Northwestern Events Calendar

Oct
29
2021

Colloquium: Sidney Redner: First-Passage Processes in Physics and Beyond

When: Friday, October 29, 2021
4:00 PM - 5:00 PM Central

Where: Technological Institute, L211, 2145 Sheridan Road, Evanston, IL 60208 map it

Audience: Faculty/Staff - Student - Post Docs/Docs - Graduate Students

Contact: Samantha Westlake   (847) 491-7650

Group: Physics and Astronomy Colloquia

Category: Academic

Description:

Abstract: A fundamental aspect of a random walk is determining when it reaches a specified threshold position for the first time.  This first-passage time, and more generally, the distribution of first passage times underlies many non-equilibrium phenomena, such as the triggering of integrate and fire neurons, the statistics of cell division, and the execution of stock options.  The computation of the first-passage time and its distribution is both simple and beautiful, with profound connections to electrostatic potential theory.  I will present some aspects of these fundamentals and then discuss applications of first-passage ideas to diverse phenomena, including the stochastic search processes and a toy model of wealth sharing.

Seminar Speaker: Sidney Redner, Santa Fe Institute

Hosts: Istvan Kovacs, Adilson Motter

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