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Hamming polynomials and their partial derivativesBrešar, Boštjan ...Hammingovi grafi so kartezični produkti polnih grafov, medtem ko so delni Hammingovi grafi njihovi izometrični podgrafi. V članku je vpeljan Hammingov polinom ▫$h(G)$▫ grafa ▫$G$▫ kot preštevalni ... polinom Hammingovih podgrafov. Vpeljani so tudi ▫$K_k$▫-odvodi ▫$\partial_kG(k\ge 2)$▫ delnih Hammingovih grafov. Dokazano je, da za delni Hammingov graf ▫$G$▫ velja ▫$\frac{\partial h(G)}{\partial x_k} = h(\partial_kG)$▫. Dokazanih je tudi nekaj kombinatoričnih identitet, ki se nanašajo na koeficiente Hammingovih polinomov Hammingovih grafov.Source: European journal of combinatorics = Journal européen de combinatoire = Europäische Zeitschrift für Kombinatorik. - ISSN 0195-6698 (Vol. 28, no. 4, 2007, str. 1156-1162)Type of material - article, component partPublish date - 2007Language - englishCOBISS.SI-ID - 14252633
Author
Brešar, Boštjan |
Dorbec, Paul |
Klavžar, Sandi |
Mollard, Michel
Topics
matematika |
teorija grafov |
Hammingov graf |
kombinatorične identitete |
mathematics |
graf theory |
Hamming graph |
combinatorial identities
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source: European journal of combinatorics = Journal européen de combinatoire = Europäische Zeitschrift für Kombinatorik. - ISSN 0195-6698 (Vol. 28, no. 4, 2007, str. 1156-1162)
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Database name | Field | Year |
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Brešar, Boštjan | 17005 |
Dorbec, Paul | ![]() |
Klavžar, Sandi | 05949 |
Mollard, Michel | ![]() |
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