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Existence of Life in Lenia - MaRDI portal

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Existence of Life in Lenia

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Publication:6505652

DOI10.1504/IJDSDE.2023.135023arXiv2203.14390MaRDI QIDQ6505652

Author name not available (Why is that?)


Abstract: Lenia is a continuous generalization of Conway's Game of Life. Bert Wang-Chak Chan has discovered and published many seemingly organic dynamics in his Lenia simulations since 2019. These simulations follow the Euler curve algorithm starting from function space initial conditions. The Picard-Lindel"of Theorem for the existence of integral curves to Lipschitz vector fields on Banach spaces fails to guarantee solutions, because the vector field associated with the integro-differential equation defining Lenia is discontinuous. However, we demonstrate the dynamic Chan is using to generate simulations is actually an arc field and not the traditional Euler method for the vector field derived from the integro-differential equation. Using arc field theory we prove the Euler curves converge to a unique flow which solves the original integro-differential equation. Extensions are explored and the modeling of entropy is discussed. Keywords: arc fields; discontinuous vector fields; integro-differential equations; entropy models





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