## Seminars

## Applied Mathematics Department Colloquium - Michael Mahoney

March 4, 2016

Friday, March 04, 2016 3:00 PM - 4:00 PM Main Campus - Engineering Classroom Wing - 265 Michael Mahoney ; Department of Statistics ; University of California, Berkeley Column Subset Selection on Terabyte-sized Scientific Data One of the most straightforward formulations of a feature selectionproblem boils down to the linear...

## Applied Mathematics Department Colloquium - Rafael Fongillo

Feb. 26, 2016

Friday, February 26, 2016 3:00 PM - 4:00 PM Main Campus - Engineering Classroom Wing - 265 Rafael Frongillo , Department of Computer Science , University of Colorado Boulder Minimizing the Risk of Risk: Computing Risk Measures via Empirical Risk Minimization An important open question in statistics and machine learning...

## Applied Mathematics Department Colloquium - Natasha Flyer

Feb. 19, 2016

Event Description: Natasha Flyer , National Center for Atmospheric Research Radial Basis Function-Generated Finite Differences (RBF-FD): New Computational Opportunities in the Geosciences A novel mathematical methodology is presented for modeling a wide array of physics in the geosciences. It based on a mesh-less approach known as radial basis function -generated...

## Applied Mathematics Department Colloquium - Laura Grigori

Feb. 12, 2016

Event Description: Laura Grigori , INRIA Paris - Rocquencourt Alpines group, joint with Laboratoire J.L. Lions, UPMC An overview of fast and robust communication-avoiding algorithms In this talk I will discuss one of the main challenges in high performance computing: the increased cost of communication with respect to computation, where...

## Department Colloquium - Michael Wakin

Feb. 5, 2016

Event Description: Michael Wakin , Department of Electrical Engineering and Computer Science , Colorado School of Mines Slepian Sequences and Subspace Models for Signal Processing Low-dimensional subspace models offer a convenient representation for many high-dimensional signals; such models form the backbone of least-squares signal processing and many common compression techniques...

## Department Colloquium - Joel Zylberberg

Jan. 22, 2016

Joel Zylberberg, Department of Physiology and Biophysics, University of Colorado School of Medicine Mathematical and Computational Principles Underlying Robust Perception and Memory The nervous system is a surprisingly noisy place. For example, if one presents the exact same stimulus to an animal many times, and records the activities of their...

## Colloquium: Matthew Kahle

Dec. 11, 2015

Time: Friday, December 11, 2015 - 4:00pm Location: ECCR 150 Topology of configuration spaces of hard spheres Joint Talk with Department of Mathematics Matthew Kahle Department of Mathematics , Ohio State University Abstract: Hard spheres are routinely studied as model particles in statistical mechanics. However, the underlying phase space or...

## Colloquium: Paul Constantine

Dec. 4, 2015

Active subspaces: Emerging ideas for dimension reduction in parameter studies Joint talk with Department of Mathematics. Paul Constantine Department of Applied Mathematics and Statistics , Colorado School of Mines Date and time: Friday, December 4, 2015 - 3:00pm Location: ECCR 245 Abstract: Scientists and engineers use computer simulations to study...

## Colloquium: Tadashi Tokieda

Nov. 6, 2015

Chain reactions Tadashi Tokieda Poincaré Distinguished Visiting Professor, Stanford University Date and time: Friday, November 6, 2015 - 3:00pm Location: ECCR 245 Abstract: To every action, there is an equal and opposite reaction. However, there turn out to exist in nature situations where the reaction seems to be neither equal...

## Colloquium: Koji Ohkitani

Oct. 30, 2015

Blowup Criteria for 3D Navier-Stokes Equation: the Vector Potential as a Possible Blowup Criterion Koji Ohkitani School of Mathematics and Statistics , University of Sheffield Date and time: Friday, October 30, 2015 - 3:00pm Location: ECCR 245 Abstract: We consider basic regularity issues of the Navier-Stokes equations, which is potentially...