## Šmigoc, Helena

Compute Distance To:
 Author ID: smigoc.helena Published as: Šmigoc, Helena; Smigoc, Helena External Links: MGP
 Documents Indexed: 37 Publications since 2004 1 Contribution as Editor Co-Authors: 20 Co-Authors with 35 Joint Publications 782 Co-Co-Authors
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### Co-Authors

 3 single-authored 20 Laffey, Thomas J. 5 Oblak, Polona 3 Ellard, Richard 2 Borobia, Alberto 2 Canogar, Roberto 2 Johnson, Charles Royal 2 Kirkland, Stephen J. 2 Lin, Jephian Chin-Hung 2 Loewy, Raphael 2 Markova, Olga V. 1 Cutajar, Stefan 1 Cvetković, Ljiljana 1 Frommer, Andreas 1 Guterman, Alexander Èmilevich 1 Hwang, Suk-Geun 1 Kokol-Bukovšek, Damjana 1 Levene, Rupert Howard 1 O’Hagan, Adrian 1 Yang, Dian 1 Zhang, Fuzhen
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### Serials

 23 Linear Algebra and its Applications 3 Linear and Multilinear Algebra 2 SIAM Journal on Matrix Analysis and Applications 2 Pure and Applied Functional Analysis 1 Journal of Mathematical Analysis and Applications 1 Mathematische Annalen 1 Irish Mathematical Society Bulletin 1 ELA. The Electronic Journal of Linear Algebra 1 North American Actuarial Journal 1 Proyecciones 1 Special Matrices
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### Fields

 36 Linear and multilinear algebra; matrix theory (15-XX) 6 Combinatorics (05-XX) 2 General and overarching topics; collections (00-XX) 2 Commutative algebra (13-XX) 2 Associative rings and algebras (16-XX) 2 Functions of a complex variable (30-XX) 2 Numerical analysis (65-XX) 1 Real functions (26-XX) 1 Dynamical systems and ergodic theory (37-XX) 1 Operator theory (47-XX) 1 Probability theory and stochastic processes (60-XX) 1 Operations research, mathematical programming (90-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX)

