Title: Jump estimates of ergodic averages for actions of groups of polynomial growth
Speaker: Wei Liu
Time: 16:00-17:00, August21
Location: Tecent Meeting, Tecent Meeting ID: 943 221 490
Abstract: We strengthen the maximal ergodic theorem for actions of groups of polynomial growth to a form involving 2-jump quantity, which is the sharpest result among the family of variational ergodic theorems. As a consequence, we obtain quantitative pointwise ergodic theorem. This is joint work with Guixiang Hong
