Mathav Murugan

University of British Columbia
Scientific, Seminar
UBC Probability Seminar: Mathav Murugan
November 5, 2025
University of British Columbia
We affirmatively resolve the energy image density conjecture of Bouleau and Hirsch (1986). This conjecture generalizes a foundational result in Malliavin calculus: the non-degeneracy of the Malliavin matrix of a random variable implies absolute...
Scientific, Seminar
UBC Probability Seminar: Mathav Murugan
March 19, 2025
University of British Columbia
Given a strongly local Dirichlet form on a metric measure space that satisfies Gaussian heat kernel bounds, we show that the martingale dimension of the associated diffusion process coincides with Cheeger's analytic dimension of the underlying metric...
Scientific, Summer School
2025 PIMS-CRM Summer School in Probability
June 2–27, 2025
University of British Columbia
Event Organizers Gordon Slade University of British Columbia Omer Angel University of British Columbia Louigi Addario-Berry McGill University Mathav Murugan University of British Columbia Course Descriptions Main course: Tom Hutchcroft Title...
Scientific, Seminar
UBC Probability Seminar: Mathav Murugan
October 30, 2024
University of British Columbia
We describe a solution to the inverse problem of constructing diffusions and random walks with prescribed sub-Gaussian heat kernel bounds with given volume growth and escape time profiles.
Scientific, Colloquia
UBC Math Department Colloquium: Mathav Murugan
October 25, 2024
University of British Columbia
There is a well-developed theory of Sobolev spaces on metric measure spaces, stemming from the seminal works of Cheeger and Shanmugalingam in the 1990s. However, this notion does not lead to a suitable space for fractals. We develop an alternate...
Scientific, Seminar
UBC Probability Seminar: Mathav Murugan
March 6, 2024
University of British Columbia
Spitzer (1958) showed that the trace of reflected Brownian motion on the upper half space on its boundary is a Cauchy process. More generally, every symmetric stable process in n-dimensional Euclidean space can be obtained as a trace process of a...
Scientific, Seminar
UBC Probability Seminar: Mathav Murugan
November 8, 2023
University of British Columbia
I report recent progress on heat kernel estimates for reflected diffusion on uniform domains where the underlying space admits sub-Gaussian heat kernel bounds. A key novelty of our work is the use of an extension operator that extends functions from...
Scientific, Seminar
UBC Probability Seminar: Mathav Murugan
December 7, 2022
University of British Columbia
The conformal Assouad dimension is the infimum of all possible values of the Assouad dimension after a quasisymmetric change of metric. We show that the conformal Assouad dimension equals a critical exponent associated with the combinatorial modulus...
Scientific, Seminar
Probability Seminar: Mathav Murugan
November 19, 2014
University of British Columbia
A metric space is a length space if the distance between two points equals the infimum of the lengths of curves joining them. For a measured length space, we characterize Gaussian estimates for iterated transition kernel for random walks and...