Some inequalities of perturbed trapezoid type.
Generalizations of some new Čebyšev type inequalities.
A unified treatment of some sharp inequalities.
A sharp inequality of Ostrowski-Grüss type.
More on inequalities of Simpson type.
Note on inequalities involving integral Taylor's remainder.
Some inequalities of Ostrowski type and applications.
Some companions of an Ostrowski type inequality and applications.
Some sharp Simpson type inequalities and applications.
The Laplacian spectrum of some digraphs obtained from the wheel
The problem of distinguishing, in terms of graph topology, digraphs with real and partially non-real Laplacian spectra is important for applications. Motivated by the question posed in [R. Agaev, P. Chebotarev, Which digraphs with rings structure are essentially cyclic?, Adv. in Appl. Math. 45 (2010), 232-251], in this paper we completely list the Laplacian eigenvalues of some digraphs obtained from the wheel digraph by deleting some arcs.
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