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Št. zadetkov: 2
ǂThe ǂstrong spectral property for some families of unicyclic graphs
Sara Koljančić, Polona Oblak
Izvirni znanstveni članek
Oznake: simetrična matrika;krepka spektralna lastnost;inverzni problem lastnih vrednosti;symmetric matrix;strong spectral property;inverse eigenvalue problem;
To find all the possible spectra of all real symmetric matrices whose off-diagonal pattern is prescribed by the adjacencies of a given graph G, the Strong Spectral Property turns out to be of crucial importance. In particular, we investigate the set $\mathcal{G}$$^{SSP}$ of all simple graphs G with ...
Leto: 2027 Vir: Fakulteta za računalništvo in informatiko (UL FRI)
Jordan structures of nilpotent matrices in the centralizer of a nilpotent matrix with two Jordan blocks of the same size
Duško Bogdanić, Alen Ðurić, Sara Koljančić, Polona Oblak, Klemen Šivic
Izvirni znanstveni članek
Oznake: nilpotentna matrika;centralizator;nilpotentna orbita;nilpotent matrix;centralizer;nilpotent orbit;
In this paper we characterize all nilpotent orbits under the action by conjugation that intersect the nilpotent centralizer of a nilpotent matrix B consisting of two Jordan blocks of the same size. We list all the possible Jordan canonical forms of the nilpotent matrices that commute with B by chara ...
Leto: 2024 Vir: Repozitorij Univerze v Ljubljani (RUL)
Št. zadetkov: 2
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