All Seminars & Colloquia
Aperiodic Order and Diffraction
Monday, 3/31/2014, 6:45pm - 11:59pm
Michael Baake, University of Bielefeld, Germany
The discovery of quasicrystals by Dan Shechtman in 1982
has shown that there are interesting systems beyond perfect
crystals with pure point diffraction spectra, and also that
we still have a rather limited understanding of what `order'
is supposed to mean, both mathematically and physically.
In this talk, basic structures with aperiodic order are
reviewed from the point of view of mathematical diffraction
theory, with focus on classic and paradigmatic examples.
Saturday, 3/29/2014, 5:47pm - 11:59pm
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Thursday, 3/27/2014, 1:37pm - 11:59pm
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Decoupling DeGiorgi systems via multi-marginal mass transport
Monday, 3/24/2014, 8:00pm - 11:59pm
Abstract: We exhibit a surprising relationship between elliptic gradient systems of PDEs, multi-marginal Monge-Kantorovich optimal transport problem, and multivariable Hardy-Littlewood inequalities. We show that the notion of an "orientable" elliptic system, conjectured to imply that --at least in low dimensions-- solutions with certain monotonicity properties are essentially $1$-dimensional, is equivalent to the definition of a "compatible" cost function, known to imply uniqueness and structural results for optimal measures to certain Monge-Kantorovich problems.
Genome rearrangements: when intuition fails
Monday, 3/24/2014, 3:10pm - 11:59pm
Speaker: Max Alekseyev, George Washington Univ.
Title: Genome rearrangements: when intuition fails
(* The JUMP seminar is part of the Joint Undergraduate Mathematics & Physics (JUMP) Scholarship program. See more info at
http://math.columbian.gwu.edu/
Abstract:
Norm and essential norms of weighted composition operators acting on reproducing kernel Hilbert spaces of analytic functions
Friday, 3/21/2014, 7:00pm - 11:59pm
Speaker: Flavia Colonna, George Mason University
Speaker: Changfeng Gui
Friday, 3/21/2014, 5:00pm - 11:59pm
Affiliation: University of Connecticut and NSF
Title: Diffusions, Fractional Laplacians and Traveling Waves
Friday, 3/21/2014, 1:00pm - 11:59pm
Join us for the Logic Seminar on March 21st in the Math Department.