Academic Honours
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Laureaat van de Prijs van de Koninklijke Academie voor Wetenschappen,
Letteren en Schone Kunsten van België, Klasse der Wetenschappen (1988)
Hall Medal of the Institute of Combinatorics and its Applications, Canada (1999)
Euler Medal of the Institute of Combinatorics and its Applications, Canada (2021)
List of Publications
- H. VAN MALDEGHEM, σ-Homotopy Groups of Coxetercomplexes, Simon Stevin 58 (1984), 35–63.
- H. VAN MALDEGHEM, Characterization of the Free σ-Homotopy Groups of Coxetercomplexes, Simon Stevin 60 (1986), 353– 368.
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H. VAN MALDEGHEM, Non-Classical Triangle Buildings, Geom. Dedicata 24 (1987), 123–206.
- G. HANSSENS & H. VAN MALDEGHEM, A New Look at the Classical Generalized Quadrangles, Ars Combin. 24 (1987), 199–210.
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H. VAN MALDEGHEM,Valuations on PTR's Induced by Triangle Buildings, Geom. Dedicata 26 (1988), 29–84.
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G. HANSSENS & H. VAN MALDEGHEM, A Note on Near-Barbilian Planes, Geom. Dedicata 29 (1989), 233–235.
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H. VAN MALDEGHEM, Generalized Polygons with Valuation, Arch. Math. 53 (1989), 513–520.
- H.VAN
MALDEGHEN, Affine Buildings of Type C2
, Academia Analecta, Klasse der Wetenschappen 51 (1989),
37–52.
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H. VAN MALDEGHEM, Generalized Quadrangles with Valuation, Geom. Dedicata 35 (1990), 77–87.
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M. JOSWIG & H. VAN MALDEGHEM, An Essay on the Ree Octagons, J. Alg. Combin. 4 (1995), 145–164.
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L. STORME & H. VAN MALDEGHEM, Cyclic Caps in PG(3, q), Geom. Dedicata 56 (1995), 271–284.
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L. KRAMER & H. VAN MALDEGHEM, Compact Ovoids in Quadrangles – I: Geometric Constructions, Geom. Dedicata 78 (1999), 279–300.
L. KRAMER & H. VAN MALDEGHEM, Corrections to: "Compact ovoids in quadrangles. I. Geometric constructionsänd" Compact ovoids in quadrangles. III. Clifford algebras and isoparametric hypersurfaces”, Geom. Dedicata 86 (2001), 249. -
E. GOVAERT & H. VAN MALDEGHEM, Two remarks on generalized hexagons, J. Geom. 67 (2000), 111–116.
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H. VAN MALDEGHEM, Regular actions on generalized polygons, Int. J. Math. 2 (2002), 101–118.
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L.KUIJKEN & H. VAN MALDEGHEM, Fibered geometries, Discrete Math. 255 (2002), 259–274.
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B. MÜHLHERR & H. VAN MALDEGHEM, Codistances in buildings, Innov. Incid. Geom. 10 (2009), 81–91
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T. DE MEDTS & H. VAN MALDEGHEM, Moufang sets of type F4, Math. Z. 265 (2010), 511–527.
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K. STRUYVE & H. VAN MALDEGHEM, Affine twin R-buildings, Discrete Math. 310 (2010), 3278–3286.
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F. HAOT, K. STRUYVE & H. VAN MALDEGHEM, Ree geometries, Forum Math. 23 (2011), 75–98.
- T. GRUNDHÖFER en H.VAN MALDEGHEM, Local sharply transitive actions on finite generalized quadrangles, Ann. Comb. 15 (2011), 69–80.
- R.
KÖHL,
K. MÖSER
& H. VAN MALDEGHEM, The
endomorphism type of certain
bipartite graphs and a
characterization of projective
planes, Graphs
and Combinatorics 29
(2013),
253–257.
- A.
DEVILLERS, J. PARKINSON & H. VAN
MALDEGHEM, Automorphisms and
opposition in twin buildings, J.
Aust. Math. Soc. 94
(2013), 189–201.
- T.
GRUNDHÖFER,
M. STROPPEL & H. VAN MALDEGHEM,
Unitals admitting all translations,
J.
Combin. Des. 21
(2013),
419–431.
