Statistical Seminar :  Time: 5:00 pm - 6:00 pm Date: 30th of March 2023 Place: Room 3001 + ZOOM   Dmitrii OVSTROSKI - "Fast and optimal algorithm for online portfolio, and beyond "   https://ecolepolytechnique.zoom.us/j/84450260075​    Abstract: In his seminal 1991 paper, Thomas M. Cover introduced a simple and elegant mathematical model for stock trading, […]