Monotone functions and quasiconformal mappings on Carnot groups

Hypoelliptic second order differential equations

Lars Hörmander · Acta Mathematica · 1967 · 2.4K citations · Full text

Oscillation Theory, Nonlinear Hyperbolic Problem, Nonlinear Equation

Lipschitz functions on spaces of homogeneous type

Roberto Macías, Carlos Segovia · Advances in Mathematics · 1979 · 544 citations

Lipschitz Functions, Interpolation Space, Global Analysis +2

The Poincaré inequality for vector fields satisfying Hörmander’s condition

David Jerison · Duke Mathematical Journal · 1986 · 392 citations

Engineering, Global Analysis, Riemannian Manifold +4

Foundations for the Theory of Quasiconformal Mappings on the Heisenberg Group

Adam Korányi, Hans Martin Reimann · Advances in Mathematics · 1995 · 267 citations

Spectral Theory, Lie Group, Representation Theory +5

Regularity properties of deformations with finite energy

Vladimír Šverák · Archive for Rational Mechanics and Analysis · 1988 · 211 citations

Nonlinear Elasticity, Elasticity (Physics), Mechanics +2