Convexity may refer to one of the following.

• Convexity in mathematics; see convex set
• Convexity (the financial term for bond price / yield gamma); see Bond convexity

The concepts of convexity and concavity are important in various fields, and in various fields the adjective "convex" has their own specific meanings. Euclid, detail from The School of Athens by Raphael. ... Look up Convex set in Wiktionary, the free dictionary For other uses of convex, see convex function and convexity. ... Finance studies and addresses the ways in which individuals, businesses and organizations raise, allocate and use monetary resources over time, taking into account the risks entailed in their projects. ... In finance, a bond is a debt security, in which the issuer owes the holders a debt and is obliged to repay the principal and interest (the coupon). ... Yield may mean: In economics, yield is a measure of the amount of income an investment generates over time (related to return on investment). ... In finance, convexity is a measure of the sensitivity of the price of a bond to changes in interest rates. ...

• In optics; see convex lens and concave lens
• In mathematical analysis; see convex function

See also: list of convexity topics Table of Opticks, 1728 Cyclopaedia Optics (appearance or look in ancient Greek) is a branch of physics that describes the behavior and properties of light and the interaction of light with matter. ... Convex lens converging light rays A convex lens, or converging lens, is a lens that is curved outward (convex): the ends are narrow and the middle is wide. ... concave lens diverging light rays A concave lens is a lens with inward-curving (concave) surfaces: the ends are wide, the middle is thin. ... Analysis is the generic name given to any branch of mathematics that depends upon the concepts of limits and convergence. ... A convex function is a real-valued function f defined on an interval (or on any convex subset C of some vector space), if for any two points x and y in its domain C and any t in [0,1], we have Convex function on interval I.e. ... This is a list of convexity topics, by Wikipedia page. ...