28 search results - page 5 / 6 » Spectra of large block matrices |
ICCS
2001
Springer
13 years 10 months ago
2001
Springer
Abstract. Sparse matrix-vector multiplication is an important computational kernel that tends to perform poorly on modern processors, largely because of its high ratio of memory op...
ACNS
2010
Springer
13 years 9 months ago
2010
Springer
Abstract. Statistical Saturation Attacks have been introduced and applied to the block cipher PRESENT at CT-RSA 2009. In this paper, we consider their natural extensions. First, we...
LATIN
2010
Springer
14 years 25 days ago
2010
Springer
We consider the multiplication of a sparse N × N matrix A with a dense N × N matrix B in the I/O model. We determine the worst-case non-uniform complexity of this task up to a c...
EUROPAR
2003
Springer
13 years 11 months ago
2003
Springer
Abstract. This paper shows how a sparse hypermatrix Cholesky factorization can be improved. This is accomplished by means of efficient codes which operate on very small dense matri...
IPPS
2003
IEEE
13 years 11 months ago
2003
IEEE
The efficient solution of large systems of linear equations represented by sparse matrices appears in many tasks. LU factorization followed by backward and forward substitutions i...