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Hajo Broersma

prof.dr.ir.

1987 …2019
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Research Output 1987 2019

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1996
18 Citations (Scopus)
12 Downloads (Pure)

Directed path graphs

Broersma, H. J., Li, X. & Li, X., 1996, Enschede: Universiteit Twente. 10 p. (Memorandum; no. 1310)

Research output: Book/ReportReportProfessional

File
Path
Graph in graph theory
Line Digraph
Digraph
Isomorphism

Independence trees and Hamilton cycles

Broersma, H. J. & Tuinstra, H., 1996, Enschede: Universiteit Twente. 23 p.

Research output: Book/ReportReportProfessional

Independent sets in asteroidal triple-free graphs

Broersma, H. J., Kloks, A. J. J., Kratsch, D. & Muller, H. C., 1996, Enschede: Universiteit Twente. 18 p.

Research output: Book/ReportReportProfessional

Progress Report: EIDMA Workshop on Hamiltonicity of 2-tough graphs

Bondy, J. A., Broersma, H. J., Hoede, C. & Veldman, H. J., 1996, Enschede: Universiteit Twente. 29 p.

Research output: Book/ReportReportProfessional

Some notes on closure concepts for claw-free graphs

Broersma, H. J. & Trommel, H., 1996, Enschede: Universiteit Twente. 12 p.

Research output: Book/ReportReportProfessional

1995

A note on spanning trees with pairwise nonadjacent end-vertices

Bohme, T., Broersma, H. J., Gobel, F., Kostochka, A. V. & Stiebitz, M., 1995, University of Twente, Faculty of Mathematical Sciences. 8 p. (Memorandum Faculty of Mathematical Sciences; no. 1266)

Research output: Book/ReportReportProfessional

Dirac's minimum degree condition restricted to claws

Broersma, H. J., Ryjácek, Z. & Schiermeyer, I., 1995, University of Twente, Faculty of Mathematical Sciences. 17 p. (Memorandum Faculty of Mathematical Sciences; no. 1272)

Research output: Book/ReportReportProfessional

Heavy cycles in weighted graphs

Bondy, J. A., Broersma, H. J., van den Heuvel, J. P. M. & Veldman, H. J., 1995, University of Twente, Faculty of Mathematical Sciences. 14 p. (Memorandum Faculty of Mathematical Sciences; no. 1300)

Research output: Book/ReportReportProfessional

Spanning trees with many or few colors in edge-colored graphs

Broersma, H. J. & Li, X., 1995, Enschede: University of Twente. 14 p. (Memorandum Faculty of Mathematical Sciences; no. 1298)

Research output: Book/ReportReportProfessional

Toughness and longest cycles in 2-connected planar graphs

Bohme, T., Broersma, H. J. & Veldman, H. J., 1995, University of Twente, Faculty of Mathematical Sciences. 11 p. (Memorandum Faculty of Mathematical Sciences; no. 1281)

Research output: Book/ReportReportProfessional

1994

A note on the minimum size of a vertex pancyclic graph

Broersma, H. J., 1994, University of Twente, Faculty of Mathematical Sciences. 7 p. (Memorandum Faculty of Mathematical Sciences; no. 1233)

Research output: Book/ReportReportProfessional

Bipartite regular graphs with fixed diameter

Broersma, H. J. & Gobel, F., 1994, University of Twente, Faculty of Mathematical Sciences. 14 p. (Memorandum Faculty of Mathematical Sciences; no. 1205)

Research output: Book/ReportReportProfessional

Cycles through subsets with large degree sums

Broersma, H., Li, H., Li, J., Tian, F. & Veldman, H. J., 1994, University of Twente, Faculty of Mathematical Sciences. 13 p. (Memorandum Faculty of Mathematical Sciences; no. 1207)

Research output: Book/ReportReportProfessional

Hamiltonicity of regular 2-connected graphs

Broersma, H. J., van den Heuvel, J. P. M., Jackson, B. & Veldman, H. J., 1994, University of Twente, Faculty of Mathematical Sciences. 24 p. (Memorandum Faculty of Mathematical Sciences; no. 1206)

Research output: Book/ReportReportProfessional

Unifying results on Hamiltonian claw-free graphs

Broersma, H. J., Ryjácek, Z. & Schiermeyer, I., 1994, University of Twente, Faculty of Mathematical Sciences. 11 p. (Memorandum Faculty of Mathematical Sciences; no. 1234)

Research output: Book/ReportReportProfessional

1993

Long cycles in graphs with prescribed toughness and minimum degree

Broersma, H. J., Bauer, D., van den Heuvel, J. P. M. & Veldman, H. J., 1993, University of Twente, Faculty of Mathematical Sciences. 13 p. (Memorandum Faculty of Mathematical Sciences; no. 1109)

Research output: Book/ReportReportProfessional

On graphs satisfying a local Ore-type condition

Broersma, H. J., Asratian, A. S., van den Heuvel, J. P. M. & Veldman, H. J., 1993, University of Twente, Faculty of Mathematical Sciences. 12 p. (Memorandum Faculty of Mathematical Sciences; no. 1139)

Research output: Book/ReportReportProfessional

Toughness and hamiltonicity in almost claw-free graphs

Broersma, H. J., Ryjácek, Z. & Schiermeyer, I., 1993, University of Twente, Faculty of Mathematical Sciences. 10 p. (Memorandum Faculty of Mathematical Sciences; no. 1114)

