99 search results - page 1 / 20 » On a class of finite symmetric graphs |
110
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EJC
2008
14 years 11 months ago
2008
Let be a G-symmetric graph, and let B be a nontrivial G-invariant partition of the vertex set of . This paper aims to characterize (, G) under the conditions that the quotient gr...
88
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CORR
2004
Springer
15 years 11 days ago
2004
Springer
We consider linear systems arising from the use of the finite element method for solving a certain class of linear elliptic problems. Our main result is that these linear systems, ...
77
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JGT
2007
15 years 12 days ago
2007
87
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DM
2006
15 years 16 days ago
2006
This paper shows that the number of sign patterns of totally non-zero symmetric n-by-n matrices, up to conjugation by monomial matrices and negation, is equal to the number of unl...
78
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EJC
2002
15 years 10 days ago
2002