921 search results - page 30 / 185 » Abstract Matrix Arithmetic |
IPM
2006
13 years 7 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
13 years 9 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
13 years 7 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
13 years 2 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
14 years 25 days 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...