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Fleming Lecture Series

Dive into the world of mathematical discovery and innovation at the Fleming Lecture Series, hosted by the Department of Mathematical Sciences at CMU. This esteemed series brings together leading scholars, students, and enthusiasts to explore cutting-edge research, thought-provoking ideas, and the boundless possibilities of mathematics. Don’t miss this opportunity to be inspired and connect with a vibrant community of thinkers and problem-solvers!


Dr. Steven R. Bell, Purdue University

A man in a red shirt and glasses standing in front of a chalk board pointing at a complex mathematical equation.


April 17, 2025

4 p.m.

French Auditorium

Something about Poisson and Dirichlet and the necessity of complex numbers in Math and Science

AbstractI will illustrate how humans have been compelled to use complex numbers to understand nature by focussing on a period in history when my mathematical ancestors, Simeon-Denis Poisson and Peter Gustav Lejeune Dirichlet, made important breakthroughs in basic Science using calculus with complex numbers. As a descendent of those two who has developed a major lazy streak, I will show how quick and easy these breakthroughs become with 200 years of hindsight.


What's so great about the Bergman kernel?

AbstractIt happens to some people that, once they encounter a fact or two about the Bergman kernel and begin to play around with it, they can't stop! I will explain what excites me about the kernel and how it seems to pop up in the most surprising places. 

April 18, 2025

2 p.m.

Pearce Hall 227