Geodesic
An algorithm for determining if the inverse of a strictly diagonally dominant Stieltjes matrix is strictly ultrametric.
Numerische Mathematik, Tome 65 (1993) no. 4, pp. 493-502.

Voir la notice de l'article provenant de la source European Digital Mathematics Library

Mots-clés : algorithm, Stieltjes matrix, ultrametric inverse 
@article{NUMA_1993__65_4_133747,
     author = {Richard S. Varga and Reinhard Nabben},
     title = {An algorithm for determining if the inverse of a strictly diagonally dominant {Stieltjes} matrix is strictly ultrametric.},
     journal = {Numerische Mathematik},
     pages = {493--502},
     publisher = {mathdoc},
     volume = {65},
     number = {4},
     year = {1993},
     zbl = {0796.65029},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1993__65_4_133747/}
}
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Richard S. Varga; Reinhard Nabben. An algorithm for determining if the inverse of a strictly diagonally dominant Stieltjes matrix is strictly ultrametric.. Numerische Mathematik, Tome 65 (1993) no. 4, pp. 493-502. http://geodesic.mathdoc.fr/item/NUMA_1993__65_4_133747/