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ORCIDHajo Broersma
Haitze J. Broersma
Person information
- affiliation: University of Twente, Department of Applied Mathematics, Enschede, The Netherlands
- affiliation: Durham University, Department of Computer Science, UK
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2020 – today
- 2024
[j168]Xiuwen Yang, Hajo Broersma
, Ligong Wang:
Sharp bounds for Laplacian spectral moments of digraphs with a fixed dichromatic number. Discret. Math. 347(1): 113659 (2024)- [j167]Fangfang Wu, Hajo Broersma, Shenggui Zhang, Binlong Li:
Properly colored and rainbow C 4 ${C}_{4}$ 's in edge-colored graphs. J. Graph Theory 105(1): 110-135 (2024) - 2023
- [j166]Yanni Dong, Hajo Broersma, Changwu Song, Pengfei Wan, Shenggui Zhang:
The effect of graph operations on the degree-based entropy. Appl. Math. Comput. 437: 127533 (2023) - [j165]Fengwei Li, Qingfang Ye, Hajo Broersma, Xiaoyan Zhang:
Polynomial algorithms for computing the isolated toughness of interval and split graphs. Concurr. Comput. Pract. Exp. 35(17) (2023) - [j164]Tingting Han, Hajo Broersma, Yandong Bai, Shenggui Zhang:
Sufficient conditions for properly colored C3's and C4's in edge-colored complete graphs. Discret. Appl. Math. 327: 101-109 (2023) - [i4]Antonios Antoniadis, Hajo Broersma, Yang Meng:
Online Graph Coloring with Predictions. CoRR abs/2312.00601 (2023) - 2022
- [j163]Fengwei Li, Qingfang Ye, Hajo Broersma:
Some New Bounds for the Inverse Sum Indeg Energy of Graphs. Axioms 11(5): 243 (2022) - [j162]Xihe Li, Hajo Broersma, Ligong Wang:
Integer Colorings with No Rainbow 3-Term Arithmetic Progression. Electron. J. Comb. 29(2) (2022) - [j161]Guowei Dai, Zan-Bo Zhang, Hajo Broersma, Xiaoyan Zhang:
The Hamiltonian properties in K1, r-free split graphs. Discret. Math. 345(6): 112826 (2022) - [j160]Xiangxiang Liu, Hajo Broersma, Ligong Wang:
On a conjecture of Nikiforov involving a spectral radius condition for a graph to contain all trees. Discret. Math. 345(12): 113112 (2022) - [j159]Wei Zheng, Hajo Broersma, Ligong Wang:
Toughness, forbidden subgraphs, and Hamiltonian-connected graphs. Discuss. Math. Graph Theory 42(1): 187-196 (2022) - [j158]Xihe Li, Hajo Broersma, Ligong Wang:
The Erdős-Gyárfás function with respect to Gallai-colorings. J. Graph Theory 101(2): 242-264 (2022) - 2021
- [j157]Fengwei Li, Qingfang Ye, Hajo Broersma, Ruixuan Ye, Xiao-Yan Zhang:
Extremality of VDB topological indices over f-benzenoids with given order. Appl. Math. Comput. 393: 125757 (2021) - [j156]Dan Hu, Hajo Broersma, Jiangyou Hou, Shenggui Zhang:
On the Spectra of General Random Mixed Graphs. Electron. J. Comb. 28(1): 1 (2021) - [j155]Qiannan Zhou, Hajo Broersma, Ligong Wang, Yong Lu:
On sufficient spectral radius conditions for hamiltonicity. Discret. Appl. Math. 296: 26-38 (2021) - [j154]Zhiwei Guo, Hajo Broersma, Binlong Li, Shenggui Zhang:
Almost eulerian compatible spanning circuits in edge-colored graphs. Discret. Math. 344(1): 112174 (2021) - [j153]Xihe Li, Hajo Broersma, Ligong Wang:
Extremal problems and results related to Gallai-colorings. Discret. Math. 344(11): 112567 (2021) - [j152]Hajo Broersma, Qin Ma, Yaping Mao, Jichang Wu:
Removable edges on a Hamilton cycle or outside a cycle in a 4-connected graph. Discuss. Math. Graph Theory 41(2): 559-587 (2021) - [j151]Wei Zheng, Hajo Broersma, Ligong Wang:
On hamiltonicity of 1-tough triangle-free graphs. Electron. J. Graph Theory Appl. 9(2): 433-442 (2021) - [j150]Wei Zheng, Hajo Broersma, Ligong Wang:
Toughness, Forbidden Subgraphs and Pancyclicity. Graphs Comb. 37(3): 839-866 (2021) - [j149]Qiannan Zhou, Hajo Broersma, Ligong Wang, Yong Lu:
Sufficient Spectral Radius Conditions for Hamilton-Connectivity of k-Connected Graphs. Graphs Comb. 37(6): 2467-2485 (2021) - [j148]Ruonan Li, Hajo Broersma, Maho Yokota, Kiyoshi Yoshimoto:
Edge-colored complete graphs without properly colored even cycles: A full characterization. J. Graph Theory 98(1): 110-124 (2021) - [j147]Hans-Christian Ruiz Euler, Unai Alegre Ibarra, Bram van de Ven, Hajo Broersma, Peter A. Bobbert, Wilfred G. van der Wiel:
Dopant network processing units: towards efficient neural network emulators with high-capacity nanoelectronic nodes. Neuromorph. Comput. Eng. 1(2): 24002 (2021) - 2020
- [j146]Wei Zheng, Hajo Broersma, Ligong Wang, Shenggui Zhang:
