Spectral invariants of convex planar regions

Can One Hear the Shape of a Drum?

Mark Kac · American Mathematical Monthly · 1966 · 1.4K citations

Humanities, Musicology, Acoustics +6

Curvature and the eigenvalues of the Laplacian

H. P. McKean, I. M. Singer · Journal of Differential Geometry · 1967 · 950 citations · Full text

Natural Sciences, Mathematics, Physics +8

The isoperimetric inequality

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

Can One Hear the Shape of a Drum?

Mark Kac · American Mathematical Monthly · 1966 · 779 citations

Humanities, Musicology, Acoustics +6

The spectrum of positive elliptic operators and periodic bicharacteristics

J. J. Duistermaat, Victor Guillemin · Inventiones mathematicae · 1975 · 616 citations

Natural Sciences, Mathematics, Physics +12