Lagrangian manifolds with singularities, asymptotic rays, and the open swallowtail

On Singularities of Mappings of Euclidean Spaces. I. Mappings of the Plane into the Plane

Hassler Whitney · Annals of Mathematics · 1955 · 531 citations

Integral Geometry, Geometry, I. Mappings +2

Wave front evolution and equivariant Morse lemma

Vladimir I. Arnold · Communications on Pure and Applied Mathematics · 1976 · 284 citations

Global Analysis, Wave Front Evolution, Integrable System

Invariants of Finite Reflection Groups

Louis Solomon · Nagoya Mathematical Journal · 1963 · 207 citations · Full text

Coxeter Group, Graded Ring, Polynomial Invariants +8

Equivalence of glancing hypersurfaces

Richard Melrose · Inventiones mathematicae · 1976 · 139 citations

Geometry, Ophthalmology, Optic Design +2

INDICES OF SINGULAR POINTS OF 1-FORMS ON A MANIFOLD WITH BOUNDARY, CONVOLUTION OF INVARIANTS OF REFLECTION GROUPS, AND SINGULAR PROJECTIONS OF SMOOTH SURFACES

Vladimir I. Arnold · Russian Mathematical Surveys · 1979 · 77 citations

Adapted Vector Fields, Global Geometry, Geometry +7