Conditions on subgraphs, degrees, and domination for hamiltonian properties of graphs. Discret. Math. 343(1): 111644 (2020) - [j145]Tao Tian, Hajo Broersma, Liming Xiong:
On sufficient degree conditions for traceability of claw-free graphs. Discret. Math. 343(7): 111883 (2020) - [j144]Zhiwei Guo, Hajo Broersma, Ruonan Li, Shenggui Zhang:
Some algorithmic results for finding compatible spanning circuits in edge-colored graphs. J. Comb. Optim. 40(4): 1008-1019 (2020) - [j143]Ruonan Li, Hajo Broersma, Shenggui Zhang:
Vertex-disjoint properly edge-colored cycles in edge-colored complete graphs. J. Graph Theory 94(3): 476-493 (2020) - [j142]Tao Chen, Jeroen van Gelder, Bram van de Ven, Sergey V. Amitonov, Bram De Wilde, Hans-Christian Ruiz Euler, Hajo Broersma, Peter A. Bobbert, Floris A. Zwanenburg, Wilfred G. van der Wiel:
Classification with a disordered dopant-atom network in silicon. Nat. 577(7790): 341-345 (2020) - [c36]Fengwei Li, Qingfang Ye, Hajo Broersma, Xiaoyan Zhang:
Optimal Algorithm of Isolated Toughness for Interval Graphs. PDCAT 2020: 379-388 - [i3]Hans-Christian Ruiz Euler, Unai Alegre Ibarra, Bram van de Ven, Hajo Broersma, Peter A. Bobbert, Wilfred G. van der Wiel:
Dopant Network Processing Units: Towards Efficient Neural-network Emulators with High-capacity Nanoelectronic Nodes. CoRR abs/2007.12371 (2020)
2010 – 2019
- 2019
- [j141]Antoon Hendrik Boode, Hajo Broersma:
Decompositions of graphs based on a new graph product. Discret. Appl. Math. 259: 31-40 (2019) - [j140]Fengwei Li, Xiaoyan Zhang, Hajo Broersma:
A polynomial algorithm for weighted scattering number in interval graphs. Discret. Appl. Math. 264: 118-124 (2019) - [j139]Ruonan Li, Hajo Broersma, Shenggui Zhang:
Properly Edge-colored Theta Graphs in Edge-colored Complete Graphs. Graphs Comb. 35(1): 261-286 (2019) - 2018
- [j138]Fengwei Li, Hajo Broersma, Juan Rada, Yuefang Sun:
Extremal benzenoid systems for two modified versions of the Randić index. Appl. Math. Comput. 337: 14-24 (2018) - [j137]Binlong Li, Hajo Broersma, Shenggui Zhang:
Conditions for graphs to be path partition optimal. Discret. Math. 341(5): 1350-1358 (2018) - [p2]Zoran Konkoli, Susan Stepney, Hajo Broersma, Paolo Dini, Chrystopher L. Nehaniv, Stefano Nichele:
Philosophy of Computation. Computational Matter 2018: 153-184 - [p1]Hajo Broersma, Susan Stepney, Göran Wendin:
Computability and Complexity of Unconventional Computing Devices. Computational Matter 2018: 185-229 - 2017
- [j136]Ruonan Li, Hajo Broersma, Chuandong Xu, Shenggui Zhang:
Cycle extension in edge-colored complete graphs. Discret. Math. 340(6): 1235-1241 (2017) - [j135]Binlong Li, Yanbo Zhang, Hajo Broersma:
An Exact Formula for all Star-Kipas Ramsey Numbers. Graphs Comb. 33(1): 141-148 (2017) - [j134]Zan-Bo Zhang, Xiaoyan Zhang, Hajo Broersma, Dingjun Lou:
Extremal and Degree Conditions for Path Extendability in Digraphs. SIAM J. Discret. Math. 31(3): 1990-2014 (2017) - [i2]Hajo Broersma, Susan Stepney, Göran Wendin:
Computability and Complexity of Unconventional Computing Devices. CoRR abs/1702.02980 (2017) - 2016
- [j133]Xiaodong Chen, Mingchu Li, Wei Liao, Hajo Broersma:
Hamiltonian properties of almost locally connected claw-free graphs. Ars Comb. 124: 95-109 (2016) - [j132]Yanbo Zhang, Hajo Broersma, Yaojun Chen:
On star-critical and upper size Ramsey numbers. Discret. Appl. Math. 202: 174-180 (2016) - [j131]Yanbo Zhang, Hajo Broersma, Yaojun Chen:
On fan-wheel and tree-wheel Ramsey numbers. Discret. Math. 339(9): 2284-2287 (2016) - [j130]Hajo Broersma, Binlong Li, Shenggui Zhang:
Forbidden subgraphs for hamiltonicity of 1-tough graphs. Discuss. Math. Graph Theory 36(4): 915-929 (2016) - [j129]Xiaoyan Zhang, Zan-Bo Zhang, Hajo Broersma, Xuelian Wen:
On the complexity of edge-colored subgraph partitioning problems in network optimization. Discret. Math. Theor. Comput. Sci. 17(3): 227-244 (2016) - [c35]Ruud van Damme, Hajo Broersma, Julia Mikhal, Celestine Lawrence, Wilfred G. van der Wiel:
A simulation tool for evolving functionalities in disordered nanoparticle networks. CEC 2016: 5238-5245 - 2015
- [j128]Binlong Li, Yanbo Zhang, Halina Bielak, Hajo Broersma, Premek Holub:
Closing the Gap on Path-Kipas Ramsey Numbers. Electron. J. Comb. 22(3): 3 (2015) - [j127]Yanbo Zhang, Hajo Broersma, Yaojun Chen:
Ramsey numbers of trees versus fans. Discret. Math. 338(6): 994-999 (2015) - [j126]Hajo Broersma:
