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FRAME POTENTIAL AND FINITE ABELIAN GROUPS
tight frame frame potential finite abelian group sampling
2015/12/10
This article continues a prior investigation of the authors with the goal of extending characterization results of convolutional tight frames from the context of cyclic groups to general finite abelia...
Logarithmic potential beta-ensembles and Feynman graphs
Logarithmic potential beta-ensembles Feynman graphs
2010/12/14
We present the diagrammatic technique for calculating the free energy of the matrix eigenvalue
model (the model with arbitrary power β by the Vandermonde) to all orders of 1/N expansion in
the case ...
Towards an Lp potential theory for sub-Markovian semigroups: kernels and capacities
nonlinear potential theory $(r,p)$-capacity Bessel potential space gamma-transform sub-Markovian semigroup
2007/12/12
We study in fairly general measure spaces $(X,\mu)$ the (non-linear) potential theory of $L^p$ sub-Markovian semigroups which are given by kernels having a density with respect to the underlying measu...