266 search results - page 4 / 54 » Sparse Numerical Semigroups |
TMI
2010
13 years 2 months ago
2010
Abstract--Reconstruction algorithms for fluorescence tomography have to address two crucial issues : (i) the ill-posedness of the reconstruction problem, (ii) the large scale of nu...
ICCS
2007
Springer
14 years 1 months ago
2007
Springer
In this paper we deal with performance analysis of Monte Carlo algorithm for large linear algebra problems. We consider applicability and efficiency of the Markov chain Monte Carlo...
SC
2003
ACM
14 years 20 days ago
2003
ACM
We investigate the use of the multistep successive preconditioning strategies (MSP) to construct a class of parallel multilevel sparse approximate inverse (SAI) preconditioners. W...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Spectral factorization is a classical tool in signal processing and communications. It also plays a critical role in X-ray crystallography, in the context of phase retrieval. In t...
ISSAC
2007
Springer
14 years 1 months ago
2007
Springer
Consider a rational matrix, particularly one whose entries have large numerators and denominators, but which is presented as a product of very sparse matrices with relatively smal...