How tough is toughness? Bull. EATCS 117 (2015) - [j125]Antoon Hendrik Boode, Hajo Broersma, Jan F. Broenink:
On a directed tree problem motivated by a newly introduced graph product. Electron. J. Graph Theory Appl. 3(2): 162-181 (2015) - [j124]Douglas Bauer, Hajo Broersma, Jan van den Heuvel, Nathan Kahl, Aori Nevo, Edward F. Schmeichel, Douglas R. Woodall, Michael Yatauro:
Best Monotone Degree Conditions for Graph Properties: A Survey. Graphs Comb. 31(1): 1-22 (2015) - [j123]Binlong Li, Bo Ning, Hajo Broersma, Shenggui Zhang:
Characterizing Heavy Subgraph Pairs for Pancyclicity. Graphs Comb. 31(3): 649-667 (2015) - [j122]Yanbo Zhang, Hajo Broersma, Yaojun Chen:
Three Results on Cycle-Wheel Ramsey Numbers. Graphs Comb. 31(6): 2467-2479 (2015) - [j121]Hajo Broersma, Jirí Fiala, Petr A. Golovach, Tomás Kaiser, Daniël Paulusma, Andrzej Proskurowski:
Linear-Time Algorithms for Scattering Number and Hamilton-Connectivity of Interval Graphs. J. Graph Theory 79(4): 282-299 (2015) - [j120]Limin Wang, Xiaoyan Zhang, Zhao Zhang, Hajo Broersma:
A PTAS for the minimum weight connected vertex cover P3 problem on unit disk graphs. Theor. Comput. Sci. 571: 58-66 (2015) - [c34]Julian Francis Miller, Hajo Broersma:
Computational Matter: Evolving Computational Solutions in Materials. GECCO (Companion) 2015: 769-770 - 2014
- [j119]Hajo Broersma, Binlong Li, Shenggui Zhang:
Heavy subgraph pairs for traceability of block-chains. Discuss. Math. Graph Theory 34(2): 287-307 (2014) - [j118]Yanbo Zhang, Hajo Broersma, Yaojun Chen:
A remark on star-C4 and wheel-C4 Ramsey numbers. Electron. J. Graph Theory Appl. 2(2): 110-114 (2014) - [j117]Jichang Wu, Hajo Broersma, Haiyan Kang:
Removable Edges and Chords of Longest Cycles in 3-Connected Graphs. Graphs Comb. 30(3): 743-753 (2014) - [j116]Hajo Broersma, Viresh Patel, Artem V. Pyatkin:
On Toughness and Hamiltonicity of 2K2-Free Graphs. J. Graph Theory 75(3): 244-255 (2014) - 2013
- [j115]Hajo Broersma, Fedor V. Fomin, Pim van 't Hof, Daniël Paulusma:
Exact Algorithms for Finding Longest Cycles in Claw-Free Graphs. Algorithmica 65(1): 129-145 (2013) - [j114]Hajo Broersma, Dieter Kratsch, Gerhard J. Woeginger:
Fully decomposable split graphs. Eur. J. Comb. 34(3): 567-575 (2013) - [j113]Hajo Broersma, Fedor V. Fomin, Petr A. Golovach, Daniël Paulusma:
Three complexity results on coloring Pk-free graphs. Eur. J. Comb. 34(3): 609-619 (2013) - [j112]Binlong Li, Hajo Broersma, Shenggui Zhang:
Forbidden subgraph pairs for traceability of block-chains. Electron. J. Graph Theory Appl. 1(1): 1-10 (2013) - [j111]Mingchu Li, Lifeng Yuan, He Jiang, Bing Liu, Haitze J. Broersma:
Tank-Ring Factors in Supereulerian Claw-Free Graphs. Graphs Comb. 29(3): 599-608 (2013) - [j110]Douglas Bauer, Haitze J. Broersma, Jan van den Heuvel, Nathan Kahl, Edward F. Schmeichel:
Toughness and Vertex Degrees. J. Graph Theory 72(2): 209-219 (2013) - [j109]Hajo Broersma, Petr A. Golovach, Viresh Patel:
Tight complexity bounds for FPT subgraph problems parameterized by the clique-width. Theor. Comput. Sci. 485: 69-84 (2013) - [c33]Robert de Groote, Philip K. F. Hölzenspies, Jan Kuper, Hajo Broersma:
Back to basics: Homogeneous representations of multi-rate synchronous dataflow graphs. MEMOCODE 2013: 35-46 - [c32]Hajo Broersma, Jirí Fiala, Petr A. Golovach, Tomás Kaiser, Daniël Paulusma, Andrzej Proskurowski:
Linear-Time Algorithms for Scattering Number and Hamilton-Connectivity of Interval Graphs. WG 2013: 127-138 - [c31]Antoon Hendrik Boode, Hajo Broersma, Jan F. Broenink:
Improving the Performance of Periodic Real-time Processes: a Graph Theoretical Approach. CPA 2013: 57-80 - [i1]Hajo Broersma, Jirí Fiala, Petr A. Golovach, Tomás Kaiser, Daniël Paulusma, Andrzej Proskurowski:
Linear-Time Algorithms for Scattering Number and Hamilton-Connectivity of Interval Graphs. CoRR abs/1301.5953 (2013) - 2012
- [j108]Binlong Li, Hajo Broersma, Shenggui Zhang:
Pairs of forbidden induced subgraphs for homogeneously traceable graphs. Discret. Math. 312(18): 2800-2818 (2012) - [j107]Haitze J. Broersma, Zdenek Ryjácek, Petr Vrána:
How Many Conjectures Can You Stand? A Survey. Graphs Comb. 28(1): 57-75 (2012) - [j106]Douglas Bauer, Haitze J. Broersma, Jan van den Heuvel, Nathan Kahl, Edward F. Schmeichel:
Degree Sequences and the Existence of k-Factors. Graphs Comb. 28(2): 149-166 (2012) - [j105]Hajo Broersma, Faustino J. Gomez, Julian F. Miller, Mike Petty, Gunnar Tufte:
