Dominating properties of star complements.
Liu, Bolian, Rowlinson, Peter (2000)
Publications de l'Institut Mathématique. Nouvelle Série
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Liu, Bolian, Rowlinson, Peter (2000)
Publications de l'Institut Mathématique. Nouvelle Série
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Dragoš M. Cvetković (1991)
Publications de l'Institut Mathématique
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Kirkland, Steve (2009)
The Electronic Journal of Combinatorics [electronic only]
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Sander, Torsten (2008)
The Electronic Journal of Combinatorics [electronic only]
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Dragan Stevanović (2005)
Mathematica Bohemica
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We find all connected graphs in which any two distinct vertices have exactly two common neighbors, thus solving a problem by B. Zelinka.
Pati, Sukanta (2001)
ELA. The Electronic Journal of Linear Algebra [electronic only]
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Kinkar Ch. Das (2005)
Kragujevac Journal of Mathematics
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Mustapha Aouchiche, Pierre Hansen (2014)
Czechoslovak Mathematical Journal
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The distance Laplacian of a connected graph is defined by , where is the distance matrix of , and is the diagonal matrix whose main entries are the vertex transmissions in . The spectrum of is called the distance Laplacian spectrum of . In the present paper, we investigate some particular distance Laplacian eigenvalues. Among other results, we show that the complete graph is the unique graph with only two distinct distance Laplacian eigenvalues. We establish some properties...
Gutman, Ivan, Fuji, Zhang (1986)
Publications de l'Institut Mathématique. Nouvelle Série
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