On Stability of Linear Barbashin Type Integrodifferential Equations

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8 Scopus citations


We consider the Barbashin type equation ∂u(t,x)/∂t=c(t,x)u(t,x)+∫01k(t,x,s)u(t,s)ds+f(t,x) (t>0; 0≤x≤1), where c(·, ·), k(·, ·, ·), and f(·, ·) are given real functions and u(·, ·) is unknown. Conditions for the boundedness of solutions of this equation are suggested. In addition, a new stability test is established for the corresponding homogeneous equation. These results improve the well-known ones in the case when the coefficients are differentiable in time. Our approach is based on solution estimates for operator equations. It can be considered as the extension of the freezing method for ordinary differential equations.

Original languageEnglish
Article number962565
JournalMathematical Problems in Engineering
StatePublished - 1 Jan 2015

ASJC Scopus subject areas

  • General Mathematics
  • General Engineering


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