In this paper we introduce disciplined convex-concave programming (DCCP), which combines the ideas of disciplined convex programming (DCP) with convex-concave programming (CCP). Convex-concave ...

The concept of a negative radius of curvature is used to show that the Fock currents can be extended to cover the case of a concave parabola, as well as a convex one. A simple analytic continuation of ...