Optical and electrical studies of chalgogen-doped silicon and germanium
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Questions around school choice have attracted growing attention among educational scholars worldwide, and there is by now a burgeoning body of literature that links school choice to (i) the marketization and commercialization in education, (ii) new modes of governance in education, and (iii) individualized patterns of life-planning among families who see themselves increasingly exposed to global c
The conservation of biological diversity is a matter of uttermost importance and its significance is stressed in the environmental goals of the Swedish government. Among the environmental goals there are several distinctly defined goals related to biological diversity which are to be accomplished within a set amount of time. In order to succeed with these goals it is important to understand what i
This paper presents a method for optimal control of hybrid systems. An inequality of Bellman type is considered and every solution to this inequality gives a lower bound on the optimal value function. A discretization of this ``hybrid Bellman inequality'' leads to a convex optimization problem in terms of finite-dimensional linear programming. From the solution of the discretized problem, a value