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Frobenius-König theorem for classes of (0,±1)-matrices
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2024
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Richard A. Brualdi
Geir Dahl
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Combinatorial Fiedler theory and graph partition
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2024
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Enide Andrade
Geir Dahl
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PDF
Chat
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Multipermutations and Stirling Multipermutations
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2024
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Richard A. Brualdi
Geir Dahl
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PDF
Chat
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Multi-alternating sign matrices
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2023
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Richard A. Brualdi
Geir Dahl
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Majorization for (0,±1)-matrices
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2023
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Geir Dahl
Alexander Guterman
Pavel Shteyner
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+
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Combinatorial Fiedler Theory and Graph Partition
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2023
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Enide Andrade
Geir Dahl
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PDF
Chat
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Permutation graphs and the weak Bruhat order
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2022
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Richard A. Brualdi
Geir Dahl
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+
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Perron values and classes of trees
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2022
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Enide Andrade
Lorenzo Ciardo
Geir Dahl
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+
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Multipermutations and Stirling Multipermutations
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2022
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Richard A. Brualdi
Geir Dahl
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PDF
Chat
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Alternating sign and sign-restricted matrices: representations and partial orders
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2021
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Richard A. Brualdi
Geir Dahl
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PDF
Chat
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Diagonal sums of doubly stochastic matrices
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2021
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Richard A. Brualdi
Geir Dahl
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+
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Diagonal Sums of Doubly Stochastic Matrices
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2021
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Richard A. Brualdi
Geir Dahl
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+
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Sign-restricted matrices of $0$'s, $1$'s, and $-1$'s
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2021
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Richard A. Brualdi
Geir Dahl
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+
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Convex $(0,1)$-Matrices and Their Epitopes.
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2021
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Richard A. Brualdi
Geir Dahl
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+
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Sign-restricted matrices of 0's, 1's, and −1's
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2021
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Richard A. Brualdi
Geir Dahl
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+
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Convex $(0,1)$-Matrices and Their Epitopes
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2021
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Richard A. Brualdi
Geir Dahl
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+
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Diagonal Sums of Doubly Stochastic Matrices
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2021
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Richard A. Brualdi
Geir Dahl
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+
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Sign-restricted matrices of $0$'s, $1$'s, and $-1$'s
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2021
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Richard A. Brualdi
Geir Dahl
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PDF
Chat
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On Kemeny's constant for trees with fixed order and diameter
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2020
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Lorenzo Ciardo
Geir Dahl
Steve Kirkland
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PDF
Chat
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Permutation Matrices, Their Discrete Derivatives and Extremal Properties
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2020
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Richard A. Brualdi
Geir Dahl
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+
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On Kemeny's constant for trees with fixed order and diameter
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2020
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Lorenzo Ciardo
Geir Dahl
Steve Kirkland
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+
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On Kemeny's constant for trees with fixed order and diameter
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2020
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Lorenzo Ciardo
Geir Dahl
Steve Kirkland
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PDF
Chat
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Alternating Sign Matrices: Extensions, König-Properties, and Primary Sum-Sequences
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2019
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Richard A. Brualdi
Geir Dahl
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Majorization for (0,1)-matrices
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2019
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Geir Dahl
Alexander Guterman
Pavel Shteyner
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+
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Permutation Matrices, Their Discrete Derivatives and Extremal Properties.
