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On the propagation of singularities of semi-convex functions

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journal contribution
posted on 01.01.1992, 00:00 by I Ambrosio, Piermarco Cannarsa, H. Mete. Soner
Abstract: "The paper deals with the propagation of singularities of semi-convex functions. We obtain lower bounds on the degree of the singularities and on the size of the singular set in a neighborhood of a singular point. These results apply to viscosity solutions of Hamilton-Jacobi-Bellman equations. In particular, they provide sufficient conditions for the propagation of singularities, depending only on the geometry of the superdifferential at the singular point."


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