This paper examines properties and interrelations of several concepts of generalized concavity. It shows that the class of functions that are both 'generalized concave' and 'generalized convex' is ...
SIAM Journal on Numerical Analysis, Vol. 53, No. 1 (2015), pp. 421-444 (24 pages) We propose a preconditioned version of the Douglas–Rachford splitting method for solving convex-concave saddle-point ...
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