摘要

We give some criteria for a-minimally thin sets and a-rarefied sets associated with the stationary Schrodinger operator at a fixed Martin boundary point or 8 with respect to a cone. Moreover, we show that a positive superfunction on a cone behaves regularly outside an a-rarefied set. Finally we illustrate the relation between the a-minimally thin set and the a-rarefied set in a cone.

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