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
See also List of convexity topics Non-convexity (economics), violations of the convexity assumptions of elementary economics Obtuse angle