Philippe Chrétienne

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This paper considers the problem of aggregating several multicast sessions. A multicast session is defined as a subset of clients requiring the same information. Besides, each client can require several multicast sessions. A telecommunication network cannot manage many multicast sessions at the same time. It is hence necessary to group the sessions into a(More)
This paper deals with the problem of ÿnding a minimum cost schedule for a set of dependent activities when a convex cost function is attached to the starting time of each activity. A ÿrst optimality necessary and suucient condition bearing on the head and tail blocks of a schedule is ÿrst established. A second such condition that uses the spanning active(More)