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Chapter 20: ★ Cone-Convex Functions: Elementary Calculus and Examples

Chapter 20: ★ Cone-Convex Functions: Elementary Calculus and Examples

pp. 277-283

Authors

, Carnegie Mellon University, Pennsylvania, , Georgia Institute of Technology
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Extract

In this chapter, we (a) present epigraph characterization of cone-convexity, (b) introduce cone-monotonicity, and describe differential criteria of cone-convexity and cone-monotonicity, (c) present instructive examples of cone-convex and cone-monotone functions, (d) outline basic operations preserving cone-convexity and cone-monotonicity. Taken together, (b)--(d) provide simple and powerful tools allowing one to detect and utilize cone-convexity and cone-monotonicity.

Keywords

  • cone-convex mappings
  • cone-monotone mappings
  • differential criteria of cone-convexity and cone-monotonicity
  • cone-convexity of the square of a symmetric matrix
  • cone-concavity and cone-monotonicity of matrix square root

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