Existence results for first order Hamilton Jacobi equations
G. Barles (1984)
Annales de l'I.H.P. Analyse non linéaire
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G. Barles (1984)
Annales de l'I.H.P. Analyse non linéaire
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G. Barles (1990)
Annales de l'I.H.P. Analyse non linéaire
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P. Cardaliaguet, B. Dacorogna, W. Gangbo, N. Georgy (1999)
Annales de l'I.H.P. Analyse non linéaire
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Pierre-Louis Lions, Panagiotis E. Souganidis, Juan Luis Vázquez (1987)
Revista Matemática Iberoamericana
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We study the relation between the porous medium equation ut = Δ(um), m > 1, and the eikonal equation vt = |Dv|2. Under quite general assumtions, we prove that the pressure and the interface of the solution of the Cauchy problem for the porous medium equation converge as m↓1 to the viscosity solution and the interface of the Cauchy problem for the eikonal equation. We also address the same...
Bardi, M., Bottacin, S. (1998)
Rendiconti del Seminario Matematico
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Alessandra Cutrì, Francesca Da Lio (2007)
ESAIM: Control, Optimisation and Calculus of Variations
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In this paper we prove a comparison result between semicontinuous viscosity subsolutions and supersolutions to Hamilton-Jacobi equations of the form in where the Hamiltonian may be noncoercive in the gradient As a consequence of the comparison result and the Perron's method we get the existence of a continuous solution of this equation.