2020 ◽  
Vol 2020 (758) ◽  
pp. 95-137 ◽  
Author(s):  
Nick Edelen

AbstractWe develop the notion of Brakke flow with free-boundary in a barrier surface. Unlike the classical free-boundary mean curvature flow, the free-boundary Brakke flow must “pop” upon tangential contact with the barrier. We prove a compactness theorem for free-boundary Brakke flows, define a Gaussian monotonicity formula valid at all points, and use this to adapt the local regularity theorem of White [23] to the free-boundary setting. Using Ilmanen’s elliptic regularization procedure [10], we prove existence of free-boundary Brakke flows.


1991 ◽  
Vol 89 (2) ◽  
pp. 355-387 ◽  
Author(s):  
Eugene Fabes ◽  
Mitchell Luskin ◽  
George R Sell

2013 ◽  
Vol 13 (2) ◽  
Author(s):  
Jia-Quan Liu ◽  
Xiang-Qing Liu ◽  
Zhi-Qiang Wang

AbstractIn this paper we study a class of quasilinear problems, in particular we deal with multiple sign-changing solutions of quasilinear elliptic equations. We further develop an approach used in our earlier work by exploring elliptic regularization. The method works well in studying multiplicity and nodal property of solutions.


2011 ◽  
Vol 21 (06) ◽  
pp. 1377-1394 ◽  
Author(s):  
ULISSE STEFANELLI

We prove a conjecture by De Giorgi on the elliptic regularization of semilinear wave equations in the finite-time case.


2010 ◽  
Vol 72 (6) ◽  
pp. 3049-3061 ◽  
Author(s):  
N.C. Apreutesei ◽  
B. Djafari Rouhani

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