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Graph Theory and Combinatorics

András Sebő , Zoltán Szigeti
ICGT, 2014, Grenoble, France
Communication dans un congrès hal-01420401v1

The (2, k)-Connectivity Augmentation Problem: Algorithmic Aspects

Florian Hörsch , Zoltán Szigeti
Algorithmica, 2021, 83 (8), pp.2333-2350. ⟨10.1007/s00453-021-00829-4⟩
Article dans une revue hal-03326082v1
Image document

Connectivity of orientations of 3-edge-connected graphs

Florian Hörsch , Zoltán Szigeti
European Journal of Combinatorics, 2021, 94, pp.103292. ⟨10.1016/j.ejc.2020.103292⟩
Article dans une revue hal-03275463v1

Partition constrained covering of a symmetric crossing supermodular function by a graph,

A. Bernath , Roland Grappe , Zoltán Szigeti
SIAM Journal on Discrete Mathematics, 2017, 31 (1), pp.335 - 382. ⟨10.1137/140996902⟩
Article dans une revue hal-01529662v1

On packing spanning arborescences with matroid constraint

Quentin Fortier , Csaba Kiraly , Zoltán Szigeti , Shin‐ichi Tanigawa
Journal of Graph Theory, 2020, 93 (2), pp.230-252. ⟨10.1002/jgt.22484⟩
Article dans une revue hal-02273541v1

On (2,k)-connected graphs

Olivier Durand de Gevigney , Zoltán Szigeti
Journal of Graph Theory, 2019, 91 (4), pp.305 - 325
Article dans une revue hal-02152394v1

Hypergraph edge-connectivity augmentation

Zoltán Szigeti
Workshop celebrating Frank's 60th, 2009, Budapest, Hungary
Communication dans un congrès hal-00633792v1

An excluded minor characterization of Seymour graphs,

A. Ageev , Yohann Benchetrit , András Sebő , Zoltán Szigeti
proceedings 15th IPCO, 2011, LNCS 6655, pp.1-13
Article dans une revue hal-00677808v1

Sandwich problems on orientations

Olivier Durand de Gevigney , Sulamita Klein , Viet-Hang Nguyen , Zoltán Szigeti
Journal of the Brazilian Computer Society, 2012, 18 (2), pp.85-93. ⟨10.1007/s13173-012-0065-7⟩
Article dans une revue hal-00717315v1

Packing of arborescences with matroid constraints via matroid intersection

Csaba Kiraly , Zoltán Szigeti , Shin‐ichi Tanigawa
Mathematical Programming, 2020, 184 (1 - 2), pp.85-117. ⟨10.1007/s10107-019-01377-0⟩
Article dans une revue hal-03005350v1
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Eulerian orientations and vertex-connectivity

Florian Hoersch , Zoltán Szigeti
Discrete Applied Mathematics, 2021, pp.115 - 124. ⟨10.1016/j.dam.2020.09.022⟩
Article dans une revue hal-03002865v1

On the complexity of finding well-balanced orientations with upper bounds on the out-degrees

Florian Hörsch , Zoltán Szigeti
Journal of Combinatorial Optimization, 2023, 45 (1), pp.30. ⟨10.1007/s10878-022-00962-y⟩
Article dans une revue hal-03961401v1

Old and new results on packing arborescences.

Zoltán Szigeti
9th Hungarian-Japanese Symposium on Discrete Mathematics and Its Applications, May 2015, Fukuoka, Japan
Communication dans un congrès hal-01359348v1

Packing of Mixed Hyperarborescences with Flexible Roots via Matroid Intersection

Florian Hoersch , Zoltán Szigeti
The Electronic Journal of Combinatorics, 2021, 28 (3), ⟨10.37236/10105⟩
Article dans une revue hal-03326074v1

Partition constrained covering of symmetric crossing supermodular functions

Zoltán Szigeti , Roland Grappe , A. Bernath
ACM-SIAM Symposium on Discrete Algorithms, Jan 2010, Austin, United States. pp.1512-1520
Communication dans un congrès hal-00451825v1