Nascence Project: Nanoscale Engineering for Novel Computation Using Evolution. Int. J. Unconv. Comput. 8(4): 313-317 (2012) - [j104]Paul S. Bonsma, Hajo Broersma, Viresh Patel, Artem V. Pyatkin:
The complexity of finding uniform sparsest cuts in various graph classes. J. Discrete Algorithms 14: 136-149 (2012) - [j103]Hajo Broersma, Petr A. Golovach, Daniël Paulusma, Jian Song:
Updating the complexity status of coloring graphs without a fixed induced linear forest. Theor. Comput. Sci. 414(1): 9-19 (2012) - [j102]Hajo Broersma, Petr A. Golovach, Daniël Paulusma, Jian Song:
Determining the chromatic number of triangle-free 2P3-free graphs in polynomial time. Theor. Comput. Sci. 423: 1-10 (2012) - [c30]Robert de Groote, Jan Kuper, Hajo Broersma, Gerard J. M. Smit:
Max-Plus Algebraic Throughput Analysis of Synchronous Dataflow Graphs. EUROMICRO-SEAA 2012: 29-38 - 2011
- [j101]Mingchu Li, Xiaodong Chen, Hajo Broersma:
Hamiltonian connectedness in 4-connected hourglass-free claw-free graphs. J. Graph Theory 68(4): 285-298 (2011) - [c29]Hajo Broersma, Petr A. Golovach, Viresh Patel:
Tight Complexity Bounds for FPT Subgraph Problems Parameterized by Clique-Width. IPEC 2011: 207-218 - 2010
- [j100]Hajo Broersma, Stefan S. Dantchev, Matthew Johnson, Stefan Szeider:
Editorial. J. Discrete Algorithms 8(2): 101 (2010) - [j99]Hajo Broersma, Daniël Paulusma:
Computing sharp 2-factors in claw-free graphs. J. Discrete Algorithms 8(3): 321-329 (2010) - [c28]Hajo Broersma, Petr A. Golovach, Daniël Paulusma, Jian Song:
On Coloring Graphs without Induced Forests. ISAAC (2) 2010: 156-167 - [c27]Paul S. Bonsma, Hajo Broersma, Viresh Patel, Artem V. Pyatkin:
The Complexity Status of Problems Related to Sparsest Cuts. IWOCA 2010: 125-135 - [c26]Hajo Broersma, Petr A. Golovach, Daniël Paulusma, Jian Song:
Narrowing Down the Gap on the Complexity of Coloring Pk-Free Graphs. WG 2010: 63-74
2000 – 2009
- 2009
- [j98]Xueliang Li, Xiangmei Yao, Wenli Zhou, Hajo Broersma:
Complexity of conditional colorability of graphs. Appl. Math. Lett. 22(3): 320-324 (2009) - [j97]Haitze J. Broersma, Jun Fujisawa, Bert Marchal, Daniël Paulusma, A. N. M. Salman, Kiyoshi Yoshimoto:
lambda-backbone colorings along pairwise disjoint stars and matchings. Discret. Math. 309(18): 5596-5609 (2009) - [j96]Hajo Broersma, Bert Marchal, Daniël Paulusma, A. N. M. Salman:
Backbone colorings along stars and matchings in split graphs: their span is close to the chromatic number. Discuss. Math. Graph Theory 29(1): 143-162 (2009) - [j95]Hajo Broersma, Daniël Paulusma, Kiyoshi Yoshimoto:
Sharp Upper Bounds on the Minimum Number of Components of 2-factors in Claw-free Graphs. Graphs Comb. 25(4): 427-460 (2009) - [j94]Hajo Broersma, Stefan S. Dantchev, Matthew Johnson, Stefan Szeider:
Editorial. J. Discrete Algorithms 7(2): 147 (2009) - [j93]Hajo Broersma, Elkin Vumar:
On hamiltonicity of P 3-dominated graphs. Math. Methods Oper. Res. 69(2): 297-306 (2009) - [j92]Hajo Broersma, Matthew Johnson, Daniël Paulusma:
Upper bounds and algorithms for parallel knock-out numbers. Theor. Comput. Sci. 410(14): 1319-1327 (2009) - [c25]Hajo Broersma, Fedor V. Fomin, Petr A. Golovach, Daniël Paulusma:
Three Complexity Results on Coloring Pk-Free Graphs. IWOCA 2009: 95-104 - [c24]Hajo Broersma, Dieter Kratsch, Gerhard J. Woeginger:
Fully Decomposable Split Graphs. IWOCA 2009: 105-112 - [c23]Hajo Broersma, Fedor V. Fomin, Pim van 't Hof, Daniël Paulusma:
Fast Exact Algorithms for Hamiltonicity in Claw-Free Graphs. WG 2009: 44-53 - 2008
- [j91]Mingchu Li, Liming Xiong, Haitze J. Broersma:
Connected even factors in claw-free graphs. Discret. Math. 308(11): 2282-2284 (2008) - [j90]Hajo Broersma, Gasper Fijavz, Tomás Kaiser, Roman Kuzel, Zdenek Ryjácek, Petr Vrána:
Contractible subgraphs, Thomassen's conjecture and the dominating cycle conjecture for snarks. Discret. Math. 308(24): 6064-6077 (2008) - [j89]Ligong Wang, Hajo Broersma, Cornelis Hoede, Xueliang Li, Georg Still:
Some families of integral graphs. Discret. Math. 308(24): 6383-6391 (2008) - [j88]Hajo Broersma, Stefan S. Dantchev, Matthew Johnson, Stefan Szeider:
Preface. J. Discrete Algorithms 6(4): 539 (2008) - [j87]Hajo Broersma, Agostino Capponi, Daniël Paulusma:
