Campuses:

Symmetries

Monday, July 27, 2009 - 2:00pm - 2:50pm
Helge Kristian Jenssen (The Pennsylvania State University)
Motivated by the problem of symmetric collapsing gas-dynamical shocks we
present a scalar toy model that captures blowup of focusing waves. This model
is simple enough to allow for explicit calculations, and we study some solutions in
detail. As a scalar model it does not describe reflection of waves and this necessitates
a new concept of weak solutions.

Returning to gas-dynamics we review a part of the extensive literature on
compressible flow with symmetry, and collapsing shocks in particular.
Tuesday, December 10, 2013 - 9:00am - 9:50am
Erica Flapan (Pomona College)
Understanding molecular symmetries has many important applications in chemistry. Symmetry is used in interpreting results in crystallography, spectroscopy, and quantum chemistry, as well as in classifying molecules. Mirror image symmetry is particularly important in predicting reactions and designing new pharmaceutical products.
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