On positive solutions of some nonlinear differential equations -- A probabilistic approach

By using connections between superdiffusions and partial differential equations (established recently by Dynkin, 1991), we study the structure of the set of all positive (bounded or unbounded) solutions for a class of nonlinear elliptic equations. We obtain a complete classification of all bounded solutions. Under more restrictive assumptions, we prove the uniqueness property of unbounded solutions, which was observed earlier by Cheng and Ni (1992).

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Year of publication:	1995
Authors:	Sheu, Yuan-Chung
Published in:	Stochastic Processes and their Applications. - Elsevier, ISSN 0304-4149. - Vol. 59.1995, 1, p. 43-53
Publisher:	Elsevier
Keywords:	Branching particle systems Measure-valued processes Nonlinear elliptic equation Range Superdiffusions

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Type of publication:	Article
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10008875343