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13. Qiao, Zhi, Koolen, Jack: A new characterization of the dual polar graphs. (English summary). - J. Combin. Theory Ser. B 135 (2019), 200-211Safet Penjić, 2020, review, book review, critique Keywords: Distance-regular graph, dual polar graph, Delsarte clique Published in RUP: 15.04.2020; Views: 1534; Downloads: 13 Link to full text |
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16. Mamart, Siwaporn: A group commutator involving the last distance matrix and dual distance matrix of a Q-polynomial distance-regular graph: the Hamming graph case. - Graphs Combin. 34 (2018), no. 4, 803--817Safet Penjić, 2018, review, book review, critique Keywords: distance-regular graph, Q-polynomial, distance matrix, dual distance matrix Published in RUP: 21.01.2019; Views: 1542; Downloads: 15 Link to full text |
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20. On maximal distances in a commuting graphGregor Dolinar, Bojan Kuzma, Polona Oblak, 2012, original scientific article Abstract: It is shown that matrices over algebraically closed fields that are farthest apart in the commuting graph must be non-derogatory. Rank-one matrices and diagonalizable matrices are also characterized in terms of the commuting graph. Keywords: matematika, linearna algebra, teorija grafov, komutirajoči grafi, matrična algebra, algebraično zaprt obseg, centralizator, razdalja v grafih, mathematics, linear algebra, graph theory, commuting graph, matrix algebra, algebraically closed field, centralizer, distance in graphs Published in RUP: 03.04.2017; Views: 2332; Downloads: 256 Link to full text |