Abstract
Some variational models have been recently introduced to the aim of modeling ramified structures, such as trees, rivers and so on. We introduce a general scheme in which the notion of "transport distance" is introduced starting from a general transport cost functional, through relaxation arguments. Then we apply this general framework to the irrigation cost, which is a particular cost functional depending on a parameter α between 0 and 1. We discuss the equivalence between this abstract approach and the above models
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Published by Heldermann Verlag, 2009. Rights now held by Banach Press LLC.
