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» Regularization on Discrete Spaces
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JSCIC
2008
62views more  JSCIC 2008»
13 years 10 months ago
Robustness of a Spline Element Method with Constraints
The spline element method with constraints is a discretization method where the unknowns are expanded as polynomials on each element and Lagrange multipliers are used to enforce th...
Gerard Awanou
JSC
2006
56views more  JSC 2006»
13 years 10 months ago
Viterbi sequences and polytopes
A Viterbi path of length n of a discrete Markov chain is a sequence of n + 1 states that has the greatest probability of ocurring in the Markov chain. We divide the space of all M...
Eric H. Kuo
JAT
2007
56views more  JAT 2007»
13 years 10 months ago
Quasi-interpolation in the Fourier algebra
We derive new convergence results for the Schoenberg operator and more general quasi-interpolation operators. In particular, we prove that natural conditions on the generator func...
Hans Georg Feichtinger, Norbert Kaiblinger
COMPUTING
2004
91views more  COMPUTING 2004»
13 years 10 months ago
A Stabilized Three-field Formulation for Advection-diffusion Equations
In this paper we propose a new stabilized three-field formulation applied to the advection-diffusion equation. Using finite elements with SUPG stabilization in the interior of the...
G. Rapin, G. Lube
CORR
2002
Springer
123views Education» more  CORR 2002»
13 years 10 months ago
Ideal decompositions and computation of tensor normal forms
Abstract. Symmetry properties of r-times covariant tensors T can be described by certain linear subspaces W of the group ring K[Sr] of a symmetric group Sr. If for a class of tenso...
Bernd Fiedler