Abstract:We consider nonlinear Kolmogorov-Fokker-Planck type equations of the formThe functionassumed to be continuous with respect to ξ, and measurable with respect to X, Y and t. A = A(ξ, X, Y, t) is allowed to be nonlinear but with linear growth. We establish higher integrability and local boundedness of weak sub-solutions, weak Harnack and Harnack inequalities, and Hölder continuity with quantitative estimates. In addition we establish existence and uniqueness of weak solutions to a Dirichlet problem in certain bou… Show more
“…hyp (Ω ∩{ > in } + 0 H −1 hyp (Ω ∩{ > in } , which implies the thought bound (10) by Sobolev embedding for some 1 > 2 and 0 = 1 = 2.…”
Section: B Construction Of Comparision Functionmentioning
confidence: 59%
“…The combination of these ideas saw a lot of recent interest [2,3,10,12,13,14,29,30,31] as it is a path for regularity results for nonlinear kinetic equations, where the solution satisfies schematically…”
We present a general approach to obtain a weak Harnack inequality for rough hypoellipitic equations, e.g. kinetic equations. The proof is constructive and does not study the commutator structure but rather compares the rough solution with a smooth problem for which the estimates are assumed.
“…hyp (Ω ∩{ > in } + 0 H −1 hyp (Ω ∩{ > in } , which implies the thought bound (10) by Sobolev embedding for some 1 > 2 and 0 = 1 = 2.…”
Section: B Construction Of Comparision Functionmentioning
confidence: 59%
“…The combination of these ideas saw a lot of recent interest [2,3,10,12,13,14,29,30,31] as it is a path for regularity results for nonlinear kinetic equations, where the solution satisfies schematically…”
We present a general approach to obtain a weak Harnack inequality for rough hypoellipitic equations, e.g. kinetic equations. The proof is constructive and does not study the commutator structure but rather compares the rough solution with a smooth problem for which the estimates are assumed.
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