Applied Mathematics Colloquium – Ilse Ipsen

Ilse Ipsen, Distinguished Professor of Mathematics, Department of Statistics, North Carolina State University An Introduction to Randomized Matrix Computations We present a `user-friendly' introduction to randomized matrix algorithms, with several case studies that focus on the ideas and intuition behind randomization. The concerted development of randomized matrix algorithms started in the theoretical Computer Science community in the nineteen-nineties. At first a purely theoretical enterprise, these algorithms have become practical to the point that they are being used by domain scientists; and general purpose software libraries, such as RandBLAS and RandLAPACK, are under development. Many randomized matrix algorithms reduce the problem dimension by replacing the original matrix with a lower-dimensional 'sketch'. We illustrate this on the basic problem of matrix multiplication, and on the solution of least squares/regression problems. Along the way, we discuss sampling modalities… Applied Mathematics Colloquium – Ilse Ipsen is scheduled at Engineering Center in Boulder on Tuesday, November 3, 2026 at 3:30 pm. Presented by Applied Mathematics, the date, time and location for this community event were verified against the organizer’s official calendar. Admission information: See official source for current pricing. Check the official source before attending…

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