In this note, we prove an existence and uniqueness result of solution for stochastic differential delay equations with hereditary drift driven by a fractional Brownian motion with Hurst parameter H > 1/2. Then, we show that, when the delay goes to zero, the solutions to these equations converge, almost surely and in L(p), to the solution for the equation without delay. The stochastic integral with respect to the fractional Brownian motion is a pathwise Riemann-Stieltjes integral.
机构:
Alexandru Ioan Cuza Univ, Fac Econ & Business Adm, Dept Math, Iasi, RomaniaAlexandru Ioan Cuza Univ, Fac Econ & Business Adm, Dept Math, Iasi, Romania
Ciotir, Ioana
Rascanu, Aurel
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机构:
Alexandru Ioan Cuza Univ, Fac Math, Iasi, Romania
Acad Romana, Octav Mayer Math Inst, Bucharest, RomaniaAlexandru Ioan Cuza Univ, Fac Econ & Business Adm, Dept Math, Iasi, Romania