## Found 24 Documents (Results 1–24)

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### Equivalent characterizations of the spectra of graphs and applications to measures of distance-regularity. (English)Zbl 1448.05127

MSC:  05C50 05C12 05E30
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### The spectral excess theorem for graphs with few eigenvalues whose distance-2 or distance-1-or-2 graph is strongly regular. (English)Zbl 1425.05091

MSC:  05C50 05E30 05C12
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### A spectral excess theorem for digraphs with normal Laplacian matrices. (English)Zbl 1463.05354

MSC:  05C50 05E30 05C20
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### Some spectral and quasi-spectral characterizations of distance-regular graphs. (English)Zbl 1342.05031

MSC:  05C12 05C50
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### The spectral excess theorem for distance-regular graphs having distance-$$d$$ graph with fewer distinct eigenvalues. (English)Zbl 1339.05090

MSC:  05C12 05C50
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### Spectrally extremal vertices, strong cospectrality, and state transfer. (English)Zbl 1333.05179

MSC:  05C50 05E30 81P68
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### The spectral excess theorem for distance-regular graphs having distance-$$d$$ graph with fewer distinct eigenvalues. (English)Zbl 1346.05163

Nešetril, Jaroslav (ed.) et al., Extended abstracts of the eight European conference on combinatorics, graph theory and applications, EuroComb 2015, Bergen, Norway, August 31 – September 4, 2015. Amsterdam: Elsevier. Electronic Notes in Discrete Mathematics 49, 457-463, electronic only (2015).
MSC:  05C50 05C12 05E30
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### A spectral equivalent condition of the $$P$$-polynomial property for association schemes. (English)Zbl 1300.05331

MSC:  05E30 05C50
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### On the local spectra of the subconstituents of a vertex set and completely pseudo-regular codes. (English)Zbl 1298.05197

MSC:  05C50 05C35
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### A characterization of bipartite distance-regular graphs. (English)Zbl 1292.05173

MSC:  05C50 05E30
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MSC:  05E30
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### Algebraic characterizations of regularity properties in bipartite graphs. (English)Zbl 1292.05273

Eur. J. Comb. 34, No. 8, 1223-1231 (2013); corrigendum ibid. 38, 130-132 (2014).
MSC:  05E30 05C50
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### On some approaches to the spectral excess theorem for nonregular graphs. (English)Zbl 1278.05089

MSC:  05C12 42C05
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### Edge-distance-regular graphs are distance-regular. (English)Zbl 1277.05050

MSC:  05C12 42C05
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### Dual concepts of almost distance-regularity and the spectral excess theorem. (English)Zbl 1245.05032

MSC:  05C12 05C50
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### A spectral excess theorem for nonregular graphs. (English)Zbl 1245.05087

MSC:  05C50 05C12
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### An excess theorem for spherical 2-designs. (English)Zbl 1245.05137

MSC:  05E30 05B30 05C50
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### An odd characterization of the generalized odd graphs. (English)Zbl 1234.05157

MSC:  05C50 05C12
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### Edge-distance-regular graphs. (English)Zbl 1231.05083

MSC:  05C12 05C50 05E30
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### On almost distance-regular graphs. (English)Zbl 1225.05249

MSC:  05E30 05C12
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MSC:  05C12
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