921 search results - page 30 / 185 » Abstract Matrix Arithmetic |
IPM
2006
14 years 9 months ago
2006
A methodology for automatically identifying and clustering semantic features or topics in a heterogeneous text collection is presented. Textual data is encoded using a low rank no...
EUROPAR
2008
Springer
14 years 11 months ago
2008
Springer
Abstract. We present parallel algorithms for triangular periodic Sylvester-type matrix equations, conceptually being the third step of a periodic Bartels
IANDC
2000
14 years 9 months ago
2000
Abstract. We present a uniform algorithm for transforming machine-found matrix proofs in classical, constructive, and modal logics into sequent proofs. It is based on unified repre...
SIAMMAX
2010
14 years 4 months ago
2010
Abstract. We discuss the notion of irreducible block Schur decomposition of a complex square matrix and show how such a decomposition provides information about singularities in th...
COCOON
2003
Springer
15 years 3 months ago
2003
Springer
Abstract. We show that finding roots of Boolean matrices is an NPhard problem. This answers a twenty year old question from semigroup theory. Interpreting Boolean matrices as dire...