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Network tomography.

Berenstein, Carlos A., Gavilánez, Franklin (2007)

Revista Colombiana de Matemáticas

Note on a Lovász's result

Dănuţ Marcu (1997)

Mathematica Bohemica

In this paper, we give a generalization of a result of Lovasz from [2].

Note on graphs colouring

Dănuţ Marcu (1992)

Mathematica Bohemica

In this paper, we show that the maximal number of minimal colourings of a graph with n vertices and the chromatic number k is equal to k n - k , and the single graph for which this bound is attained consists of a k -clique and n - k isolated vertices.

Note on k -chromatic graphs

Dănuţ Marcu (1994)

Mathematica Bohemica

In this paper we characterize k -chromatic graphs without isolated vertices and connected k -chromatic graphs having a minimal number of edges.

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