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Showing results 1-50 of 177 << Previous 1 2 3 4    Next >>
2021
1.  Brualdi, R.A.; Dahl, Geir.
Sign-restricted matrices of 0's, 1's, and -1's. Linear Algebra and its Applications 2021
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2020
2.  Brualdi, R.A.; Dahl, Geir.
Alternating Sign Matrices: Extensions, König-properties, and Primary Sum-Sequences. Graphs and Combinatorics 2020 ;Volume 36. p. 63-92
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3.  Brualdi, R.A.; Dahl, Geir.
Permutation matrices, their discrete derivatives and extremal properties. Vietnam Journal of Mathematics 2020 ;Volume 48. p. 719-740
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4.  Ciardo, Lorenzo; Dahl, Geir; Kirkland, Steve.
On Kemeny's constant for trees with fixed order and diameter. Linear and multilinear algebra 2020
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2019
5.  Andrade, Enide; Ciardo, Lorenzo; Dahl, Geir.
Combinatorial Perron Parameters for Trees. Linear Algebra and its Applications 2019 ;Volume 566. p. 138-166
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6.  Andrade, Enide; Dahl, Geir; Leal, Laura; Robbiano, Maria.
New bounds for the signless Laplacian spread. IMAME 2019, International no Meeting on Applied Mathematics & Evolution; 2019-04-16 - 2019-04-18
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7.  Andrade, Enide; Dahl, Geir; Leal, Laura; Robbiano, Maria.
New bounds for the signless Laplacian spread. Linear Algebra and its Applications 2019 ;Volume 566. p. 98-120
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8.  Brualdi, R.A.; Dahl, Geir.
Matrix covering and A-interval matrices. IMAME 2019, International no Meeting on Applied Mathematics & Evolution; 2019-04-16 - 2019-04-18
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9.  Dahl, Geir.
Majorization - some recent developments in matrix theory. Mathematics seminar; 2019-10-28 - 2019-10-28
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10.  Dahl, Geir; Brualdi, R.A.; Guterman, Alexander; Shteyner, Pavel.
Matrix covering problems. International linear algebra society ILAS 2019; 2019-07-08 - 2019-07-12
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11.  Dahl, Geir; Guterman, Alexander; Shteyner, Pavel.
Majorization for (0,1)-matrices. Linear Algebra and its Applications 2019 ;Volume 585. p. 147-163
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2018
12.  Brualdi, R.A.; Dahl, Geir.
Alternating Sign Matrices and Hypermatrices, and a Generalization of Latin Squares. Advances in Applied Mathematics 2018 ;Volume 95. p. 116-151
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13.  Brualdi, R.A.; Dahl, Geir.
Alternating sign matrices, related (0,1)-matrices, and the Smith normal form. Linear Algebra and its Applications 2018 p. 1-19
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14.  Brualdi, R.A.; Dahl, Geir.
The interval structure of (0,1)-matrices. Discrete Applied Mathematics 2018
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15.  Dahl, Geir; Andrade, Enide; Ciardo, Lorenzo.
Combinatorial Perron Parameters and Trees. The XXVII Congreso de Matemática Capricornio, COMCA 2018; 2018-07-25 - 2018-07-27
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16.  Dahl, Geir; Brualdi, R.A..
Alternating Sign Matrices, Polyhedra and Majorization. The XXVII Congreso de Matemática Capricornio, COMCA 2018; 2018-07-25 - 2018-07-27
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17.  Dahl, Geir; Guterman, Alexander; Shteyner, Pavel.
Majorization for matrix classes. Linear Algebra and its Applications 2018 ;Volume 555. p. 201-221
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2017
18.  Agra, Agostinho; Dahl, Geir; Haufmann, Torkel Andreas; Pinheiro, Sofia.
The k-regular induced subgraph problem. Discrete Applied Mathematics 2017 ;Volume 222. p. 14-30
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19.  Brualdi, R.A.; Dahl, Geir.
Alternating sign matrices and polyhedra. Seminar talk; 2017-03-20 - 2017-03-20
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20.  Brualdi, R.A.; Dahl, Geir.
Alternating sign matrices and related polyhedra. ASGARD 2017; 2017-04-26 - 2017-04-27
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21.  Brualdi, R.A.; Dahl, Geir.
Alternating sign matrices, extensions and related cones. Advances in Applied Mathematics 2017 ;Volume 86. p. 19-49
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22.  Dahl, Geir.
Laplacian energy, threshold graphs and majorization. International linear algebra society ILAS 2017; 2017-07-24 - 2017-07-28
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23.  Dahl, Geir; Ranestad, Kristian; Hole, Arne.
Programmering rammer dybdelæring i matematikk. Aftenposten (morgenutg. : trykt utg.) 2017 p. 22-23
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2016
24.  Andrade, Enide; Dahl, Geir.
Combinatorial Perron values. ILAS Int. Linear Algebra Society 2016; 2016-07-11 - 2016-07-15
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25.  Andrade, Enide; Dahl, Geir.
Combinatorial Perron values. Seminar Department of Mathematics, University of Aveiro; 2016-10-12 - 2016-10-12
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26.  Andrade, Enide; Dahl, Geir.