A New Algorithm for On-line Coloring Bipartite Graphs. SIAM J. Discret. Math. 22(1): 72-91 (2008) - [j86]Hajo Broersma, Matthew Johnson, Daniël Paulusma, Iain A. Stewart:
The computational complexity of the parallel knock-out problem. Theor. Comput. Sci. 393(1-3): 182-195 (2008) - [c22]Hajo Broersma, Daniël Paulusma:
Computing Sharp 2-Factors in Claw-Free Graphs. MFCS 2008: 193-204 - [e3]Hajo Broersma, Thomas Erlebach, Tom Friedetzky, Daniël Paulusma:
Graph-Theoretic Concepts in Computer Science, 34th International Workshop, WG 2008, Durham, UK, June 30 - July 2, 2008. Revised Papers. Lecture Notes in Computer Science 5344, 2008, ISBN 978-3-540-92247-6 [contents] - 2007
- [j85]Hajo Broersma, Fedor V. Fomin, Rastislav Kralovic, Gerhard J. Woeginger:
Eliminating graphs by means of parallel knock-out schemes. Discret. Appl. Math. 155(2): 92-102 (2007) - [j84]Ligong Wang, Hajo Broersma, Cornelis Hoede, Xueliang Li, Georg Still:
Integral trees of diameter 6. Discret. Appl. Math. 155(10): 1254-1266 (2007) - [j83]Douglas Bauer, Hajo Broersma, Nathan Kahl, Aurora Morgana, Edward F. Schmeichel, Thomas M. Surowiec:
Tutte sets in graphs II: The complexity of finding maximum Tutte sets. Discret. Appl. Math. 155(10): 1336-1343 (2007) - [j82]A. N. M. Salman, Haitze J. Broersma:
Path-kipas Ramsey numbers. Discret. Appl. Math. 155(14): 1878-1884 (2007) - [j81]Hajo Broersma, Liming Xiong, Kiyoshi Yoshimoto:
Toughness and hamiltonicity in k-trees. Discret. Math. 307(7-8): 832-838 (2007) - [j80]A. N. M. Salman, Hajo Broersma:
On Ramsey numbers for paths versus wheels. Discret. Math. 307(7-8): 975-982 (2007) - [j79]Hajo Broersma, Gasper Fijavz, Tomás Kaiser, Roman Kuzel, Zdenek Ryjácek, Petr Vrána:
Contractible Subgraphs, Thomassen's Conjecture and the Dominating Cycle Conjecture for Snarks. Electron. Notes Discret. Math. 28: 55-59 (2007) - [j78]Hajo Broersma, Daniël Paulusma, Kiyoshi Yoshimoto:
On components of 2-factors in claw-free graphs. Electron. Notes Discret. Math. 29: 289-293 (2007) - [j77]Oleg V. Borodin, Hajo Broersma, Alexei N. Glebov, Jan van den Heuvel:
A new upper bound on the cyclic chromatic number. J. Graph Theory 54(1): 58-72 (2007) - [j76]Hajo Broersma, Fedor V. Fomin, Petr A. Golovach, Gerhard J. Woeginger:
Backbone colorings for graphs: Tree and path backbones. J. Graph Theory 55(2): 137-152 (2007) - [j75]Douglas Bauer, Hajo Broersma, Aurora Morgana, Edward F. Schmeichel:
Tutte sets in graphs I: Maximal tutte sets and D-graphs. J. Graph Theory 55(4): 343-358 (2007) - [j74]Hajo Broersma, Xueliang Li:
On the complexity of dominating set problems related to the minimum all-ones problem. Theor. Comput. Sci. 385(1-3): 60-70 (2007) - [c21]Hajo Broersma, Matthew Johnson, Daniël Paulusma:
Upper Bounds and Algorithms for Parallel Knock-Out Numbers. SIROCCO 2007: 328-340 - [c20]Hajo Broersma, Bert Marchal, Daniël Paulusma, A. N. M. Salman:
Improved Upper Bounds for lambda -Backbone Colorings Along Matchings and Stars. SOFSEM (1) 2007: 188-199 - 2006
- [j73]Hajo Broersma, Fedor V. Fomin, Jan Kratochvíl, Gerhard J. Woeginger:
Planar Graph Coloring Avoiding Monochromatic Subgraphs: Trees and Paths Make It Difficult. Algorithmica 44(4): 343-361 (2006) - [j72]Stephan Brandt, Hajo Broersma, Reinhard Diestel, Matthias Kriesell:
Global Connectivity And Expansion: Long Cycles and Factors In f-Connected Graphs. Comb. 26(1): 17-36 (2006) - [j71]A. N. M. Salman, Hajo Broersma:
Path-fan Ramsey numbers. Discret. Appl. Math. 154(9): 1429-1436 (2006) - [j70]Liming Xiong, Hajo Broersma:
Subpancyclicity of line graphs and degree sums along paths. Discret. Appl. Math. 154(9): 1453-1463 (2006) - [j69]Douglas Bauer, Hajo Broersma, Edward F. Schmeichel:
Toughness in Graphs - A Survey. Graphs Comb. 22(1): 1-35 (2006) - [c19]Hajo Broersma, Agostino Capponi, Daniël Paulusma:
On-Line Coloring of H-Free Bipartite Graphs. CIAC 2006: 284-295 - [c18]Hajo Broersma, Matthew Johnson, Daniël Paulusma, Iain A. Stewart:
The Computational Complexity of the Parallel Knock-Out Problem. LATIN 2006: 250-261 - [e2]Hajo Broersma, Stefan S. Dantchev, Matthew Johnson, Stefan Szeider:
Algorithms and Complexity in Durham 2006 - Proceedings of the Second ACiD Workshop, 18-20 September 2006, Durham, UK. Texts in Algorithmics 7, King's College, London 2006, ISBN 1-904987-38-9 [contents] - 2005
- [j68]Hajo Broersma, Xueliang Li, Gerhard J. Woeginger, Shenggui Zhang:
