Abstract
We give a very short derivation of the convex conjugate of the function whose value is the pointwise supremum of a finite collection of proper convex functions.
References
- R. I. Boţ, G. Wanka: The conjugate of the pointwise maximum of two convex functions revisited, J. Glob. Optim. 41 (2008) 625–632.https://doi.org/10.1007/s10898-008-9282-1Google Scholar
- C. Combari, M. Laghdir, L. Thibault: Sous-différentiels de fonctions convexes composées, Ann. Sci. Math. Qué. 18(2) (1994) 119–148.Google Scholar
- S. P. Fitzpatrick, S. Simons: On the pointwise maximum of convex functions, Proc. Amer. Math. Soc. 128 (2000) 3553–3561.https://doi.org/10.1090/S0002-9939-00-05449-6Google Scholar
- A. Hantoute, M. A. López: A complete characterization of the subdifferential set of the supremum of an arbitrary family of convex functions, J. Convex Analysis 15 (2008) 831–858.https://doi.org/10.68381/jca15054Google Scholar
- A. Hantoute, M. A. López, C. Zălinescu: Subdifferential calculus rules in convex analysis: a unifying approach via pointwise supremum functions, SIAM J. Optim. 19 (2008) 863–882.https://doi.org/10.1137/070700413Google Scholar
- J.-B. Hiriart-Urruty, C. Lemaréchal: Convex Analysis and Minimization Algorithms II, Grundlehren der mathematischen Wissenschaften 306, Springer, Berlin (1993).https://doi.org/10.1007/978-3-662-02796-7Google Scholar
- R. T. Rockafellar: Convex Analysis, Princeton University Press, Princeton (1970).https://doi.org/10.1515/9781400873173Google Scholar
- R. T. Rockafellar, R. J.-B. Wets: Variational Analysis, Grundlehren der mathematischen Wissenschaften 317, Springer, Berlin (1998).https://doi.org/10.1007/978-3-642-02431-3Google Scholar
- S. Traoré, M. Volle: On the level sum of two convex functions on Banach spaces, J. Convex Analysis 3 (1996) 141–151.https://doi.org/10.68381/jca03010Google Scholar
- C. Zălinescu: Convex Analysis in General Vector Spaces, World Scientific, Singapore (2002).https://doi.org/10.1142/5021Google Scholar
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Published by Heldermann Verlag, 2012. Rights now held by Banach Press LLC.
