Activities This Week
BGU Probability and Ergodic Theory (PET) seminar
Effective equidistribution of horospherical flows in infinite volume Online
Mar 11, 16:00—17:00, 2021, Online
Speaker
Nattalie Tamam (University of California, San Diego)
Abstract
Horospherical flows in homogeneous spaces have been studied intensively over the last several decades and have many surprising applications in various fields. Many basic results are under the assumption that the volume of the space is finite, which is crucial as many basic ergodic theorems fail in the setting of an infinite measure space. In the talk we will discuss the infinite volume setting, and specifically, when can we expect horospherical orbits to equidistribute. Our goal will be to provide an effective equidistribution result, with polynomial rate, for horospherical orbits in the frame bundle of certain infinite volume hyperbolic manifolds. This is a joint work with Jacqueline Warren.
Arithmetic applications of o-minimality
Analyticity, algebraicity and definability — on the o-minimal version of Chow’s Theorem (cont.) Online
Mar 16, 10:10—12:00, 2021, online
Speaker
Kobi Peterzil (Haifa)
אשנב למתמטיקה
תכונה T של קשדן ושימושיה Online
Mar 16, 16:10—17:30, 2021, מרשתת
Speaker
יאיר גלזנר
Abstract
אתן סקירה קצרה על תכונה זו ועל השימושים הרבים והמפתיעים שלה בקומבינטוריקה, בגיאומטריה, בתורת החבורות ועוד.
Jerusalem - Be'er Sheva Algebraic Geometry Seminar
TBA
Mar 17, 15:00—16:30, 2021,