Geodesic
The possible numbers of zeros in an orthogonal matrix
The electronic journal of linear algebra, Tome 5 (1999), pp. 19-23.

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: It is shown that for n * 2 there is an n $\Theta n$ indecomposable orthogonal matrix with exactly k entries equal to zero if and only if 0 ^ k ^ (n $\Gamma 2$) 2 .
Classification : 15A57, 05C50
Keywords: orthogonal matrix, indecomposable matrix, zero-nonzero pattern AMS subject 
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     author = {Cheon, G.-S. and Johnson, C.R. and Lee, S.-G. and Pribble, E.J.},
     title = {The possible numbers of zeros in an orthogonal matrix},
     journal = {The electronic journal of linear algebra},
     pages = {19--23},
     publisher = {mathdoc},
     volume = {5},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_1999__5__a5/}
}
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Cheon, G.-S.; Johnson, C.R.; Lee, S.-G.; Pribble, E.J. The possible numbers of zeros in an orthogonal matrix. The electronic journal of linear algebra, Tome 5 (1999), pp. 19-23. http://geodesic.mathdoc.fr/item/ELA_1999__5__a5/