Results 11 to 20 of about 2,710,086 (272)
Distance spectral radius of trees with given matching number [PDF]
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Aleksandar Ilić
exaly +4 more sources
On the distance spectral radius of cacti [PDF]
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Bose, Surya Sekhar +2 more
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On graft transformations decreasing distance spectral radius of graphs [PDF]
The distance spectral radius of a connected graph is the largest eigenvalue of its distance matrix. In this paper, we give several less restricted graft transformations that decrease the distance spectral radius, and determine the unique graph with minimum distance spectral radius among home-omorphically irreducible unicylic graphs on n ≥ 6 vertices ...
Yanna Wang, Bo Zhou 0007
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The spectral radius and the distance spectral radius of complements of block graphs [PDF]
In this paper, we determine the graphs whose spectral radius and distance spectral radius attain maximum and minimum among all complements of clique trees. Furthermore, we also determine the graphs whose spectral radius and distance spectral radius attain minimum and maximum among all complements of block graphs, respectively.
Chen, Xu +3 more
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A proof of a conjecture on the distance spectral radius
A cactus is a connected graph in which any two cycles have at most one common vertex. We determine the unique graph that maximizes the distance spectral radius over all cacti with fixed numbers of vertices and cycles, and thus prove a conjecture on the distance spectral radius of cacti in [S.S. Bose, M. Nath, S. Paul, On the distance spectral radius of
Yanna Wang, Bo Zhou
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Distance spectral radius of series-reduced trees with parameters [PDF]
For a connected graph G, the distance matrix is a real-symmetric matrix where the (u, v)-entry is the distance between vertex u and vertex v in G. The distance spectral radius of G is the largest eigenvalue of the distance matrix of G. A series-reduced tree is a tree with at least one internal vertex and all internal vertices having degree at least ...
Yuyuan Deng +3 more
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Matching extension and distance spectral radius [PDF]
A graph is called $k$-extendable if each $k$-matching can be extended to a perfect matching. We give spectral conditions for the $k$-extendability of graphs and bipartite graphs using Tutte-type and Hall-type structural characterizations. Concretely, we give a sufficient condition in terms of the spectral radius of the distance matrix for the $k ...
Yuke Zhang, Edwin R. van Dam
core +5 more sources
Bounds for resistance-distance spectral radius
Lower and upper bounds as well as Nordhause-Gaddum-type results for the resistance-distance spectral radius are obtained.
Maden, A. Dilek Gungor +2 more
core +6 more sources
On the distance spectral radius of bipartite graphs [PDF]
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Nath, Milan, Paul, Somnath
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On the distance spectral radius of some graphs [PDF]
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Zhang, Xiaoling
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