On the propagation of singularities of semi-convex functions
L. Ambrosio, P. Cannarsa, H. M. Soner (1993)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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L. Ambrosio, P. Cannarsa, H. M. Soner (1993)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Wolfgang W. Breckner (1996)
Manuscripta mathematica
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Manuel Valdivia (1978/79)
Manuscripta mathematica
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Yifeng Yu (2006)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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In Albano-Cannarsa [1] the authors proved that, under some conditions, the singularities of the semiconcave viscosity solutions of the Hamilton-Jacobi equation propagate along generalized characteristics. In this note we will provide a simple proof of this interesting result.
Geng Xu (1996)
Manuscripta mathematica
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Jan Stevens (1993)
Manuscripta mathematica
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Ilia Bogaevski (1999)
Banach Center Publications
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We describe singularities of the convex hull of a generic compact smooth hypersurface in four-dimensional affine space up to diffeomorphism. It turns out that the boundary of the convex hull is the front of a Legendre variety. Its singularities are classified up to contact diffeomorphism.
Paolo Albano, Piermarco Cannarsa (1999)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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V.E. Zizler, R.A. Poliquin (1990)
Manuscripta mathematica
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Gert-Martin Greuel (1986)
Manuscripta mathematica
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