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Dimension and structure of the harmonic measure

Speaker
Svitlana Mayboroda, (University of Minnesota)
Date
Thu January 11th 2024, 4:30 - 5:30pm
Location
380Y
MRC Event Series

Harmonic measure is the probability that a Brownian traveler starting from the center of the domain exists through a particular portion of the boundary. It is a fundamental concept at the intersection of PDEs, probability, harmonic analysis, and geometric measure theory, and yet most questions pertaining to its dimension and structure remain open. We will discuss the state of the art and the recent results for the partially reflective Brownian motion, which, contrary to the classical case and to some predictions in physics literature, show absolute continuity of the corresponding harmonic measure with respect to the Hausdorff measure on the boundary.

This lecture is part of the Beatrice Yormark Distinguished Lecture Series.

You can learn more about Professor Svitlana Mayboroda here: https://www-users.cse.umn.edu/~svitlana/