Caustic
Sign in to saveenvelope of rays either reflected or refracted by a manifold
Connections
pedal curve
Entity
symplectic manifold
Entity
nephroid
Entity
rainbow
Entity
International Standard Book Number
Entity
circle
Entity
line
Entity
wavelength
Entity
refraction
Entity
parabola
Entity
subset
Entity
sunlight
Entity
binary operation
Entity
differential geometry
Entity
Vladimir Arnold
Entity
mathematical operation
Entity
manifold
Entity
geometrical optics
Entity
Cramer's rule
Entity
MathWorld
Entity