Monotonicity and one-dimensional symmetry for solutions of −Δ p u = f(u) in half-spaces

Symmetry and related properties via the maximum principle

Basilis Gidas, Wei‐Ming Ni, Louis Nirenberg · Communications in Mathematical Physics · 1979 · 2.9K citations

Natural Sciences, Mathematics, Physics +14

Regularity for a more general class of quasilinear elliptic equations

Peter Tolksdorf · Journal of Differential Equations · 1984 · 1.5K citations

Computing, Computational Engineering, Finite Element Methods +10

A symmetry problem in potential theory

James Serrin · Archive for Rational Mechanics and Analysis · 1971 · 1.3K citations

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Boundary regularity for solutions of degenerate elliptic equations

Gary M. Lieberman · Nonlinear Analysis · 1988 · 1.3K citations

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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