Found 51 Documents (Results 1–51)
Bounds for the eccentricity spectral radius of join digraphs with a fixed dichromatic number. (English) Zbl 07919029
The complete classification of graphs whose second largest eigenvalue of the eccentricity matrix is less than 1. (English) Zbl 07904907
On the eccentric graph of trees. (English) Zbl 07893357
Graphs with large multiplicity of \(-2\) in the spectrum of the eccentricity matrix. (English) Zbl 1539.05076
Some properties on eccentricity matrices of uniform hypertrees. (English) Zbl 1542.05108
Reviewer: Fenglei Tian (Rizhao)
The minimum \(\varepsilon\)-spectral radius of \(t\)-clique trees with given diameter. (English) Zbl 07809348
On the eccentricity energy and eccentricity spectral radius of graphs with odd diameter. (English) Zbl 1531.05159
Reviewer: Shuchao Li (Wuhan)
An extended eigenvalue-free interval for the eccentricity matrix of threshold graphs. (English) Zbl 1509.05112
MSC:
05C50
New conjectures on algebraic connectivity and the Laplacian spread of graphs. (English) Zbl 1490.05154
Eccentricity energy change of complete multipartite graphs due to edge deletion. (English) Zbl 1479.05085
Characterizing the extremal graphs with respect to the eccentricity spectral radius, and beyond. (English) Zbl 1479.05214
Solutions for two conjectures on the eigenvalues of the eccentricity matrix, and beyond. (English) Zbl 1441.05150
The first two cacti with larger multiplicative eccentricity resistance-distance. (English) Zbl 1499.05186
A tight upper bound on the spectral radius of bottleneck matrices for graphs. (English) Zbl 1416.05176
MSC:
05C50
On the average eccentricity, the harmonic index and the largest signless Laplacian eigenvalue of a graph. (English) Zbl 1463.05083
From local adjacency polynomials to locally pseudo-distance-regular graphs. (English) Zbl 0888.05056
Reviewer: M.A.Fiol (Barcelona)
Expanding and forwarding. (English) Zbl 0820.05034
Reviewer: P.Reichensperger (Oberasbach)
On metric properties of chordal and Ptolemaic graphs. (English. Russian original) Zbl 0662.05037
Sov. Math., Dokl. 37, No. 3, 665-668 (1988); translation from Dokl. Akad. Nauk SSSR 300, No. 2, 296-299 (1988).
Reviewer: M.Koman
Accurate numerical approximations of eigenfrequencies and eigenfunctions of elliptic membranes. (English) Zbl 0626.73098
Shape effect on Morley’s element. (English) Zbl 0582.73066
MSC:
74S05
An efficient algorithm for finding a near-maximum eccentricity. (English) Zbl 0586.65033
Reviewer: S.Filippi
MSC:
65F30
05C50
On primitive graphs. (English) Zbl 0529.05029
Graphs and other combinatorial topics. Proc. 3rd Czech. Symp., Prague 1982, Teubner-Texte Math. 59, 242-248 (1983).
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