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This paper presents a fast implementation to compute the scalar multiplication of elliptic curve points based on a General-Purpose computing on Graphics Processing Units (GPGPU) approach. A GPU implementation using Dan Bernstein's Curve25519, an elliptic curve over a 255-bit prime eld complying with the new 128-bit security level, computes the scalar(More)
Su-Doku, a popular combinatorial puzzle, provides an excellent test-bench for heuristic explorations. Several interesting questions arise from its deceptively simple set of rules. How many distinct Su-Doku grids are there? How to find a solution to a Su-Doku puzzle? Is there a unique solution to a given Su-Doku puzzle? What is a good estimation of a(More)
robot scheduling with time-window constraints using a critical path approach. The cutting stock problem with mixed objectives: Two heuristics based on dynamic programming. A comparative study of exact algorithms for the two dimensional strip packing problem. An improved heuristic and an exact algorithm for the 2D strip and bin packing problem. application(More)