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On the heat flow on metric measure spaces: existence, uniqueness and stability

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Abstract

We prove existence and uniqueness of the gradient flow of the Entropy functional under the only assumption that the functional is λ-geodesically convex for some \({\lambda\in\mathbb {R}}\). Also, we prove a general stability result for gradient flows of geodesically convex functionals which Γ−converge to some limit functional. The stability result applies directly to the case of the Entropy functionals on compact spaces.

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Correspondence to Nicola Gigli.

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Communicated by L. Ambrosio.

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Gigli, N. On the heat flow on metric measure spaces: existence, uniqueness and stability. Calc. Var. 39, 101–120 (2010). https://doi.org/10.1007/s00526-009-0303-9

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  • DOI: https://doi.org/10.1007/s00526-009-0303-9

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