Convex or convexity may refer to:
Science and technology
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Convex lens, in optics
Mathematics
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Convex set
In geometry, a set of points is convex if it contains every line segment between two points in the set.
For example, a solid cube (geometry), cube is a convex set, but anything that is hollow or has an indent, for example, a crescent shape, is n ...
, containing the whole line segment that joins points
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Convex polygon, a polygon which encloses a convex set of points
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Convex polytope, a polytope with a convex set of points
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Convex metric space, a generalization of the convexity notion in abstract metric spaces
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Convex function
In mathematics, a real-valued function is called convex if the line segment between any two distinct points on the graph of a function, graph of the function lies above or on the graph between the two points. Equivalently, a function is conve ...
, when the line segment between any two points on the graph of the function lies above or on the graph
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Convex conjugate, of a function
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Convexity (algebraic geometry), a restrictive technical condition for
algebraic varieties originally introduced to analyze Kontsevich
moduli spaces
Economics and finance
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Convexity (finance), second derivatives in financial modeling generally
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Convexity in economics
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Bond convexity, a measure of the sensitivity of the duration of a bond to changes in interest rates
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Convex preferences, an individual's ordering of various outcomes
Other uses
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Convex Computer, a former company that produced supercomputers
See also
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List of convexity topics
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Non-convexity (economics), violations of the convexity assumptions of elementary economics
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Obtuse angle
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{{disambiguation