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math.PR2025
Worst-case mixing estimates for Brownian motion with semipermeable barriers
Alexander Van Werde, Jaron Sanders
We study the mixing properties of a Brownian motion whose movements are hindered by semipermeable barriers. Our setting assumes that the process takes values in a smooth planar dom…
math.CO2025
A sufficient condition for generalized spectral characterization of graphs with loops
Alexander Van Werde
Sufficient conditions for a simple graph to be characterized up to isomorphism given its spectrum and the spectrum of its complement graph are known due to Wang and Xu. This note e…