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Polona Oblak
Polona Oblak
Associate Professor, Department of Computer and Information Science, University of Ljubljana
Verified email at fri.uni-lj.si
Title
Cited by
Cited by
Year
Invertible and nilpotent matrices over antirings
D Dolžan, P Oblak
Linear algebra and its applications 430 (1), 271-278, 2009
392009
The zero-divisor graphs of rings and semirings
D Dolžan, P Oblak
International Journal of Algebra and Computation 22 (04), 1250033, 2012
352012
Commuting graphs of matrices over semirings
D Dolžan, P Oblak
Linear algebra and its applications 435 (7), 1657-1665, 2011
352011
Extremal matrix centralizers
G Dolinar, A Guterman, B Kuzma, P Oblak
Linear Algebra and its Applications 438 (7), 2904-2910, 2013
272013
The upper bound for the index of nilpotency for a matrix commuting with a given nilpotent matrix
P Oblak
Linear and Multilinear Algebra 56 (6), 701-711, 2008
242008
On pairs of commuting nilpotent matrices
T Košir, P Oblak
Transformation Groups 14 (1), 175-182, 2009
202009
On maximal distances in a commuting graph
G Dolinar, B Kuzma, P Oblak
arXiv preprint arXiv:1009.5543, 2010
192010
On diameter of the commuting graph of a full matrix algebra over a finite field
D Dolžan, DK Bukovšek, B Kuzma, P Oblak
Finite Fields and Their Applications 37, 36-45, 2016
182016
Commuting graphs and extremal centralizers
G Dolinar, AÈ Guterman, B Kuzma, P Oblak
Ars mathematica contemporanea 7 (2), 453-459, 2014
182014
The total zero-divisor graph of a commutative ring
A Ðurić, S Jevđenić, P Oblak, N Stopar
Journal of Algebra and Its Applications 18 (10), 1950190, 2019
162019
A Nordhaus–Gaddum conjecture for the minimum number of distinct eigenvalues of a graph
RH Levene, P Oblak, H Šmigoc
Linear Algebra and its Applications 564, 236-263, 2019
162019
The total graphs of finite rings
D Dolžan, P Oblak
Communications in Algebra 43 (7), 2903-2911, 2015
142015
Idempotent matrices over antirings
D Dolžan, P Oblak
Linear algebra and its applications 431 (5-7), 823-832, 2009
142009
On the nilpotent commutator of a nilpotent matrix
P Oblak
Linear and Multilinear Algebra 60 (5), 599-612, 2012
122012
Diameters of commuting graphs of matrices over semirings
D Dolžan, D Kokol Bukovšek, P Oblak
Semigroup Forum 84, 365-373, 2012
122012
Graphs that allow all the eigenvalue multiplicities to be even
P Oblak, H Šmigoc
Linear Algebra and its Applications 454, 72-90, 2014
92014
Jordan forms for mutually annihilating nilpotent pairs
P Oblak
Linear algebra and its applications 428 (7), 1476-1491, 2008
82008
Products of commuting nilpotent operators
D Bukovsek, T Košir, N Novak, P Oblak
The Electronic Journal of Linear Algebra 16, 237-247, 2007
82007
Sparse data embedding and prediction by tropical matrix factorization
A Omanović, H Kazan, P Oblak, T Curk
BMC bioinformatics 22, 1-18, 2021
72021
On the inverse eigenvalue problem for block graphs
JCH Lin, P Oblak, H Šmigoc
Linear Algebra and its Applications 631, 379-397, 2021
62021
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