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CompSci Colloquium: Paul Constantine (CO School of Mines)
Start Date: 3/21/2017Start Time: 3:30 PM
End Date: 3/21/2017End Time: 4:30 PM
Event Description:
Active Subspaces: Emerging Ideas for Dimension Reduction in Computational Science and Engineering Models

ABSTRACT: Scientists and engineers use computer simulations to study relationships between a physical model's input parameters and its output predictions. However, thorough parameter studies -- e.g., constructing response surfaces, optimizing or averaging -- are challenging, if not impossible, when the simulation is expensive and the model has several inputs. To enable parameter studies in these cases, the engineer may attempt to reduce the dimension of the model's input parameter space. Active subspaces are part of an emerging set of subspace-based dimension reduction tools that identify important directions in the input parameter space. Constantine will (i) describe computational methods for discovering a model's active subspaces, (ii) propose strategies for exploiting the reduced dimension to enable otherwise infeasible parameter studies, and (iii) review results from several science and engineering applications. For more information, visit
BIO: Paul G. Constantine is the Ben L. Fryrear Assistant Professor of Applied Mathematics and Statistics at Colorado School of Mines. He received his PhD from Stanford University's Institute for Computational and Mathematical Engineering and spent two years as the John von Neumann Fellow at the Sandia National Laboratories' Computer Science Research Institute. His research interests include uncertainty quantification and dimension reduction for large-scale computer simulations. For more information, visit
Location Information:
Main Campus - Discovery Learning Center  (View Map)
Boulder, CO
Contact Information:
Name: Bor-Yuh Evan Chang
This event is open to
  • Everyone
  • Of note:
    Seminar will be held in DLC 170, with a reception immediately following.

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