Invisibility in billiards

Published 6 Sep 2010 in math.DS | (1009.1104v1)

Abstract: The question of invisibility for bodies with mirror surface is studied in the framework of geometrical optics. We construct bodies that are invisible/have zero resistance in two mutually orthogonal directions, and prove that there do not exist bodies which are invisible/have zero resistance in all possible directions of incidence.

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