Lower bound for the perimeter density at singular points of a minimizing cluster in Rⁿ
Hirsch, Jonas · Marini, Michele
Original · EN
In this paper we study the blow-ups of the singular points in the boundary of a minimizing cluster lying in the interface of more than two chambers. We establish a sharp lower bound for the perimeter density at those points and we prove that this bound is rigid, namely having the lowest possible density completely characterizes the blow-up.
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