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Dual Formulations of Mixed Finite Element Methods
Dual Formulations Mixed Finite Element Methods
2011/2/22
Mixed finite element methods solve a PDE using two or more variables. The theory of Discrete Exterior Calculus explains why the degrees of freedom associated to the different variables should be store...
Non-equilibrium allele frequency spectra via spectral methods
Non-equilibrium allele frequency spectra spectral methods
2010/11/24
A major challenge in the analysis of population genomics data consists of isolating signatures of natural selection from background noise caused by random drift and gene flow. Analyses of massive amou...
Commutators, Words, Conjugacy Classes and Character Methods
Finite simple groups commutators conjagacy classes characters word maps random walks
2010/2/26
In this survey paper we show how character methods can be used to solve a wide range of seemingly unrelated problems. These include commutators, powers of conjugacy classes and related random walks, a...