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Event Description: John Boyd, Department of Atmospheric, Oceanic and Space Science, University of Michigan Exponentially accurate Rung-free approximation from samples on an evenly-spaced grid for non-periodic functions Approximating a function from its values at a f(xi) set of evenly spaced points xi through ( N +1)-point polynomial interpolation often fails...

Event Description: Richard Rotunno, Earth and Sun Systems Laboratory, NCAR A generalization of Lorentz鈥檚 model for the predictability of flows with many scales of motion The idea that there is an inherent finite range of predictability for certain fluid flows originates with Lorenz (Tellus, 1969). This idea is based on...

Event Description: Greg Lyng, Department of Mathematics, University of Wyoming The secondary caustic in the semiclassical limit for the focusing nonlinear Schr枚dinger equation We consider the cubic focusing nonlinear Schr枚dinger equation in one space dimension, with fixed initial data, in the semiclassical limit when a dispersion parameter analogous to Planck鈥檚...

Event Description: Jim Keener, Distinguished Professor of Mathematics, Adjunct Professor of Bioengineering, University of Utah How cells make measurements A fundamental problem of cell biology is to understand how cells make measurements and then make behavior decisions in response to these measurements. The full answer to this question is not...

Event Description: Ying Lu, Department of Sociology, 麻豆免费版下载 Verbal autopsy methods with multiple causes of death Verbal autopsy procedures are widely used for estimating cause-specific mortality in areas without medical death certification. Data on symptoms reported by caregivers along with the cause of death are collected from...

Event Description: Congming Li, Department of Mathematics, 麻豆免费版下载 Dynamic stability of the 3-D axi-symmetric Navier-Stokes equations with swirl I will present the joint work with Tom Hou on 鈥淒ynamic stability of the 3D axi-symmetric Navier-Stokes equations with swirl鈥� and some related equations. I will briefly describe the...

Event Description: Michael Rempe, Applied Mathematics, Northwestern University Efficient computational strategies for simulating neural activity on branched structures Ever since Hodgkin and Huxley developed their foundational mathematical model of neuronal activity, the field of computational neuroscience has been growing rapidly. THis system of differential equations has been used to simulate...

Event Description: Roseanna Neupauer, Department of Civil, Environmental, and Architectural Engineering, 麻豆免费版下载 Wavelet analysis to characterize hydraulic properties of porous media Hydraulic properties of porous media, such as permeability and porosity, control subsurface flow and the movement of chemicals dissolved in groundwater. Typically, these properties are spatially...

Event Description: Anne Sheehan, CIRES and Department of Geological Sciences, 麻豆免费版下载 Seismic imaging of the earth鈥檚 crust and mantle Much like a medical CT scan, seismic waves can be used to make detailed images of the Earth鈥檚 interior. Most seismic processing involves time series analysis and enhancement...

Event Description: Mary Nelson, Department of Applied Mathematics, 麻豆免费版下载 Oral assessments: improved in grades and retention We have all heard it said that, 鈥淵ou really don鈥檛 understand something until you teach it.鈥� We know that is because teaching forces us to clarify ideas and learn to explain...