Geodesic
Norm bounds for the inverse for generalized Nekrasov matrices in point-wise and block case
Filomat, Tome 35 (2021) no. 8, p. 2705

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DOI

Lower-semi-Nekrasov matrices represent a generalization of Nekrasov matrices. For the inverse of lower-semi-Nekrasov matrices, a max-norm bound is proposed. Numerical examples are given to illustrate that new norm bound can give tighter results compared to already known bounds when applied to Nekrasov matrices. Also, we presented new max-norm bounds for the inverse of lower-semi-Nekrasov matrices in the block case. We considered two types of block generalizations and illustrated the results with numerical examples
DOI : 10.2298/FIL2108705N
Classification : 15A18, 15B99
Keywords: Semi-Nekrasov matrices, Block matrices, Maximum norm bounds 
M Nedović. Norm bounds for the inverse for generalized Nekrasov matrices in point-wise and block case. Filomat, Tome 35 (2021) no. 8, p. 2705 . doi: 10.2298/FIL2108705N
@article{10_2298_FIL2108705N,
     author = {M Nedovi\'c},
     title = {Norm bounds for the inverse for generalized {Nekrasov} matrices in point-wise and block case},
     journal = {Filomat},
     pages = {2705 },
     year = {2021},
     volume = {35},
     number = {8},
     doi = {10.2298/FIL2108705N},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2108705N/}
}
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