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In earlier work, the authors proved the Discrete Schwarz-Pick Lemma for circle packings. Here we establish a notion of spherical, parabolic, and hyperbolic "type" for circle packing configurations, ...
Laurence Carassus, Miklós Rásonyi, Maximization of Nonconcave Utility Functions in Discrete-Time Financial Market Models, Mathematics of Operations Research, Vol. 41, No. 1 (February 2016), pp.