Convex

Convex or convexity may refer to:

Science and technology

 * Convex lens, in optics

Mathematics

 * Convex set, containing the whole line segment that joins points
 * Convex polygon, a polygon which encloses a convex set of points
 * Convex polytope, a polytope with a convex set of points
 * Convex metric space, a generalization of the convexity notion in abstract metric spaces
 * Convex function, when the line segment between any two points on the graph of the function lies above or on the graph
 * Convex conjugate, of a function
 * Convexity (algebraic geometry), a restrictive technical condition for algebraic varieties originally introduced to analyze Kontsevich moduli spaces

Economics and finance

 * Convexity (finance), second derivatives in financial modeling generally
 * Convexity in economics
 * Bond convexity, a measure of the sensitivity of the duration of a bond to changes in interest rates
 * Convex preferences, an individual's ordering of various outcomes

Other uses

 * Convex Computer, a former company that produced supercomputers