On strong solutions of Itô's equations with a and b
arXiv:2007.06040
Abstract
We consider Itô uniformly nondegenerate equations with time independent coefficients, the diffusion coefficient in , and the drift in . We prove the unique strong solvability for any starting point and prove that as a function of the starting point the solutions are Hölder continuous with any exponent . We also prove that if we are given a sequence of coefficients converging in an appropriate sense to the original ones, then the solutions of approximating equations converge to the solution of the original one.
29 pages