On the regularity of the free boundary in the p-Laplacian obstacle problem

A Strong Maximum Principle for some quasilinear elliptic equations

Juan-Luis V�zquez · Applied Mathematics & Optimization · 1984 · 1.2K citations

Natural Sciences, Mechanical Engineering, Finite Element Methods +11

The obstacle problem revisited

Luis Caffarelli · Journal of Fourier Analysis and Applications · 1998 · 412 citations

Computing, Mathematics, Physics +9

The regularity of free boundaries in higher dimensions

Luis Caffarelli · Acta Mathematica · 1977 · 393 citations · Full text

Natural Sciences, Physics, Computational Fluid Dynamics +11

On the Porosity of Free Boundaries in Degenerate Variational Inequalities

Leon Karp, Tero Kilpeläinen, Arshak Petrosyan et al. · Journal of Differential Equations · 2000 · 58 citations

Engineering, Computational Engineering, Finite Element Methods +11

On the A-obstacle problem and the Hausdorff measure of its free boundary

S. Challal, Abdeslem Lyaghfouri, José Francisco Rodrigues · Annali di Matematica Pura ed Applicata (1923 -) · 2010 · 40 citations · Full text

Natural Sciences, Mathematics, Physics +13