### Citations contained in zbMATH Open

22 Publications have been cited 171 times in 109 Documents Cited by Year
The inverse eigenvalue problem for nonnegative matrices. Zbl 1075.15012
Šmigoc, Helena
2004
Nonnegative realization of spectra having negative real parts. Zbl 1103.15005
Laffey, Thomas J.; Šmigoc, Helena
2006
Construction of nonnegative symmetric matrices with given spectrum. Zbl 1116.15012
Laffey, Thomas J.; Šmigoc, Helena
2007
A resolution of Paz’s conjecture in the presence of a nonderogatory matrix. Zbl 1382.15027
Guterman, Alexander; Laffey, Thomas; Markova, Olga; Šmigoc, Helena
2018
Construction of nonnegative matrices and the inverse eigenvalue problem. Zbl 1080.15007
Šmigoc, Helena
2005
Connecting sufficient conditions for the symmetric nonnegative inverse eigenvalue problem. Zbl 1334.15028
Ellard, Richard; Šmigoc, Helena
2016
Tensor conditions for the existence of a common solution to the Lyapunov equation. Zbl 1162.15007
Laffey, Thomas J.; Šmigoc, Helena
2007
On a classic example in the nonnegative inverse eigenvalue problem. Zbl 1149.15008
Laffey, Thomas J.; Šmigoc, Helena
2008
Common Lyapunov solutions for two matrices whose difference has rank one. Zbl 1170.15006
Laffey, Thomas J.; Šmigoc, Helena
2009
Nonnegatively realizable spectra with two positive eigenvalues. Zbl 1205.15019
Laffey, Thomas J.; Šmigoc, Helena
2010
Power series with positive coefficients arising from the characteristic polynomials of positive matrices. Zbl 1345.15011
Laffey, Thomas J.; Loewy, Raphael; Šmigoc, Helena
2016
Nonnegative matrices that are similar to positive matrices. Zbl 1190.15036
Laffey, Thomas J.; Loewy, Raphael; Šmigoc, Helena
2009
Constructing new realisable lists from old in the NIEP. Zbl 1290.15006
Ellard, Richard; Šmigoc, Helena
2014
Graphs that allow all the eigenvalue multiplicities to be even. Zbl 1288.05165
Oblak, Polona; Šmigoc, Helena
2014
The effect of assuming the identity as a generator on the length of the matrix algebra. Zbl 1334.15051
Laffey, Thomas; Markova, Olga; Šmigoc, Helena
2016
A Nordhaus-Gaddum conjecture for the minimum number of distinct eigenvalues of a graph. Zbl 1405.05103
Levene, Rupert H.; Oblak, Polona; Šmigoc, Helena
2019
Common solution to the Lyapunov equation for $$2 \times 2$$ complex matrices. Zbl 1158.15303
Laffey, Thomas J.; Šmigoc, Helena
2007
A matrix completion problem over integral domains: the case with $$2n-3$$ prescribed entries. Zbl 1197.15018
Borobia, Alberto; Canogar, Roberto; Šmigoc, Helena
2010
The maximum of the minimal multiplicity of eigenvalues of symmetric matrices whose pattern is constrained by a graph. Zbl 1348.05127
Oblak, Polona; Šmigoc, Helena
2017
The strong spectral property for graphs. Zbl 1437.05144
Lin, Jephian C.-H.; Oblak, Polona; Šmigoc, Helena
2020
The Karpelevič region revisited. Zbl 1445.15022
Kirkland, Stephen; Laffey, Thomas; Šmigoc, Helena
2020
Integer completely positive matrices of order two. Zbl 1474.15082
Laffey, Thomas J.; Šmigoc, Helena
2018
The strong spectral property for graphs. Zbl 1437.05144
Lin, Jephian C.-H.; Oblak, Polona; Šmigoc, Helena
2020
The Karpelevič region revisited. Zbl 1445.15022
Kirkland, Stephen; Laffey, Thomas; Šmigoc, Helena
2020
A Nordhaus-Gaddum conjecture for the minimum number of distinct eigenvalues of a graph. Zbl 1405.05103
Levene, Rupert H.; Oblak, Polona; Šmigoc, Helena
2019
A resolution of Paz’s conjecture in the presence of a nonderogatory matrix. Zbl 1382.15027
Guterman, Alexander; Laffey, Thomas; Markova, Olga; Šmigoc, Helena
2018
Integer completely positive matrices of order two. Zbl 1474.15082
Laffey, Thomas J.; Šmigoc, Helena
2018
The maximum of the minimal multiplicity of eigenvalues of symmetric matrices whose pattern is constrained by a graph. Zbl 1348.05127
Oblak, Polona; Šmigoc, Helena
2017
Connecting sufficient conditions for the symmetric nonnegative inverse eigenvalue problem. Zbl 1334.15028
Ellard, Richard; Šmigoc, Helena
2016
Power series with positive coefficients arising from the characteristic polynomials of positive matrices. Zbl 1345.15011
Laffey, Thomas J.; Loewy, Raphael; Šmigoc, Helena
2016
The effect of assuming the identity as a generator on the length of the matrix algebra. Zbl 1334.15051
Laffey, Thomas; Markova, Olga; Šmigoc, Helena
2016
Constructing new realisable lists from old in the NIEP. Zbl 1290.15006
Ellard, Richard; Šmigoc, Helena
2014
Graphs that allow all the eigenvalue multiplicities to be even. Zbl 1288.05165
Oblak, Polona; Šmigoc, Helena
2014
Nonnegatively realizable spectra with two positive eigenvalues. Zbl 1205.15019
Laffey, Thomas J.; Šmigoc, Helena
2010
A matrix completion problem over integral domains: the case with $$2n-3$$ prescribed entries. Zbl 1197.15018
Borobia, Alberto; Canogar, Roberto; Šmigoc, Helena
2010
Common Lyapunov solutions for two matrices whose difference has rank one. Zbl 1170.15006
Laffey, Thomas J.; Šmigoc, Helena
2009
Nonnegative matrices that are similar to positive matrices. Zbl 1190.15036
Laffey, Thomas J.; Loewy, Raphael; Šmigoc, Helena
2009
On a classic example in the nonnegative inverse eigenvalue problem. Zbl 1149.15008
Laffey, Thomas J.; Šmigoc, Helena
2008
Construction of nonnegative symmetric matrices with given spectrum. Zbl 1116.15012
Laffey, Thomas J.; Šmigoc, Helena
2007
Tensor conditions for the existence of a common solution to the Lyapunov equation. Zbl 1162.15007
Laffey, Thomas J.; Šmigoc, Helena
2007
Common solution to the Lyapunov equation for $$2 \times 2$$ complex matrices. Zbl 1158.15303
Laffey, Thomas J.; Šmigoc, Helena
2007
Nonnegative realization of spectra having negative real parts. Zbl 1103.15005
Laffey, Thomas J.; Šmigoc, Helena
2006
Construction of nonnegative matrices and the inverse eigenvalue problem. Zbl 1080.15007
Šmigoc, Helena
2005
The inverse eigenvalue problem for nonnegative matrices. Zbl 1075.15012
Šmigoc, Helena
2004
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### Cited by 114 Authors

