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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
Education is one of the tools used by the Malaysian policy makers to foster unity and solidarity among people. A well-planned education system can be a useful medium in creating high moral and ethical values, to inculcate spirituality in society as well as to unite racial diversity. Nevertheless, under the complicated multicultural and ethnicity composition of Malaysian society, mother tongue lang
Virtual reality carries great promise to facilitate the building process. Some examples are the communication between architects and building companies, sellers and buyers or the community planners and the general public. It is often thought that in order to utilize the possibilities of VR, for example in the above-mentioned contexts, it is necessary to use full-fledged versions of VR including fo
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Adverse weather conditions involving diminished visibility through rain, snow, fog and reduced traction as a consequence of rainy, snowy, and icy surfaces have been a major cause for traffic accidents throughout the EU in recent years. In conjunction with deficient speed adjustments and improper headway control on the part of the driver, they represent one of the chief causes for traffic accidents
