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