Balogh, Tamás L.; Ewerhart, Christian - 2015
of concavity that is closely related to what is nowadays known as r-concavity in the operations research literature, and … that is identical to what is nowadays known as r-concavity in the economics literature. The present paper aims at making … this end, we offer a translation of those parts of Martos (1966) that are directly related to generalized concavity …