 22 Soto, Ricardo Lorenzo 17 Šmigoc, Helena 11 Markova, Olga V. 9 Julio, Ana I. 9 Laffey, Thomas J. 8 Marijuán, Carlos 7 Pisonero, Miriam 6 Guterman, Alexander Èmilevich 5 Manzaneda, Cristina B. 5 Oblak, Polona 4 Andrade, Enide 4 Borobia, Alberto 4 Canogar, Roberto 4 Johnson, Charles Royal 4 Kolegov, N. A. 4 Robbiano, María 3 Collao, Macarena A. 3 Fallat, Shaun M. 3 Lin, Jephian Chin-Hung 3 Longstaff, William Ellison 3 Nazari, Ali Mohamad 3 Salas, Mario 2 Adm, Mohammad 2 Arrieta, Luis E. 2 Cronin, Anthony G. 2 Díaz, Roberto C. 2 Ellard, Richard 2 Gumus, Mehmet 2 Jaklič, Gašper 2 Kohaupt, Ludwig G. 2 Kudryavtsev, Dmitry K. 2 Lam, James 2 Loewy, Raphael 2 Meagher, Karen 2 Modic, Jolanda 2 Nasserasr, Shahla 2 Nina, Hans 2 Ordóñez-Hurtado, Rodrigo Hernán 2 Paparella, Pietro 2 Plosker, Sarah 2 Rojo, Oscar L. 2 Xu, Jianhong 2 Yang, Boting 1 Aharonov, Dov 1 Alfaro, Jaime H. 1 Azhmyakov, Vadim 1 Bai, Zhengjian 1 Benvenuti, Luca 1 Bonilla, Moisés E. 1 Boyle, Mike 1 Corona, Daniele 1 Dai, Hua 1 Duarte-Mermoud, Manuel Armando 1 Dutour-Sikiric, Mathieu 1 Feng, Jun’e 1 Giua, Alessandro 1 Góra, Michał 1 Grosjean, Nicolas 1 Gu, Tongxiang 1 Hogben, Leslie 1 Hoover, Sarah L. 1 Huillet, Thierry E. 1 Hwang, Jin Ok 1 Jin, Xiaoqing 1 Kamenetskij, V. A. 1 Khare, Swanand R. 1 Khrystik, Michael A. 1 Kim, Donggyun 1 King, Christopher K. 1 Kirkland, Stephen J. 1 Kouhi, Yashar 1 Lee, Tong Heng 1 Levene, Rupert Howard 1 Li, Zhao 1 Lin, Matthew M. 1 Linares, Yankis R. 1 Liu, Dali 1 Liu, Xingping 1 Liu, Xingwen 1 Maher, S. Kamali 1 Malabre, Michel 1 Martínez López, Consuelo 1 Matcovschi, Mihaela-Hanako 1 McCormick, Daniel A. 1 Mehrmann, Volker 1 Mielczarek, Dominik 1 Millano, Alfredo D. 1 Mojallal, Seyed Ahmad 1 Moro, Julio 1 Moulay, Emmanuel 1 Mourad, Bassam 1 Novochadov, D. Yu. 1 Olesky, D. Dale 1 Pastén, Germain 1 Pastravanu, Octavian C. 1 Rakshit, Suman 1 Rodrigues, Rodrigo Lucas 1 Schmieding, Scott 1 Schürmann, Achill 1 Seatzu, Carla ...and 14 more Authors
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### Cited in 28 Serials

 51 Linear Algebra and its Applications 8 Linear and Multilinear Algebra 7 Journal of Mathematical Sciences (New York) 5 Special Matrices 4 Bulletin of the Australian Mathematical Society 4 ELA. The Electronic Journal of Linear Algebra 3 Journal of Computational and Applied Mathematics 2 Communications in Algebra 2 International Journal of Control 2 Automatica 2 Journal of Applied Mathematics and Computing 2 Nonlinear Analysis. Hybrid Systems 1 International Journal of General Systems 1 International Journal of Systems Science 1 Applied Mathematics and Computation 1 Journal of Algebra 1 Journal of Pure and Applied Algebra 1 Mathematische Annalen 1 Numerische Mathematik 1 Proceedings of the American Mathematical Society 1 Applied Mathematical Modelling 1 Automation and Remote Control 1 Mathematical Programming. Series A. Series B 1 Central European Journal of Mathematics 1 Complex Analysis and Operator Theory 1 Algebra & Number Theory 1 Mathematical Sciences 1 Journal of Linear and Topological Algebra
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### Cited in 21 Fields

 91 Linear and multilinear algebra; matrix theory (15-XX) 13 Numerical analysis (65-XX) 12 Systems theory; control (93-XX) 10 Combinatorics (05-XX) 9 Associative rings and algebras (16-XX) 5 Dynamical systems and ergodic theory (37-XX) 4 Nonassociative rings and algebras (17-XX) 4 Ordinary differential equations (34-XX) 3 Operator theory (47-XX) 2 Number theory (11-XX) 2 Group theory and generalizations (20-XX) 2 Operations research, mathematical programming (90-XX) 1 Commutative algebra (13-XX) 1 Functions of a complex variable (30-XX) 1 Calculus of variations and optimal control; optimization (49-XX) 1 Convex and discrete geometry (52-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Probability theory and stochastic processes (60-XX) 1 Mechanics of deformable solids (74-XX) 1 Biology and other natural sciences (92-XX) 1 Information and communication theory, circuits (94-XX)