Tokyo Probability Seminar

Seminar information archive ~09/16Next seminarFuture seminars 09/17~

Date, time & place Monday 16:00 - 17:30 126Room #126 (Graduate School of Math. Sci. Bldg.)
Organizer(s) Makiko Sasada, Shuta Nakajima (Keio Univ.), Masato Hoshino (Science Tokyo), Masahisa Ebina (Science Tokyo)

2026/10/05

16:50-18:20   Room #122 (Graduate School of Math. Sci. Bldg.)
The classroom is 122. No Tea Time today.
Dai Taguchi (Kansai University)
Euler–Maruyama scheme with unbounded Hölder drift
[ Abstract ]
In this talk, we establish the strong rate of convergence of the Euler--Maruyama scheme for multidimensional stochastic differential equations with unbounded, uniformly locally Hölder continuous drift and multiplicative noise. Our approach relies on the Itô--Tanaka trick (Zvonkin-type transformation) adapted to unbounded drift. Furthermore, in order to apply the stochastic sewing lemma, we employ heat kernel estimates for the transition density of the Euler--Maruyama scheme. This talk is based on joint work with Tsukasa Moritoki (Okayama university).