- A. DE SCHEPPER & H. VAN MALDEGHEM, Graphs, defined by Weyl distance or incidence, that determine a vector space, Linear Alg. Appl. 449 (2014), 435–464.
- H.
VAN MALDEGHEM, Characterizations
of trialities of type Iid
in
buildings of type D4,
in
"Groups
of exceptional Type, Coxeter
Groups and Related
Geometries" (ed.
N.S. N. Sastry), Springer
Proceedings in Mathematics
& Statistics 82,
Springer, 2014.
-
B.
MÜHLHERR,
K.
STRUYVE & H.
VAN MALDEGHEM, Descent
in affine buidlings, I.
Large minimal angles, Trans.
Amer. Math.
Soc.
366 (2014), 4345–4366.
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J. SCHILLEWAERT & H. VAN MALDEGHEM, Imbrex geometries, J. Combin. Theory Ser. A 127 (2014), 286–302.
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J. SCHILLEWAERT & H. VAN MALDEGHEM, Projective planes over 2-dimensional quadratic algebras, Adv. Math. 262 (2014), 784–822.
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B. DE BRUYN & H. VAN MALDEGHEM, Non-embeddable polar spaces, Münster J. Math. 7 (2014), 557–588
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B. DE BRUYN & H. VAN MALDEGHEM, Dual polar spaces of rank 3 defined over quadratic alternative division algebras, J. Reine
Angew. Math. 715 (2016), 39–74. -
J. SCHILLEWAERT & H. VAN MALDEGHEM, A combinatorial characterization of the Lagrangian Grassmannian LG(3,6), Glasgow Math. J. 58 (2016), 293–311.
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Th. GRUNDHÖFER, M. J. STROPPEL & H. VAN MALDEGHEM, A non-classical unital of order four with many translations, Discr. Math. 339 (2016), 2987–2993.
- J. A. THAS & H. VAN MALDEGHEM, Finite affine planes in projective spaces, Combinatorica 37 (2017), 283–311.
- J. SCHILLEWAERT & H. VAN MALDEGHEM, On the varieties of the second row of the split Freudenthal-Tits Magic Square, Ann. Inst. Fourier 67 (2017), 2265–2305.
- T. GRUNDHÖFER, M. STROPPEL & H. VAN MALDEGHEM, Embeddings of unitals such that each block is a subline, Australas. J. Combin. 79 (2021), 295–301.
- J.
BOKOWSKI
& H. VAN MALDEGHEM, On a
smallest topological triangle
free (n4)
point-line configuration, Art
Discr. Appl. Math. 4
(2021) # P3.08, 17pp.
- A. M. COHEN, A. DE SCHEPPER, J. SCHILLEWAERT & H. VAN MALDEGHEM, Shult's Haircut Theorem revisited, European J. Combin. 102 (2022), Paper No. 103503, 16pp.
- A. DE SCHEPPER, N. S. N. SASTRY & H. VAN MALDEGHEM, Buildings of exceptional type in buildings of type E7, Dissertationes Math. 573 (2022), 1–80.
- T. GRUNDHÖFER, M. STROPPEL & H. VAN MALDEGHEM, Finite subunitals of the Hermitian unitals, J. Geom. 113 (2022), 1–8.
- A.
DE SCHEPPER, J. SCHILLEWAERT, H.
VAN MALDEGHEM & M. VICTOOR,
A geometric characterization of
Hjelmslev-Moufang planes, Quart.
J. Math. 73 (2022),
369–394.
- T. GRUNDHÖFER, M. STROPPEL & H. VAN MALDEGHEM, Linear spaces embedded into projective space via Baer sublines, Combinatorial Theory 2 (2022), #4, 14pp.
- T. GRUNDHÖFER, M. STROPPEL & H. VAN MALDEGHEM, Moufang sets generated by translations in unitals, J. Combin. Des. 30 (2022), 91–104.
- H. VAN MALDEGHEM & M. VICTOOR, On Severi varieties as intersections of a minimum number of quadrics, Cubo 24 (2022), 307–331.
- J. MEULEWAETER & H. VAN MALDEGHEM, Convex subspaces of Lie incidence geometries, Combinatorial Theory 2 (2022), Paper No. 13, 28pp.
- J. PARKINSON & H. VAN MALDEGHEM, Automorphisms and opposition in spherical buildings of exceptional type, I., Canad. J. Math. 74 (2022), 1517–1578.
