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Many combinatorial optimization problems can be formulated as
the minimization of a 0–1 quadratic function subject to linear constraints. In
this paper, we are interested in the exact solution of this problem through a
two-phase general scheme. The first phase consists in reformulating the
initial problem either into a compact mixed integer linear program or into a
0–1 quadratic convex program. The second phase simply consists in
submitting the reformulated problem to a standard solver. The efficiency...
We consider the approximation of a mean field stochastic process by a large interacting particle system. We derive non-asymptotic large deviation bounds
measuring the concentration of the empirical measure of the paths of the particles around the law of the process. The method is based on a coupling argument, strong integrability estimates on the paths in Hölder norm, and a general concentration result for the empirical measure of identically distributed independent paths.
Control of quantum systems is central in a variety of present and perspective applications ranging from quantum optics and quantum chemistry to semiconductor nanostructures, including the emerging fields of quantum computation and quantum communication. In this paper, a review of recent developments in the field of optimal control of quantum systems is given with a focus on adjoint methods and their numerical implementation. In addition, the issues of exact controllability and optimal control are...
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