Abstract
We give a necessary and sufficient condition for a vector field to be a Hnear combination of gradients of concave functions with positive coefficients.
Cite
CITATION STYLE
APA
Chiappori, P. A., & Ekeland, I. (1997). A Convex Darboux Theorem. Annali Della Scuola Normale Superiore Di Pisa - Classe Di Scienze , 25(1–2), 287–297. https://doi.org/10.4310/maa.2002.v9.n3.a3
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