THE GROUP INVERSE OF A TRIANGULAR-MATRIX

Authors
CHEN XZ HARTWIG RE
Citation
Xz. Chen et Re. Hartwig, THE GROUP INVERSE OF A TRIANGULAR-MATRIX, Linear algebra and its applications, 237, 1996, pp. 97-108
Citations number
7
Categorie Soggetti
Mathematics,Mathematics
Journal title
Linear algebra and its applications → ACNP
ISSN journal
00243795
Volume
237
Year of publication
1996
Pages
97 - 108
Database
ISI
SICI code
0024-3795(1996)237:<97:TGIOAT>2.0.ZU;2-G
Abstract
Block conditions are given for the group inverse of a triangular matri x over a field to exist. These involve the zero-nonzero Schur compleme nt. applications are given to idempotent matrices.