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Št. zadetkov: 3
Complete resolution of the circulant nut graph order-degree existence problem
Ivan Damnjanović
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Leto: 2024 Vir: Repozitorij Univerze na Primorskem (RUP)
On cubic polycirculant nut graphs
Nino Bašić, Ivan Damnjanović
Izvirni znanstveni članek
Oznake: nut graph;polycirculant graph;cubic graph;pregraph;voltage graph;
A nut graph is a nontrivial simple graph whose adjacency matrix contains a one-dimensional null space spanned by a vector without zero entries. Moreover, an $\ell$-circulant graph is a graph that admits a cyclic group of automorphisms having $\ell$ vertex orbits of equal size. It is not difficult to ...
Leto: 2025 Vir: Fakulteta za matematiko, naravoslovje in informacijske tehnologije Koper (UP FAMNIT)
Classification of cubic tricirculant nut graphs
Ivan Damnjanović, Nino Bašić, Tomaž Pisanski, Arjana Žitnik
Izvirni znanstveni članek
Oznake: bicirkulant;tricirkulant;lastna vrednost;bicirculant;tricirculant;eigenvalue;
A nut graph is a simple graph whose adjacency matrix has the eigenvalue zero with multiplicity one such that its corresponding eigenvector has no zero entries. It is known that there exist no cubic circulant nut graphs. A bicirculant (resp. tricirculant) graph is defined as a graph that admits a cyc ...
Leto: 2024 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Št. zadetkov: 3
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