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2019
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Richard A. Brualdi
Geir Dahl
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+
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Combinatorial Perron parameters for trees
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2019
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Enide Andrade
Lorenzo Ciardo
Geir Dahl
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+
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Permutation Matrices, Their Discrete Derivatives and Extremal Properties
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2019
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Richard A. Brualdi
Geir Dahl
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+
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New bounds for the signless Laplacian spread
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2018
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Enide Andrade
Geir Dahl
Laura Leal
María Robbiano
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+
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Majorization for matrix classes
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2018
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Geir Dahl
Alexander Guterman
Pavel Shteyner
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+
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New Bounds for the Signless Laplacian Spread
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2018
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Enide Andrade
Geir Dahl
Laura Leal
María Robbiano
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+
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Alternating sign matrices, related (0,1)-matrices, and the Smith normal form
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2018
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Richard A. Brualdi
Geir Dahl
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+
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New Bounds for the Signless Laplacian Spread
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2018
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Enide Andrade
Geir Dahl
Laura Leal
María Robbiano
|
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PDF
Chat
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Alternating sign matrices and hypermatrices, and a generalization of Latin squares
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2017
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Richard A. Brualdi
Geir Dahl
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Alternating Sign Matrices and Hypermatrices, and a Generalization of Latin Square
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2017
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Richard A. Brualdi
Geir Dahl
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+
PDF
Chat
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Combinatorial Perron values of trees and bottleneck matrices
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2016
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Enide Andrade
Geir Dahl
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PDF
Chat
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Doubly stochastic matrices and the Bruhat order
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2016
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Richard A. Brualdi
Geir Dahl
Eliseu Fritscher
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+
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Zero sum sign-central matrices and applications
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2016
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L.A. Barragán
Geir Dahl
A. Domínguez
Arantxa Otín
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+
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L-rays of permutation matrices and doubly stochastic matrices
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2015
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Geir Dahl
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+
PDF
Chat
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Strict Sign-Central Matrices
|
2015
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Richard A. Brualdi
Geir Dahl
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+
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The Laplacian energy of threshold graphs and majorization
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2014
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Geir Dahl
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PDF
Chat
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Subdivision schemes, network flows and linear optimization
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2014
|
Maria Charina
Geir Dahl
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The skeleton of acyclic Birkhoff polytopes
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2014
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Nair Maria Maia de Abreu
Liliana Costa
Geir Dahl
Enide Andrade
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+
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Majorization for partially ordered sets
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2013
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Richard A. Brualdi
Geir Dahl
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PDF
Chat
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INTEGRAL MAJORIZATION POLYTOPES
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2013
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Geir Dahl
Fuzhen Zhang
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+
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Subdivision schemes, network flows and linear optimization
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2013
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Maria Charina
Geir Dahl
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Nonlinear optimization Lecture notes for the course MAT-INF2360
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2013
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Øyvind Ryan
Geir Dahl
Knut Mørken
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+
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Subdivision schemes, network flows and linear optimization
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2013
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Maria Charina
Geir Dahl
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PDF
Chat
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An extension of the polytope of doubly stochastic matrices
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2012
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Richard A. Brualdi
Geir Dahl
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+
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Martingale matrix classes and polytopes
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2012
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Geir Dahl
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+
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Linear optimization and mathematical finance
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2012
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Geir Dahl
Kristina Rognlien Dahl
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+
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Polytopes related to interval vectors and incidence matrices
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2011
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Geir Dahl
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+
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Majorization classes of integral matrices
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2010
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Richard A. Brualdi
Geir Dahl
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Majorization permutahedra and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:mrow><mml:mo stretchy="false">(</mml:mo><mml:mn>0</mml:mn><mml:mtext>,</mml:mtext><mml:mn>1</mml:mn><mml:mo stretchy="false">)</mml:mo></mml:mrow></mml:math>-matrices
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2010
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Geir Dahl
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+
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Transportation matrices with staircase patterns and majorization
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2008
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Geir Dahl
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PDF
Chat
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Combinatorial properties of Fourier-Motzkin elimination
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2007
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Geir Dahl
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+
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Tridiagonal doubly stochastic matrices
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2004
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Geir Dahl
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A note on hop-constrained walk polytopes
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2004
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Geir Dahl
Njål Foldnes
Luı́s Gouveia
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+
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Some constrained partitioning problems and majorization
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2003
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Geir Dahl
Truls Flatberg
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PDF
Chat
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A note on linear discrepancy
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2003
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Geir Dahl
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+
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Majorization-constrained doubly stochastic matrices
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2002
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Richard A. Brualdi
Geir Dahl
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PDF
Chat
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Large-Scale Integer Programs in Image Analysis
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2002
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Geir Dahl
Geir Storvik
Alice Fadnes
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+
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Principal majorization ideals and optimization
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2001
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Geir Dahl
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A note on diagonally dominant matrices
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2000
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Geir Dahl
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Matrix majorization
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1999
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Geir Dahl
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+
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Stable Set Polytopes for a Class of Circulant Graphs
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1999
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Geir Dahl
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A note on nonnegative diagonally dominant matrices
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1999
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Geir Dahl
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PDF
Chat
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Weakk-majorization and polyhedra
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1998
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Geir Dahl
François Margot
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+
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Polytopes related to the l∞-distance between vectors
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1998
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Geir Dahl
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PDF
Chat
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Polyhedra and optimization in connection with a weak majorization ordering
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1995
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Geir Dahl
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