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JOURNALS // Teoriya Veroyatnostei i ee Primeneniya // Archive

Teor. Veroyatnost. i Primenen., 2005 Volume 50, Issue 2, Pages 390–396 (Mi tvp117)

This article is cited in 10 papers

Short Communications

A backward stochastic differential equation without strong solution

R. Buckdahna, H. J. Engelbertb

a Université de Bretagne Occidentale
b Friedrich-Schiller-University

Abstract: In [R. Buckdahn, H.-J. Engelbert, and A. Răşcanu, Theory Probab. Appl., 49 (2005), pp. 16–50] the notion of a weak solution of a general backward stochastic differential equation (BSDE) was introduced. There was also given an example of a weak solution for a certain BSDE which is not a strong solution, i.e., not a solution in the classical sense. However, the solution of the BSDE which was considered is not unique in law and, as was pointed out, there exist also strong solutions of this BSDE. In the present paper, we will remove this insufficiency and give an example of a BSDE which has a weak solution but does not possess any strong solution.

Keywords: backward stochastic differential equations, weak solutions, strong solutions, Tsirelson example.

Received: 05.06.2004

Language: English

DOI: 10.4213/tvp117


 English version:
Theory of Probability and its Applications, 2006, 50:2, 284–289

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