Research output: Book/ReportReportProfessional

Trees are graceful if and only if trees with a perfect matching are strongly graceful

Broersma, H. J. & Hoede, C., 1993, University of Twente, Faculty of Mathematical Sciences. 7 p. (Memorandum Faculty of Mathematical Sciences; no. 1167)

Research output: Book/ReportReportProfessional

1992

Contributions to the Twente Workshop on Hamiltonian Graph Theory

Broersma, H. J., van den Heuvel, J. P. M. & Veldman, H. J., 1992, University of Twente, Faculty of Mathematical Sciences. 96 p. (Memorandum Faculty of Mathematical Sciences; no. 1043)

Research output: Book/ReportReportProfessional

Cycles containing all vertices of maximum degree

Broersma, H. J., van den Heuvel, J. P. M., Jung, H. A. & Veldman, H. J., 1992, University of Twente, Faculty of Mathematical Sciences. 14 p. (Memorandum Faculty of Mathematical Sciences; no. 1044)

Research output: Book/ReportReportProfessional

Cycles through particular subgraphs of claw-free graphs

Broersma, H. J. & Lu, M., 1992, University of Twente, Faculty of Mathematical Sciences. 9 p. (Memorandum Faculty of Mathematical Sciences; no. 1097)

Research output: Book/ReportReportProfessional

On hamiltonian properties of 2-tough graphs

Bauer, D., Broersma, H. J., van den Heuvel, J. P. M. & Veldman, H. J., 1992, University of Twente, Faculty of Mathematical Sciences. 7 p. (Memorandum Faculty of Mathematical Sciences; no. 1037)

Research output: Book/ReportReportProfessional

Updated contributions to the Twente Workshop on Hamiltonian Graph Theory

Broersma, H. J., van den Heuvel, J. P. M. & Veldman, H. J., 1992, University of Twente, Faculty of Mathematical Sciences. 122 p. (Memorandum Faculty of Mathematical Sciences; no. 1076)

Research output: Book/ReportReportProfessional

1991

A closure concept based on neighborhood unions of indipendent triples

Broersma, H. J. & Schiermeyer, I., 1991, University of Twente, Faculty of Mathematical Sciences. 14 p. (Memorandum Faculty of Mathematical Sciences; no. 931)

Research output: Book/ReportReportProfessional

Decomposition of bipartite graphs under degree constraints

Broersma, H. J., Faudree, R. J., van den Heuvel, J. P. M. & Veldman, H. J., 1991, University of Twente, Faculty of Mathematical Sciences. 9 p. (Memorandum Faculty of Mathematical Sciences; no. 984)

Research output: Book/ReportReportProfessional

Long paths and cycles in tough graphs

Broersma, H. J., van den Heuvel, J. P. M., Jung, H. A. & Veldman, H. J., 1991, University of Twente, Faculty of Applied Mathematics. 16 p. (Memorandum Faculty of Applied Mathematics; no. 946)

Research output: Book/ReportReportProfessional

Optimal copying strategies

Broersma, H. J. & Gobel, F., 1991, University of Twente, Faculty of Applied Mathematics. 6 p. (Memorandum Faculty of Applied Mathematics; no. 1005)

Research output: Book/ReportReportProfessional

Subgraphs, closures and hamiltonicity

Broersma, H. J. & Schiermeyer, I., 1991, University of Twente, Faculty of Applied Mathematics. 7 p. (Memorandum Faculty of Applied Mathematics; no. 998)

Research output: Book/ReportReportProfessional

The connectivity of the basis graph of a branching greedoid

Broersma, H. J. & Li, X., 1991, Enschede: University of Twente. 8 p. (Memorandum Faculty of Mathematical Sciences; no. 937)

Research output: Book/ReportReportProfessional

The connectivity of the leaf-exchange spanning tree graph of a graph

Broersma, H. J. & Li, X., 1991, Enschede: University of Twente. 8 p. (Memorandum Faculty of Mathematical Sciences; no. 969)

Research output: Book/ReportReportProfessional

1990

A closure concept based on degree-sums of independent triples

Broersma, H. J. & Schiermeyer, I., 1990, University of Twente, Faculty of Applied Mathematics. 14 p. (Memorandum Faculty of Applied Mathematics; no. 864)

Research output: Book/ReportReportProfessional

A note on K4-closures in hamiltonian graph theory

Broersma, H. J., 1990, University of Twente, Faculty of Applied Mathematics. (Memorandum Faculty of Applied Mathematics; no. 903)

Research output: Book/ReportReportProfessional

A note on "the matching polynomial of a polygraph"

Broersma, H. J. & Li xueliang, N., 1990, University of Twente, Faculty of Applied Mathematics. 9 p. (Memorandum Faculty of Applied Mathematics; no. 910)

Research output: Book/ReportReportProfessional

Generating all 3-connected 4-regular planar graphs from the Octahedron Graph

Broersma, H. J., Duijvestijn, A. J. W. & Gobel, F., 1990, University of Twente, Faculty of Applied Mathematics. 9 p. (Memorandum Faculty of Mathematical Sciences; no. 854)

Research output: Book/ReportReportProfessional

Long cycles, degree sums and neighborhood unions

Broersma, H. J., van den Heuvel, J. P. M. & Veldman, H. J., 1990, University of Twente, Faculty of Mathematical Sciences. 21 p. (Memorandum Faculty of Mathematical Sciences; no. 851)

Research output: Book/ReportReportProfessional