- T. GRUNDHÖFER, M. STROPPEL & H. VAN MALDEGHEM, Unitals with many involutory translations, Beitr. Algebra Geom. 64 (2023), 287–297.
- S. PETIT & H. VAN MALDEGHEM, Generalized hexagons embedded in metasymplectic spaces, J. Korean Math. Soc. 60 (2023), 907–929.
- H. VAN MALDEGHEM, The geometry of the Freudenthal-Tits Magic Square, in Algebraic Combinatorics and the Monster Group (ed. A.A. Ivanov), London Math. Soc. Lect. Notes Ser. 487 (2023), 289–326.
- A. PASINI & H. VAN MALDEGHEM, Ovoidal maximal subspaces of polar spaces, in Algebraic Combinatorics and the Monster Group (ed. A. A. Ivanov), London Math. Soc. Lect. Notes Ser. 487 (2023), 369–402.
- A. DE SCHEPPER & H. VAN MALDEGHEM, On inclusions of exceptional long root geometries of type E, Innov. Incidence Geom. 20 (2023), 247–293.
- B. MÜHLHERR & H. VAN MALDEGHEM, Moufang quadrangles and affine twin buildings of type C2 (tilde), Innov. Incidence Geom. 20 (2023), 431–441.
- J. PARKINSON & H. VAN MALDEGHEM, Automorphisms and opposition in spherical buildings of exceptional type, II. Moufang hexagons, Innov. Incidence Geom. 20 (2023) 443–470.
- J. ROTH & H. VAN MALDEGHEM, Mixed relations for buildings of type F4, Innov. Incidence Geom. 20 (2023), 543–578.
- A.
DE SCHEPPER, J. SCHILLEWAERT
& H. VAN MALDEGHEM, A
uniform characterisation of the
varieties of the second row of
the Freudenthal-Tits magic
square, J.
Combin. Algebra 7
(2023), 227–282.
- P. JANSEN & H. VAN MALDEGHEM, Parapolar spaces of infinite rank, Adv. Stud. Euro-Tbil. Math. J. 16 (2023). 191–203.
- P. JANSEN & H. VAN MALDEGHEM, Imaginary geometries, Mod. Math. Meth. 1 (2023), 43–92.
- J. A. THAS & H. VAN MALDEGHEM, Suzuki-Tits ovoids through the years, Arch. Math. 121 (2023), 511–521.
- J. MEULEWAETER & H. VAN MALDEGHEM, 3-graphs from vector spaces, Lin. Alg. Appl. 690 (2024), 91–111.
- A.
DE SCHEPPER, J. SCHILLEWAERT, H.
VAN MALDEGHEM & M. VICTOOR,
Constructions and
characterization of the
varieties of the third row of
the Freudenthal-Tits magic
square, Geom.
Dedicata 218
(2024), Paper No. 20, 57pp.
- A.
DE SCHEPPER, J. SCHILLEWAERT
& H. VAN MALDEGHEM, On the
generating rank and embedding
rank of the hexagonic Lie
incidence geometries, Combinatorica
44
(2024), 355–392
- A.
PASINI & H. VAN MALDEGHEM,
An essay on Freudenthal-Tits
polar spaces, J.
Algebra 656
(2024), 367–393.
- J.
PARKINSON & H. VAN
MALDEGHEM, Automorphisms and
opposition in spherical
buildings of classical type, Adv.
Geom. 24
(2024), 287–321.
- L. LAMBRECHT & H. VAN MALDEGHEM, Automorphisms and opposition in spherical buildings of exceptional type, III. Metasymplectic spaces, submitted
- Y. NEYT & H. VAN MALDEGHEM, Polar kangaroos of type E6, submitted
- F.
IHRINGER, P. JANSEN, L.
LAMBRECHT, Y. NEYT, D.
RIJPERT, H. VAN MALDEGHEM
& M. VICTOOR, Local
recognition of the point
graphs of some Lie incidence
geometries, submitted
- P. JANSEN, J. SCHILLEWAERT & H. VAN MALDEGHEM, Embedded metasymplectic spaces of type F4,4, submitted
- B.
N. COOPERSTEIN & H. VAN
MALDEGHEM, Subgeometries
isomorphic to residues in
exceptional Lie incidence
geometries, to appear in Bull.
Belg. Math. Soc. Simon Stevin.
