An algorithm for determining if the inverse of a strictly diagonally dominant Stieltjes matrix is strictly ultrametric.
Varga, Richard S. ; Nabben, Reinhard
Numerische Mathematik, Tome 66 (1993), p. 493-502 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1993-01-01
EUDML-ID : urn:eudml:doc:133747 
@article{GDZPPN001186892,
     title = {An algorithm for determining if the inverse of a strictly diagonally dominant Stieltjes matrix is strictly ultrametric.},
     journal = {Numerische Mathematik},
     volume = {66},
     year = {1993},
     pages = {493-502},
     zbl = {0796.65029},
     url = {http://dml.mathdoc.fr/item/GDZPPN001186892}
}

Varga, Richard S.; Nabben, Reinhard. An algorithm for determining if the inverse of a strictly diagonally dominant Stieltjes matrix is strictly ultrametric.. Numerische Mathematik, Tome 66 (1993) pp. 493-502. http://gdmltest.u-ga.fr/item/GDZPPN001186892/