A conjecture on a class of matrices
José Luis Palacios (1986)
Časopis pro pěstování matematiky
Similarity:
José Luis Palacios (1986)
Časopis pro pěstování matematiky
Similarity:
Sivasubramanian, Sivaramakrishnan (2010)
The Electronic Journal of Combinatorics [electronic only]
Similarity:
Wang, Jonathan (2010)
The Electronic Journal of Combinatorics [electronic only]
Similarity:
Xiao-Dong Zhang, Chang-Xing Ding (2009)
Czechoslovak Mathematical Journal
Similarity:
In this paper, necessary and sufficient conditions for equality in the inequalities of Oppenheim and Schur for positive semidefinite matrices are investigated.
Yurij Alekseevich Mitropol'ski, V. L. Kulik (1986)
Časopis pro pěstování matematiky
Similarity:
Bronisław Ceranka, Maria Kozłowska (1991)
Applicationes Mathematicae
Similarity:
Hong-Hai Li, Li Su, Jing Zhang (2014)
Discussiones Mathematicae Graph Theory
Similarity:
In this note, we show how the determinant of the q-distance matrix Dq(T) of a weighted directed graph G can be expressed in terms of the corresponding determinants for the blocks of G, and thus generalize the results obtained by Graham et al. [R.L. Graham, A.J. Hoffman and H. Hosoya, On the distance matrix of a directed graph, J. Graph Theory 1 (1977) 85-88]. Further, by means of the result, we determine the determinant of the q-distance matrix of the graph obtained from a connected...
Karpov, D.V., Pastor, A.V. (2000)
Zapiski Nauchnykh Seminarov POMI
Similarity: