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Author ID: smigoc.helena Recent zbMATH articles by "Šmigoc, Helena"
Published as: Šmigoc, Helena; Smigoc, Helena
External Links: MGP

Publications by Year

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
33
2004
Nonnegative realization of spectra having negative real parts. Zbl 1103.15005
Laffey, Thomas J.; Šmigoc, Helena
21
2006
Construction of nonnegative symmetric matrices with given spectrum. Zbl 1116.15012
Laffey, Thomas J.; Šmigoc, Helena
18
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
16
2018
Construction of nonnegative matrices and the inverse eigenvalue problem. Zbl 1080.15007
Šmigoc, Helena
13
2005
Connecting sufficient conditions for the symmetric nonnegative inverse eigenvalue problem. Zbl 1334.15028
Ellard, Richard; Šmigoc, Helena
11
2016
Tensor conditions for the existence of a common solution to the Lyapunov equation. Zbl 1162.15007
Laffey, Thomas J.; Šmigoc, Helena
6
2007
On a classic example in the nonnegative inverse eigenvalue problem. Zbl 1149.15008
Laffey, Thomas J.; Šmigoc, Helena
6
2008
Common Lyapunov solutions for two matrices whose difference has rank one. Zbl 1170.15006
Laffey, Thomas J.; Šmigoc, Helena
6
2009
Nonnegatively realizable spectra with two positive eigenvalues. Zbl 1205.15019
Laffey, Thomas J.; Šmigoc, Helena
6
2010
Power series with positive coefficients arising from the characteristic polynomials of positive matrices. Zbl 1345.15011
Laffey, Thomas J.; Loewy, Raphael; Šmigoc, Helena
5
2016
Nonnegative matrices that are similar to positive matrices. Zbl 1190.15036
Laffey, Thomas J.; Loewy, Raphael; Šmigoc, Helena
4
2009
Constructing new realisable lists from old in the NIEP. Zbl 1290.15006
Ellard, Richard; Šmigoc, Helena
4
2014
Graphs that allow all the eigenvalue multiplicities to be even. Zbl 1288.05165
Oblak, Polona; Šmigoc, Helena
4
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
4
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
4
2019
Common solution to the Lyapunov equation for \(2 \times 2\) complex matrices. Zbl 1158.15303
Laffey, Thomas J.; Šmigoc, Helena
3
2007
A matrix completion problem over integral domains: the case with \(2n-3\) prescribed entries. Zbl 1197.15018
Borobia, 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 1348.05127
Oblak, Polona; Šmigoc, Helena
2
2017
The strong spectral property for graphs. Zbl 1437.05144
Lin, Jephian C.-H.; Oblak, Polona; Šmigoc, Helena
1
2020
The Karpelevič region revisited. Zbl 1445.15022
Kirkland, Stephen; Laffey, Thomas; Šmigoc, Helena
1
2020
Integer completely positive matrices of order two. Zbl 1474.15082
Laffey, Thomas J.; Šmigoc, Helena
1
2018
The strong spectral property for graphs. Zbl 1437.05144
Lin, Jephian C.-H.; Oblak, Polona; Šmigoc, Helena
1
2020
The Karpelevič region revisited. Zbl 1445.15022
Kirkland, Stephen; Laffey, Thomas; Šmigoc, Helena
1
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
4
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
16
2018
Integer completely positive matrices of order two. Zbl 1474.15082
Laffey, 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 1348.05127
Oblak, Polona; Šmigoc, Helena
2
2017
Connecting sufficient conditions for the symmetric nonnegative inverse eigenvalue problem. Zbl 1334.15028
Ellard, Richard; Šmigoc, Helena
11
2016
Power series with positive coefficients arising from the characteristic polynomials of positive matrices. Zbl 1345.15011
Laffey, 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 1334.15051
Laffey, Thomas; Markova, Olga; Šmigoc, Helena
4
2016
Constructing new realisable lists from old in the NIEP. Zbl 1290.15006
Ellard, Richard; Šmigoc, Helena
4
2014
Graphs that allow all the eigenvalue multiplicities to be even. Zbl 1288.05165
Oblak, Polona; Šmigoc, Helena
4
2014
Nonnegatively realizable spectra with two positive eigenvalues. Zbl 1205.15019
Laffey, Thomas J.; Šmigoc, Helena
6
2010
A matrix completion problem over integral domains: the case with \(2n-3\) prescribed entries. Zbl 1197.15018
Borobia, Alberto; Canogar, Roberto; Šmigoc, Helena
2
2010
Common Lyapunov solutions for two matrices whose difference has rank one. Zbl 1170.15006
Laffey, Thomas J.; Šmigoc, Helena
6
2009
Nonnegative matrices that are similar to positive matrices. Zbl 1190.15036
Laffey, Thomas J.; Loewy, Raphael; Šmigoc, Helena
4
2009
On a classic example in the nonnegative inverse eigenvalue problem. Zbl 1149.15008
Laffey, Thomas J.; Šmigoc, Helena
6
2008
Construction of nonnegative symmetric matrices with given spectrum. Zbl 1116.15012
Laffey, Thomas J.; Šmigoc, Helena
18
2007
Tensor conditions for the existence of a common solution to the Lyapunov equation. Zbl 1162.15007
Laffey, Thomas J.; Šmigoc, Helena
6
2007
Common solution to the Lyapunov equation for \(2 \times 2\) complex matrices. Zbl 1158.15303
Laffey, Thomas J.; Šmigoc, Helena
3
2007
Nonnegative realization of spectra having negative real parts. Zbl 1103.15005
Laffey, Thomas J.; Šmigoc, Helena
21
2006
Construction of nonnegative matrices and the inverse eigenvalue problem. Zbl 1080.15007
Šmigoc, Helena
13
2005
The inverse eigenvalue problem for nonnegative matrices. Zbl 1075.15012
Šmigoc, Helena
33
2004
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

Citations by Year