BIRS Workshop Lecture Videos

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BIRS Workshop Lecture Videos

Stability of the elliptic Harnack inequality Barlow, Martin

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Following the work of Moser, as well as de Giorgi and Nash, Harnack inequalities have proved to be a powerful tool in PDE as well as in the study of the geometry of spaces. In the early 1990s Grigor'yan and Saloff-Coste gave a characterisation of the parabolic Harnack inequality (PHI). This characterisation implies that the PHI is stable under bounded perturbation of weights, as well as rough isometries. In this talk we prove the stability of the EHI. This is joint work with Mathav Murugan (UBC).

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Attribution-NonCommercial-NoDerivatives 4.0 International