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What’s the frequency, Kenneth?: A survey of Fourier sampling algorithms Anna Gilbert Department of Mathematics, University of Michigan Date and time: Friday, January 25, 2013 - 1:15pm Abstract: In the last decade, scientists, mathematicians, and engineers have recognized that our ability to generate data far exceeds our ability to record...

Touching the inside of a convecting star and its magnetic dynamo Juri Toomre Joint Institute for Laboratory Astrophysics (JILA) Date and time: Friday, January 18, 2013 - 1:15pm Abstract: Stars are the primary builders of magnetism in our Universe, expelling some of it through their winds and explosions, or leaving...

A Framework for Spatiotemporal Stochastic Weather Simulation William Kleiber Applied Mathematics , University of Colorado Boulder Date and time: Friday, November 16, 2012 - 3:30pm Abstract: Gridded daily weather simulations are key features of downscaling,hydrological and agricultural models, as well as climate impact studies. Typically, spatially consistent weather simulations are...

Constraining Carbon Cycling in Space and Time Through Data Assimilation Mathew Williams School of Geosciences, University of Edinburgh, Scotland Date and time: Friday, November 9, 2012 - 3:30pm Abstract: We face a number of challenges in modelling the terrestrial carbon cycle.Detailed understanding is focused at a few research sites, which...

All The Way With Gaston Floquet: A Theory for Flicker Hallucinations Bard Eremntrout Department of Mathematics, University of Pittsburgh Date and time: Friday, November 2, 2012 - 3:30pm Abstract: When the human visual system is subjected to diffuse flickering light in the range of 5-25 Hz, many subjects report beautiful...

Approaches to Sampling the World's Microbial Diversity Rob Knight HHMI , Department of Chemistry & Biochemistry, ¶¶ÒõÂÃÐÐÉä Boulder , Department of Computer Science, ¶¶ÒõÂÃÐÐÉä Boulder Date and time: Friday, October 26, 2012 - 3:30pm Abstract: Recent advances in DNA sequencing technology have led to a revolution in our ability to...

Minimal Models for Precipitating Convection Leslie Smith Department of Mathematics and Department of Engineering Physics, University of Wisconsin, Madison Date and time: Friday, October 12, 2012 - 3:30pm Abstract: Minimal models are formulated and explored for precipitating convection in a strongly stratified environment. The first model incorporates fast auto-conversion from...

A Model Reduction Algorithm for Computational Electromagnetism Mahadevan Ganesh Department of Applied Mathematics & Statistics, Colorado School of Mines Date and time: Friday, September 7, 2012 - 3:30pm Abstract: We consider a parameterized multiple electromagnetic scattering wave propagation model in three dimensions. The parameters in the model describe the location,...

Colloids and Topological Defects in Liquid Crystals Ivan I. Smalyukh Department of Physics, ¶¶ÒõÂÃÐÐÉä Boulder Date and time: Friday, August 31, 2012 - 3:30pm Abstract: Liquid crystals and colloids find increasingly important applications in science and technology, ranging from information displays to direct probing of kinetic processes in crystals and...

Non-Hydrostatic Modeling of General Ocean Circulation with First Order System Least Squares Finite Element Methods Jose Garcia NCAR - High Altitude Observatory Date and time: Tuesday, November 8, 2011 - 3:45pm Abstract: The dynamics of ocean circulation are generally well described by the Navier-Stokes equations in a rotational frame of...