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ICIP
2005
IEEE
14 years 11 months ago
Fourier transform for the spatial quincunx lattice
We derive a new, two-dimensional nonseparable signal transform for computing the spectrum of spatial signals residing on a finite quincunx lattice. The derivation uses the connect...
Markus Püschel, Martin Rötteler
DCC
2008
IEEE
14 years 9 months ago
Homogeneous factorisations of Johnson graphs
For a graph , subgroups M < G Aut(), and an edge partition E of , the pair (, E) is a (G, M)-homogeneous factorisation if M is vertex-transitive on and fixes setwise each part...
Maria Cristeta Cuaresma, Michael Giudici, Cheryl E...
ICCS
2007
Springer
14 years 1 months ago
An Efficient Characteristic Method for the Magnetic Induction Equation with Various Resistivity Scales
In this paper, we develop an efficient characteristic finite element method (FEM) for solving the magnetic induction equation in magnetohydrodynamics (MHD). We carry out numerical ...
Jiangguo (James) Liu
CASC
2006
Springer
106views Mathematics» more  CASC 2006»
14 years 1 months ago
Simplicial Perturbation Techniques and Effective Homology
In this paper, we deal with the problem of the computation of the homology of a finite simplicial complex after an "elementary simplicial perturbation" process such as th...
Rocío González-Díaz, Bel&eacu...
CSR
2006
Springer
14 years 1 months ago
Expressiveness of Metric Modalities for Continuous Time
Abstract. We prove a conjecture by A. Pnueli and strengthen it showing a sequence of "counting modalities" none of which is expressible in the temporal logic generated by...
Yoram Hirshfeld, Alexander Moshe Rabinovich