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arxiv: 0810.1667 · v3 · submitted 2008-10-09 · 🧮 math.AP

Maximal solutions for -Delta u+u^q=0 in open or finely open sets

classification 🧮 math.AP
keywords opensolutionsdeltaexistencefinelyuniquenessassociatedbessel
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We study the existence and uniqueness of new classes of solutions of the superlinear equation $-\Delta u+u^q=0$ (q>1) in a domain of R^N or in a finely open set for the topology associated to the Bessel capacity C_{2,q'}. Condition of existence or uniqueness of solutions with boundary blow-up are obtained generalizing the results of Dhersin-Le Gall and of Labutin.

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