An inverse spectral theorem and its relation to the Pompeiu problem

Estimates near the boundary for solutions of elliptic partial differential equations satisfying general boundary conditions. I

Shmuel Agmon, Avron Douglis, Louis Nirenberg · Communications on Pure and Applied Mathematics · 1959 · 3.8K citations

Natural Sciences, Mechanical Engineering, Differential Equations +10

<i>The Theory of Sound</i>

Lord Rayleigh, Norman H. Nachtrieb · Physics Today · 1957 · 3.5K citations

Language Studies, Linguistics, Acoustics +9

A symmetry problem in potential theory

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

Natural Sciences, Physics, Electromagnetism +11

The isoperimetric inequality

Robert Osserman · Bulletin of the American Mathematical Society · 1978 · 882 citations · Full text

The regularity of free boundaries in higher dimensions

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

Natural Sciences, Physics, Computational Fluid Dynamics +11