant regime. As a consequence, we establish the nonintegrability of an Abel differential equation of the second kind with polynomial coefficients obtained from the system. Finally, we analyze the existence of a local analytic first integral in neighborhoods of the equilibrium points. |
| title | Liouvillian and Analytic Integrability of a Generalized Gause System |
| topic | Dynamical Systems Primary 34A34, 34CA05 |
| url | https://arxiv.org/abs/2605.04120 |