Sub-Riemannian geometry

Hypoelliptic differential operators and nilpotent groups

Linda Preiss Rothschild, E. M. Stein · Acta Mathematica · 1976 · 1.1K citations · Full text

Natural Sciences, Mathematics, Differential Equations +7

Real hypersurfaces in complex manifolds

Shiing-Shen Chern, Jürgen Moser · Acta Mathematica · 1974 · 1.1K citations · Full text

Natural Sciences, Philosophy, Surface Science +8

Balls and metrics defined by vector fields I: Basic properties

Alexander Nagel, Elias M. Stein, Stephen Wainger · Acta Mathematica · 1985 · 886 citations · Full text

Natural Sciences, Mathematics, Geometry +11

Pseudo-Hermitian structures on a real hypersurface

S. M. Webster · Journal of Differential Geometry · 1978 · 557 citations · Full text

Natural Sciences, Materials Science, Topology +11

Analysis of the Laplacian on the complete Riemannian manifold

Robert S. Strichartz · Journal of Functional Analysis · 1983 · 541 citations

Natural Sciences, Physics, Mathematical Physics +9