Edit Profile (opens in new tab) Šmigoc, Helena Compute Distance To: Compute 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 all top 5 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 all top 5 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 all top 5 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) Publications by Year all cited Publications top 5 cited Publications 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 1075.15012Šmigoc, Helena 33 2004 Nonnegative realization of spectra having negative real parts. Zbl 1103.15005Laffey, Thomas J.; Šmigoc, Helena 21 2006 Construction of nonnegative symmetric matrices with given spectrum. Zbl 1116.15012Laffey, Thomas J.; Šmigoc, Helena 18 2007 A resolution of Paz’s conjecture in the presence of a nonderogatory matrix. Zbl 1382.15027Guterman, Alexander; Laffey, Thomas; Markova, Olga; Šmigoc, Helena 16 2018 Construction of nonnegative matrices and the inverse eigenvalue problem. Zbl 1080.15007Šmigoc, Helena 13 2005 Connecting sufficient conditions for the symmetric nonnegative inverse eigenvalue problem. Zbl 1334.15028Ellard, Richard; Šmigoc, Helena 11 2016 Tensor conditions for the existence of a common solution to the Lyapunov equation. Zbl 1162.15007Laffey, Thomas J.; Šmigoc, Helena 6 2007 On a classic example in the nonnegative inverse eigenvalue problem. Zbl 1149.15008Laffey, Thomas J.; Šmigoc, Helena 6 2008 Common Lyapunov solutions for two matrices whose difference has rank one. Zbl 1170.15006Laffey, Thomas J.; Šmigoc, Helena 6 2009 Nonnegatively realizable spectra with two positive eigenvalues. Zbl 1205.15019Laffey, Thomas J.; Šmigoc, Helena 6 2010 Power series with positive coefficients arising from the characteristic polynomials of positive matrices. Zbl 1345.15011Laffey, Thomas J.; Loewy, Raphael; Šmigoc, Helena 5 2016 Nonnegative matrices that are similar to positive matrices. Zbl 1190.15036Laffey, Thomas J.; Loewy, Raphael; Šmigoc, Helena 4 2009 Constructing new realisable lists from old in the NIEP. Zbl 1290.15006Ellard, Richard; Šmigoc, Helena 4 2014 Graphs that allow all the eigenvalue multiplicities to be even. Zbl 1288.05165Oblak, Polona; Šmigoc, Helena 4 2014 The effect of assuming the identity as a generator on the length of the matrix algebra. Zbl 1334.15051Laffey, Thomas; Markova, Olga; Šmigoc, Helena 4 2016 A Nordhaus-Gaddum conjecture for the minimum number of distinct eigenvalues of a graph. Zbl 1405.05103Levene, Rupert H.; Oblak, Polona; Šmigoc, Helena 4 2019 Common solution to the Lyapunov equation for \(2 \times 2\) complex matrices. Zbl 1158.15303Laffey, Thomas J.; Šmigoc, Helena 3 2007 A matrix completion problem over integral domains: the case with \(2n-3\) prescribed entries. Zbl 1197.15018Borobia, Alberto; Canogar, Roberto; Šmigoc, Helena 2 2010 The maximum of the minimal multiplicity of eigenvalues of symmetric matrices whose pattern is constrained by a graph. Zbl 1348.05127Oblak, Polona; Šmigoc, Helena 2 2017 The strong spectral property for graphs. Zbl 1437.05144Lin, Jephian C.-H.; Oblak, Polona; Šmigoc, Helena 1 2020 The Karpelevič region revisited. Zbl 1445.15022Kirkland, Stephen; Laffey, Thomas; Šmigoc, Helena 1 2020 Integer completely positive matrices of order two. Zbl 1474.15082Laffey, Thomas J.; Šmigoc, Helena 1 2018 The strong spectral property for graphs. Zbl 1437.05144Lin, Jephian C.-H.; Oblak, Polona; Šmigoc, Helena 1 2020 The Karpelevič region revisited. Zbl 1445.15022Kirkland, Stephen; Laffey, Thomas; Šmigoc, Helena 1 2020 A Nordhaus-Gaddum conjecture for the minimum number of distinct eigenvalues of a graph. Zbl 1405.05103Levene, Rupert H.; Oblak, Polona; Šmigoc, Helena 4 2019 A resolution of Paz’s conjecture in the presence of a nonderogatory matrix. Zbl 1382.15027Guterman, Alexander; Laffey, Thomas; Markova, Olga; Šmigoc, Helena 16 2018 Integer completely positive matrices of order two. Zbl 1474.15082Laffey, Thomas J.; Šmigoc, Helena 1 2018 The maximum of the minimal multiplicity of eigenvalues of symmetric matrices whose pattern is constrained by a graph. Zbl 1348.05127Oblak, Polona; Šmigoc, Helena 2 2017 Connecting sufficient conditions for the symmetric nonnegative inverse eigenvalue problem. Zbl 1334.15028Ellard, Richard; Šmigoc, Helena 11 2016 Power series with positive coefficients arising from the characteristic polynomials of positive matrices. Zbl 1345.15011Laffey, Thomas J.; Loewy, Raphael; Šmigoc, Helena 5 2016 The effect of assuming the identity as a generator on the length of the matrix algebra. Zbl 1334.15051Laffey, Thomas; Markova, Olga; Šmigoc, Helena 4 2016 Constructing new realisable lists from old in the NIEP. Zbl 1290.15006Ellard, Richard; Šmigoc, Helena 4 2014 Graphs that allow all the eigenvalue multiplicities to be even. Zbl 1288.05165Oblak, Polona; Šmigoc, Helena 4 2014 Nonnegatively realizable spectra with two positive eigenvalues. Zbl 1205.15019Laffey, Thomas J.; Šmigoc, Helena 6 2010 A matrix completion problem over integral domains: the case with \(2n-3\) prescribed entries. Zbl 1197.15018Borobia, Alberto; Canogar, Roberto; Šmigoc, Helena 2 2010 Common Lyapunov solutions for two matrices whose difference has rank one. Zbl 1170.15006Laffey, Thomas J.; Šmigoc, Helena 6 2009 Nonnegative matrices that are similar to positive matrices. Zbl 1190.15036Laffey, Thomas J.; Loewy, Raphael; Šmigoc, Helena 4 2009 On a classic example in the nonnegative inverse eigenvalue problem. Zbl 1149.15008Laffey, Thomas J.; Šmigoc, Helena 6 2008 Construction of nonnegative symmetric matrices with given spectrum. Zbl 1116.15012Laffey, Thomas J.; Šmigoc, Helena 18 2007 Tensor conditions for the existence of a common solution to the Lyapunov equation. Zbl 1162.15007Laffey, Thomas J.; Šmigoc, Helena 6 2007 Common solution to the Lyapunov equation for \(2 \times 2\) complex matrices. Zbl 1158.15303Laffey, Thomas J.; Šmigoc, Helena 3 2007 Nonnegative realization of spectra having negative real parts. Zbl 1103.15005Laffey, Thomas J.; Šmigoc, Helena 21 2006 Construction of nonnegative matrices and the inverse eigenvalue problem. Zbl 1080.15007Šmigoc, Helena 13 2005 The inverse eigenvalue problem for nonnegative matrices. Zbl 1075.15012Šmigoc, Helena 33 2004 all cited Publications top 5 cited Publications all top 5 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 all top 5 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 all top 5 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) Citations by Year