Recent results on well-balanced orientations

A. Bernath , S. Iwata , Z. Kiraly , Zoltán Szigeti , T. Kiraly
Discrete Optimization, 2008, 5 (4), pp.663-676
Article dans une revue hal-00363639v1

Simultaneous well-balanced orientations of graphs

Z. Kiraly , Zoltán Szigeti
Journal of Combinatorial Theory, Series B, 2006, 96, pp.684-692
Article dans une revue hal-00360181v1

Packing of rigid spanning subgraphs and spanning trees

Joseph Cheriyan , Olivier Durand de Gevigney , Zoltán Szigeti
Journal of Combinatorial Theory, Series B, 2014, 105, pp.17-25. ⟨10.1016/j.jctb.2013.11.003⟩
Article dans une revue hal-00958668v1

Edge-splittings preserving edge-connectivity of graphs

Zoltán Szigeti
Discrete Applied Mathematics, 2005, special issue : GRACO 2005, 2nd brasilian Symp. on Graphs, Algorithms & Combinatorics
Article dans une revue hal-00360112v1

On packing spanning arborescences with matroid constraints

Quentin Fortier , Csaba Kiraly , Zoltán Szigeti , S. Tanigawa
The European Conference on Combinatorics, Graph Theory and Applications (EUROCOMB'17), May 2017, Vienne, Austria. pp.451 - 457
Communication dans un congrès hal-01529665v1

Packing mixed hyperarborescences

Zoltán Szigeti
2023, 12th Japanese-Hungarian Symposium on Discrete Mathematics and Its Applications, Budapest, Hungary, 2023, March, ISBN 978-963-421-903-3
Proceedings/Recueil des communications hal-04053264v1

A 4/3-Approximation Algorithm for the Minimum 2-Edge Connected Multisubgraph Problem in the Half-Integral Case

Sylvia Boyd , Joseph Cheriyan , Robert Cummings , Logan Grout , Sharat Ibrahimpur , et al.
SIAM Journal on Discrete Mathematics, 2022, 36 (3), pp.1730-1747. ⟨10.1137/20M1372822⟩
Article dans une revue hal-03860876v1

Packing mixed hyperarborescences

Zoltán Szigeti
Discrete Optimization, 2023, 50, pp.100811. ⟨10.1016/j.disopt.2023.100811⟩
Article dans une revue hal-04331404v1

A 4/3-Approximation Algorithm for the Minimum 2-Edge Connected Multisubgraph Problem in the Half-Integral Case,

Sylvia Boyd , Joseph Cheriyan , Robert Cummings , Logan Grout , S. Ibrahimpur , et al.
APPROX 2020, Aug 2020, Seattle, United States. pp.61:1-61:12
Communication dans un congrès hal-03002877v1

Edge-connectivity augmentation of graphs over symmetric parity families

Zoltán Szigeti
Discrete Mathematics, 2008, 308 (24), pp.6527-6532
Article dans une revue hal-00363848v1

Covering symmetric semi-monotone functions

Zoltán Szigeti , Roland Grappe
Discrete Applied Mathematics, 2008, 156 (1), pp.138-144
Article dans une revue hal-00187293v1

Steiner connectivity problems in hypergraphs

Florian Hörsch , Zoltán Szigeti
Information Processing Letters, 2024, 183, pp.106428. ⟨10.1016/j.ipl.2023.106428⟩
Article dans une revue hal-04191145v1

Edge-connectivity augmentation of graphs over symmetric parity families

Zoltán Szigeti
The POC workshop celebrating Jack's 75 th, 2009, PARIS, France
Communication dans un congrès hal-00633790v1

Packing arborescences with matroid constraints via matroid intersection

Zoltán Szigeti
Follow Up Workshop to Combinatorial Optimization, Aug 2018, Bonn, Germany
Communication dans un congrès hal-02135591v1

On the local splitting off theorem

Zoltán Szigeti
GRACO 2005, 2nd Brasilian Symposium on Graphs, Algorithms and Combinatorics, 2005, --, France. pp.57-61
Communication dans un congrès hal-00375226v1