Combinatorial Perron values of trees and bottleneck matrices. Linear and multilinear algebra 2016 ;Volume 65.(12) p. 2387-2405
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27.  Barragan, Luis A.; Dahl, Geir; Dominguez, Alberto; Otin, Arantxa.
Zero sum sign-central matrices and applications. Linear Algebra and its Applications 2016 ;Volume 505. p. 109-125
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28.  Brualdi, Richard A.; Dahl, Geir; Fritscher, Eliseu.
Doubly Stochastic Matrices and the Bruhat Order. Czechoslovak Mathematical Journal 2016 ;Volume 66.(3) p. 681-700
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29.  Dahl, Geir.
Some Topics in Combinatorial Matrix Theory. International conference on Tensor, Matrix and their applications; 2016-05-21 - 2016-05-24
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30.  Dahl, Geir; Brualdi, R.A..
Doubly stochastic matrices and the Bruhat order. ILAS Int. Linear Algebra Society 2016; 2016-07-11 - 2016-07-15
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31.  Dahl, Geir; Haufmann, Torkel Andreas.
Zero-one completely positive matrices and the A(R, S) classes. Special Matrices 2016 ;Volume 4.(1) p. 296-304
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32.  Dahl, Geir; Haufmann, Torkel Andreas.
Zero-one completely positive matrices and the A(R,S )matrix classes. ILAS Int. Linear Algebra Society 2016; 2016-07-11 - 2016-07-15
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33.  Haufmann, Torkel Andreas; Agra, Agostinho; Dahl, Geir; Pinheiro, Sofia.
The k-regular induced subgraph problem. 4th International Symposium on Combinatorial Optimization (ISCO2016); 2016-05-16 - 2016-05-18
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2015
34.  Agra, Agostinho; Dahl, Geir; Haufmann, Torkel Andreas; Pinheiro, Sofia.
Maximal induced k-regular subgraphs. 22nd International Symposium on Mathematical Programming; 2015-07-12 - 2015-07-17
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35.  Agra, Agostinho; Dahl, Geir; Haufmann, Torkel Andreas; Pinheiro, Sofia.
The k-regular induced subgraph problem for k=1,2. MatTriad 2015 (Matrix theory); 2015-09-07 - 2015-09-11
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36.  Brualdi, Richard A.; Dahl, Geir.
Strict Sign-Central Matrices. SIAM Journal on Matrix Analysis and Applications 2015 ;Volume 36.(3) p. 1202-1220
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37.  Dahl, Geir.
Combinatorial Matrix Theory and Majorization. 2015 SIAM Conference on Applied Linear Algebra; 2015-10-26 - 2015-10-30
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38.  Dahl, Geir.
L-rays of permutation matrices and doubly stochastic matrices. Linear Algebra and its Applications 2015 ;Volume 480. p. 127-143
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39.  Dahl, Geir.
Majorization, (0,1)-matrices and Laplacian energy.. Seminar Department of Mathematics, University of Aveiro; 2015-05-27
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40.  Dahl, Geir.
Permutation matrices, doubly stochastic matrices and their L– rays. MatTriad 2015 (Matrix theory); 2015-09-07 - 2015-09-11
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2014
41.  Abreu, Nair; Costa, Liliana; Dahl, Geir; Martins, Enide.
The skeleton of acyclic Birkhoff polytopes. Linear Algebra and its Applications 2014 ;Volume 457. p. 29-48
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42.  Charina, Maria; Dahl, Geir.
Subdivision schemes, network flows and linear optimization. Advances in Computational Mathematics 2014 ;Volume 41. p. 507-528
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43.  Dahl, Geir.
Majorization and combinatorial matrix theory. ALAMA-GAMM/ANLA-meeting matrix analysis 2014; 2014-07-14 - 2014-07-16
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44.  Dahl, Geir.
The Laplacian energy of threshold graphs and majorization. Linear Algebra and its Applications 2014 ;Volume 469. p. 518-530
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45.  Dahl, Geir.
Traveling Salesman Problem: En matematisk rundtur. Faglig-pedagogisk dag; 2014-10-30
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46.  Dahl, Geir; Brualdi, R.A..
Majorization for partially ordered sets. ILAS (International Linear Algebra Society) 2014; 2014-08-06 - 2014-08-09
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47.  Haufmann, Torkel Andreas; Dahl, Geir.
Optimization and classes of completely positive matrices. International Symposium on Combinatorial Optimization (ISCO2014); 2014-03-05 - 2014-03-07
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2013
48.  Brualdi, Richard A.; Dahl, Geir.
An extension of the polytope of doubly stochastic matrices. Linear and multilinear algebra 2013 ;Volume 61.(3) p. 393-408
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49.  Brualdi, Richard A.; Dahl, Geir.
Majorization for partially ordered sets. Discrete Mathematics 2013 ;Volume 313.(22) p. 2592-2601
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50.  Dahl, Geir.
A note on majorization transforms and Ryser’s algorithm. Special Matrices 2013 ;Volume 1. p. 17-24
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