Linear Backward Stochastic Differential Equations of Descriptor Type: Regular Systems

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In this article, a class of linear backward stochastic differential equations of descriptor type with time-invariant coefficients are introduced. Necessary and sufficient conditions for their solvability are obtained. It turns out that such equations may not always have a solution, and even when they do, some components of the solution could have a jump at terminal time. Exact controllability of linear descriptor stochastic control systems is also considered.

Original languageEnglish
Pages (from-to)142-166
Number of pages25
JournalStochastic Analysis and Applications
Issue number1
Publication statusPublished - 2013
Externally publishedYes


  • BSDEs
  • Descriptor systems
  • Exact controllability
  • Solvability

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