- P. JANSEN & H. VAN MALDEGHEM, Subgeometries of (exceptional) Lie incidence geometries induced by maximal root subsystems, to appear in Münster J. Math.
- Y. NEYT, J. PARKINSON, H. VAN MALDEGHEM & M. VICTOOR, Automorphisms and opposition in spherical buildings of exceptional type, IV. Buildings of type E7, submitted
- H. VAN MALDEGHEM, Hyperplanes of Segre geometries, to appear in Ars Combin.
- S.
BUSCH & H. VAN MALDEGHEM,
Projectivities and elations in
polar spaces, in progress
- J. PARKINSON & H. VAN MALDEGHEM, Automorphisms and opposition in spherical buildings of exceptional type, V. Buildings of type E8, in progress
- Y. NEYT, J. PARKINSON & H. VAN MALDEGHEM, Uniclass automorphisms of spherical buildings, submitted
- Y. NEYT, J. PARKINSON & H. VAN MALDEGHEM, Automorphisms of Lie incidence geometries with spectral gaps, in progress
- J. PARKINSON, D. RIJPERT & H. VAN MALDEGHEM, Weyl substructures of spherical buildings, in progress
- P. ABRAMENKO & H. VAN MALDEGHEM, Graphs and incidence geometries from buildings of arbitrary type, in progress
- B. MÜHLHERR & H. VAN MALDEGHEM, Affine twin buildings of type C2 tilde, in progress
- S. BUSCH, J. SCHILLEWAERT & H. VAN MALDEGHEM, Grous of projectivities and Levi subgroups in spherical buildings of simply laced type, submitted.
- S. BUSCH & H. VAN MALDEGHEM, A characterisation of lines in finite Lie incidence geometries of exceptional type, in progress
- S. BUSCH & H. VAN MALDEGHEM, A characterisation of lines in finite Lie incidence geometries of classical type, submitted.
- L. LAMBRECHT & H. VAN MALDEGHEM, Subgeometries in residues of metasymplectic spaces, in progress
- D. MITROVIC, J. SCHILLEWAERT & H. VAN MALDEGHEM, Local recognition of affine rank 3 graphs, submitted
Books
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H. VAN MALDEGHEM, Generalized Polygons, Birkhaüser Verlag, Basel, Boston, Berlin, Monographs in Mathematics 93, 1998, 506 pp. ISBN 3-7643-5864-5
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J. A. THAS, K. THAS & H. VAN MALDEGHEM, Translation Generalized Quadrangles, World Scientific Publishing, Hackensack, 2006.
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A. E. BROUWER & H. VAN MALDEGHEM, Strongly regular graphs, Cambridge University Press, Cambridge, 2022.
Here you can find the preprint database of the Incidence Geometry Research Group of our department
Publications in Dutch
- Over de stellingen van Menelaos en Ceva,
Wiskunde en Onderwijs 58 (1989), 155–161 (with L. Van Maldeghem). - Wiskunde is ook Wiskunst,
Wiskunde en Onderwijs 84 (1995), 398–401. - Enkele aspecten van het meetkunde onderwijs,
Wiskunde en Onderwijs 93 (1998), 9–17. - Het natuurlijk getal 25,
Wiskunde en Onderwijs 103 (2000), 296–304. - Meetkunde: Waar komt het vandaan, en Waar gaat het heen?
Wiskunde en Onderwijs 121 (2005), 14–25. - 40 jaar VVWL, 40 problemen (I: 1975–1987),
Wiskunde en Onderwijs 170 (2017), 128–136. - 40 jaar VVWL, 40 problemen (II: 1988–1999),
Wiskunde en Onderwijs 171 (2017), 245–256. - 40 jaar VVWL, 40 problemen (III: 2000–2014),
Wiskunde en Onderwijs 172 (2017), 314–352.
Editorships
Editor-in-Chief of
- Journal of Algebraic Combinatorics
2005–2017 - Algebraic Combinatorics
since 2018 - Bulletin of the Belgian Mathematical Society–Simon Stevin
2001–2012 - Innovations in Incidence Geometry
2005–2021
Editor of
- Advances in Geometry
2000–2023 - Noti di Matematica
since 2021 - Bulletin of the Belgian Mathematical Society–Simon Stevin
since 2001 - Innovations in Incidence Geometry
since 2005