Paths and cycles in colored graphs. Australas. J Comb. 31: 299-312 (2005) - [j67]Liming Xiong, Zdenek Ryjácek, Hajo Broersma:
On stability of the hamiltonian index under contractions and closures. J. Graph Theory 49(2): 104-115 (2005) - [e1]Hajo Broersma, Matthew Johnson, Stefan Szeider:
Algorithms and Complexity in Durham 2005 - Proceedings of the First ACiD Workshop, 8-10 July 2005, Durham, UK. Texts in Algorithmics 4, King's College, London 2005, ISBN 1-904987-10-9 [contents] - 2004
- [j66]Ulrich Faigle, Stefan Pickl, Hajo Broersma, Johann L. Hurink:
Preface: The 1st Cologne-Twente Workshop on Graphs and Combinatorial Optimization. Discret. Appl. Math. 136(2-3): 159-160 (2004) - [j65]Liming Xiong, Hajo Broersma, Xueliang Li, Mingchu Li:
The hamiltonian index of a graph and its branch-bonds. Discret. Math. 285(1-3): 279-288 (2004) - [j64]A. N. M. Salman, Haitze J. Broersma:
The Ramsey Numbers of Paths Versus Kipases. Electron. Notes Discret. Math. 17: 251-255 (2004) - [j63]Hans L. Bodlaender, Hajo Broersma, Fedor V. Fomin, Artem V. Pyatkin, Gerhard J. Woeginger:
Radio Labeling with Preassigned Frequencies. SIAM J. Optim. 15(1): 1-16 (2004) - [c17]A. N. M. Salman, Hajo Broersma:
The Ramsey Numbers of Paths Versus Kipases. CTW 2004: 218-222 - [c16]Lodewijk T. Smit, Gerard J. M. Smit, Johann L. Hurink, Hajo Broersma, Daniël Paulusma, Pascal T. Wolkotte:
Run-time mapping of applications to a heterogeneous reconfigurable tiled system on chip architecture. FPT 2004: 421-424 - [c15]Hajo Broersma, Fedor V. Fomin, Gerhard J. Woeginger:
Parallel Knock-Out Schemes in Networks. MFCS 2004: 204-214 - [c14]Hajo Broersma, Daniël Paulusma, Gerard J. M. Smit, Frank Vlaardingerbroek, Gerhard J. Woeginger:
The Computational Complexity of the Minimum Weight Processor Assignment Problem. WG 2004: 189-200 - 2003
- [j62]A. N. M. Salman, Haitze J. Broersma:
The Ramsey Numbers of Paths Versus Fans. Electron. Notes Discret. Math. 13: 103-107 (2003) - [j61]Hajo Broersma, Ulrich Faigle, Johann L. Hurink, Stefan Pickl, Gerhard J. Woeginger:
Preface: Volume 13. Electron. Notes Discret. Math. 13: 128 (2003) - [j60]A. N. M. Salman, Hajo Broersma, Edy Tri Baskoro:
Spanning 2-Connected Subgraphs in Alphabet Graphs, Special Classes of Grid Graphs. J. Autom. Lang. Comb. 8(4): 675-681 (2003) - [c13]Yuanqing Guo, Gerard J. M. Smit, Hajo Broersma, Michèl A. J. Rosien, Paul M. Heysters:
Mapping Applications to a Coarse Grain Reconfigurable System. Asia-Pacific Computer Systems Architecture Conference 2003: 221-235 - [c12]Yuanqing Guo, Gerard J. M. Smit, Hajo Broersma, Paul M. Heysters:
Template Generation and Selection Algorithms. IWSOC 2003: 2-6 - [c11]Hajo Broersma:
A General Framework for Coloring Problems: Old Results, New Results, and Open Problems. IJCCGGT 2003: 65-79 - [c10]Surahmat, Edy Tri Baskoro, Saladin Uttunggadewa, Hajo Broersma:
An Upper Bound for the Ramsey Number of a Cycle of Length Four Versus Wheels. IJCCGGT 2003: 181-184 - [c9]Yuanqing Guo, Gerard J. M. Smit, Hajo Broersma, Paul M. Heysters:
A graph covering algorithm for a coarse grain reconfigurable system. LCTES 2003: 199-208 - [c8]Hajo Broersma, Fedor V. Fomin, Petr A. Golovach, Gerhard J. Woeginger:
Backbone Colorings for Networks. WG 2003: 131-142 - 2002
- [j59]Hajo Broersma, Ton Kloks, Dieter Kratsch, Haiko Müller:
A Generalization of AT-Free Graphs and a Generic Algorithm for Solving Triangulation Problems. Algorithmica 32(4): 594-610 (2002) - [j58]Hajo Broersma, Fedor V. Fomin, Jaroslav Nesetril, Gerhard J. Woeginger:
More About Subcolorings. Computing 69(3): 187-203 (2002) - [j57]Douglas Bauer, Hajo Broersma, Aurora Morgana, Edward F. Schmeichel:
Polynomial algorithms that prove an NP-Hard hypothesis implies an NP-hard conclusion. Discret. Appl. Math. 120(1-3): 13-23 (2002) - [j56]Hajo Broersma, Liming Xiong:
A note on minimum degree conditions for supereulerian graphs. Discret. Appl. Math. 120(1-3): 35-43 (2002) - [j55]Hajo Broersma, Xueliang Li:
Some approaches to a conjecture on short cycles in digraphs. Discret. Appl. Math. 120(1-3): 45-53 (2002) - [j54]Liming Xiong, Hajo Broersma, Cornelis Hoede, Xueliang Li:
Degree sums and subpancyclicity in line graphs. Discret. Math. 242(1-3): 255-267 (2002) - [j53]Hajo Broersma:
On some intriguing problems in hamiltonian graph theory--a survey. Discret. Math. 251(1-3): 47-69 (2002) - [j52]J. Adrian Bondy, Hajo Broersma, Jan van den Heuvel, Henk Jan Veldman:
Heavy cycles in weighted graphs. Discuss. Math. Graph Theory 22(1): 7-15 (2002) - [j51]Hajo Broersma, Xueliang Li:
Isomorphisms and traversability of directed path graphs. Discuss. Math. Graph Theory 22(2): 215-228 (2002) - [j50]Douglas Bauer, Hajo Broersma, Edward F. Schmeichel:
More Progress on Tough Graphs - The Y2K Report. Electron. Notes Discret. Math. 11: 63-80 (2002) - [j49]Shenggui Zhang, Hajo Broersma, Xueliang Li, Ligong Wang:
A Fan Type Condition For Heavy Cycles in Weighted Graphs. Graphs Comb. 18(1): 193-200 (2002) - [j48]Hajo Broersma, Ralph J. Faudree, Andreas Huck, Huib Trommel, Henk Jan Veldman:
Forbidden subgraphs that imply hamiltonian-connectedness. J. Graph Theory 40(2): 104-119 (2002) - [c7]Hans L. Bodlaender, Hajo Broersma, Fedor V. Fomin, Artem V. Pyatkin, Gerhard J. Woeginger:
Radio Labeling with Pre-assigned Frequencies. ESA 2002: 211-222 - [c6]Hajo Broersma, Fedor V. Fomin, Jan Kratochvíl, Gerhard J. Woeginger:
Planar Graph Coloring with Forbidden Subgraphs: Why Trees and Paths Are Dangerous. SWAT 2002: 160-169 - [c5]Hajo Broersma, Fedor V. Fomin, Jaroslav Nesetril, Gerhard J. Woeginger:
More about Subcolorings. WG 2002: 68-79 - 2001
- [j47]Hajo Broersma, Zdenek Ryjácek:
Strengthening the closure concept in claw-free graphs. Discret. Math. 233(1-3): 55-63 (2001) - [j46]Hajo Broersma, Xueliang Li, Shenggui Zhang:
A σ3 type condition for heavy cycles in weighted graphs. Discuss. Math. Graph Theory 21(2): 159-166 (2001) - [j45]Hajo Broersma, Ulrich Faigle, Johann L. Hurink, Stefan Pickl:
Preface: Volume 8. Electron. Notes Discret. Math. 8: 1 (2001) - [j44]Xueliang Li, Shenggui Zhang, Hajo Broersma:
Paths and Cycles in Colored Graphs. Electron. Notes Discret. Math. 8: 128-132 (2001) - [j43]Haitze J. Broersma, Matthias Kriesell, Zdenek Ryjácek:
On factors of 4-connected claw-free graphs. J. Graph Theory 37(2): 125-136 (2001) - 2000
- [j42]Douglas Bauer, Hajo Broersma, Henk Jan Veldman:
Not Every 2-tough Graph Is Hamiltonian. Discret. Appl. Math. 99(1-3): 317-321 (2000) - [j41]Hajo Broersma, Elias Dahlhaus, Ton Kloks:
A Linear Time Algorithm for Minimum Fill-in and Treewidth for Distance Hereditary Graphs. Discret. Appl. Math. 99(1-3): 367-400 (2000) - [j40]Shenggui Zhang, Xueliang Li, Hajo Broersma:
Heavy paths and cycles in weighted graphs. Discret. Math. 223(1-3): 327-336 (2000) - [j39]Hajo Broersma, Zdenek Ryjácek, Ingo Schiermeyer:
Closure Concepts: A Survey. Graphs Comb. 16(1): 17-48 (2000) - [j38]Hajo Broersma, Otto R. Koppius, Hilde Tuinstra, Andreas Huck, Ton Kloks, Dieter Kratsch, Haiko Müller:
Degree-preserving trees. Networks 35(1): 26-39 (2000)
1990 – 1999
- 1999
- [j37]Hajo Broersma, Cornelis Hoede:
Another equivalent of the graceful tree conjecture. Ars Comb. 51 (1999) - [j36]Hajo Broersma, Erik Engbers, Huib Trommel:
Various results on the toughness of graphs. Networks 33(3): 233-238 (1999) - [j35]Hajo Broersma, Ton Kloks, Dieter Kratsch, Haiko Müller:
Independent Sets in Asteroidal Triple-Free Graphs. SIAM J. Discret. Math. 12(2): 276-287 (1999) - 1998
- [j34]Hajo Broersma, Huib Trommel:
Closure concepts for claw-free graphs. Discret. Math. 185(1-3): 231-238 (1998) - [j33]Hajo Broersma, Hilde Tuinstra:
Independence trees and Hamilton cycles. J. Graph Theory 29(4): 227-237 (1998) - [c4]Hajo Broersma, Andreas Huck, Ton Kloks, Otto R. Koppius, Dieter Kratsch, Haiko Müller, Hilde Tuinstra:
Degree-Preserving Forests. MFCS 1998: 713-721 - [c3]Hajo Broersma, Ton Kloks, Dieter Kratsch, Haiko Müller:
A Generalization of AT-free Graphs and a Generic Algorithm for Solving Treewidth, Minimum Fill-In and Vertex Ranking. WG 1998: 88-99 - 1997
- [j32]Haitze J. Broersma:
A note on the minimum size of a vertex pancyclic graph. Discret. Math. 164(1-3): 29-32 (1997) - [j31]Haitze J. Broersma, Zdenek Ryjácek, Ingo Schiermeyer:
Dirac's minimum degree condition restricted to claws. Discret. Math. 167-168: 155-166 (1997) - [j30]Thomas Böhme, Hajo Broersma, F. Göbel, Alexandr V. Kostochka, Michael Stiebitz:
Spanning trees with pairwise nonadjacent endvertices. Discret. Math. 170(1-3): 219-222 (1997) - [j29]Hajo Broersma, Hao Li, Jianping Li, Feng Tian, Henk Jan Veldman:
Cycles through subsets with large degree sums. Discret. Math. 171(1-3): 43-54 (1997) - [j28]Hajo Broersma, Xueliang Li:
Spanning trees with many or few colors in edge-colored graphs. Discuss. Math. Graph Theory 17(2): 259-269 (1997) - [c2]Hajo Broersma, Ton Kloks, Dieter Kratsch, Haiko Müller:
Independent Sets in Asteroidal Triple-Free Graphs. ICALP 1997: 760-770 - [c1]Hajo Broersma, Elias Dahlhaus, Ton Kloks:
Algorithms for the Treewidth and Minimum Fill-in of HHD-Free Graphs. WG 1997: 109-117 - 1996
- [j27]Hajo Broersma, Xueliang Li:
The connectivity of the leaf-exchange spanning tree graph of a graph. Ars Comb. 43 (1996) - [j26]Armen S. Asratian, Haitze J. Broersma, Jan van den Heuvel, Henk Jan Veldman:
On graphs satisfying a local ore-type condition. J. Graph Theory 21(1): 1-10 (1996) - [j25]Haitze J. Broersma, Zdenek Ryjácek, Ingo Schiermeyer:
Toughness and hamiltonicity in almost claw-free graphs. J. Graph Theory 21(4): 431-439 (1996) - [j24]Haitze J. Broersma, Jan van den Heuvel, Bill Jackson, Henk Jan Veldman:
Hamiltonicity of regular 2-connected graphs. J. Graph Theory 22(2): 105-124 (1996) - [j23]Thomas Böhme, Haitze J. Broersma, Henk Jan Veldman:
Toughness and longest cycles in 2-connected planar graphs. J. Graph Theory 23(3): 257-263 (1996) - 1995
- [j22]Douglas Bauer, Haitze J. Broersma, Henk Jan Veldman:
On generalizing a theorem of Jung. Ars Comb. 40 (1995) - [j21]Douglas Bauer, Haitze J. Broersma, Jan van den Heuvel, Henk Jan Veldman:
Long cycles in graphs with prescribed toughness and minimum degree. Discret. Math. 141(1-3): 1-10 (1995) - [j20]Haitze J. Broersma, M. Lu:
Cycles through particular subgraphs of claw-free graphs. J. Graph Theory 20(4): 459-465 (1995) - [j19]Haitze J. Broersma, F. Göbel:
Bipartite regular graphs with fixed diameter. Networks 26(3): 139-144 (1995) - 1994
- [j18]Hajo Broersma, Ingo Schiermeyer:
Subgraphs, Closures and Hamiltonicity. Discret. Appl. Math. 51(1-2): 39-46 (1994) - [j17]Haitze J. Broersma, Ingo Schiermeyer:
A closure concept based on neighborhood unions of independent triples. Discret. Math. 124(1-3): 37-47 (1994) - 1993
- [j16]Hajo Broersma, Xueliang Li:
On "The Matching Polynomial of a Polygraph". Discret. Appl. Math. 46(1): 79-86 (1993) - [j15]Haitze J. Broersma, F. Göbel:
Coloring a graph optimally with two colors. Discret. Math. 118(1-3): 23-31 (1993) - [j14]Haitze J. Broersma:
A note on K4-closures in hamiltonian graph theory. Discret. Math. 121(1-3): 19-23 (1993) - [j13]Haitze J. Broersma, Jan van den Heuvel, Henk Jan Veldman:
Long cycles, degree sums and neighborhood unions. Discret. Math. 121(1-3): 25-35 (1993) - [j12]Haitze J. Broersma, Jan van den Heuvel, Henk Jan Veldman:
A generalization of Ore's Theorem involving neighborhood unions. Discret. Math. 122(1-3): 37-49 (1993) - [j11]Haitze J. Broersma, Jan van den Heuvel, Heinz Adolf Jung, Henk Jan Veldman:
Long paths and cycles in tough graphs. Graphs Comb. 9(1): 3-17 (1993) - [j10]Haitze J. Broersma, Jan van den Heuvel, Heinz Adolf Jung, Henk Jan Veldman:
Cycles containing all vertices of maximum degree. J. Graph Theory 17(3): 373-385 (1993) - [j9]Haitze J. Broersma, A. J. W. Duijvestijn, F. Göbel:
Generating all 3-connected 4-regular planar graphs from the octahedron graph. J. Graph Theory 17(5): 613-620 (1993) - [j8]Haitze J. Broersma, Ralph J. Faudree, Jan van den Heuvel, Henk Jan Veldman:
Decomposition of bipartite graphs under degree constraints. Networks 23(3): 159-164 (1993) - 1992
- [j7]Haitze J. Broersma, Xueliang Li:
The connectivity of the basis graph of a branching greedoid. J. Graph Theory 16(3): 233-237 (1992) - [j6]Haitze J. Broersma, Andy Liu, L. V. Saxton:
An Affirmative Action Graph (D. J. Newman). SIAM Rev. 34(4): 652-653 (1992) - 1991
- [j5]Haitze J. Broersma, Henk Jan Veldman:
Long dominating cycles and paths in graphs with large neighborhood unions. J. Graph Theory 15(1): 29-38 (1991)
1980 – 1989
- 1989
- [j4]Douglas Bauer, Hajo Broersma, Henk Jan Veldman, Li Rao:
A generalization of a result of Häggkvist and Nicoghossian. J. Comb. Theory, Ser. B 47(2): 237-243 (1989) - [j3]Haitze J. Broersma, Cornelis Hoede:
Path graphs. J. Graph Theory 13(4): 427-444 (1989) - 1988
- [j2]Haitze J. Broersma:
Existence of Δλ-cycles and Δλ-paths. J. Graph Theory 12(4): 499-507 (1988) - 1987
- [j1]Haitze J. Broersma, Henk Jan Veldman:
3-Connected line graphs of triangular graphs are panconnected and 1-hamiltonian. J. Graph Theory 11(3): 399-407 (1987)
Coauthor Index
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