Academic Honours

List of Publications


  1. H. VAN MALDEGHEM, σ-Homotopy Groups of Coxetercomplexes, Simon Stevin 58 (1984), 35–63.

  2. H. VAN MALDEGHEM, Characterization of the Free σ-Homotopy Groups of Coxetercomplexes, Simon Stevin 60 (1986), 353– 368.

  3. H. VAN MALDEGHEM, Non-Classical Triangle Buildings, Geom. Dedicata 24 (1987), 123–206.

  4. H. VAN MALDEGHEM, On Locally Finite Alternative Division Rings with Valuation, J. Geometry 30 (1987), 42–48.

  5. G. HANSSENS & H. VAN MALDEGHEM, A New Look at the Classical Generalized Quadrangles, Ars Combin. 24 (1987), 199–210.

  6. G. HANSSENS & H. VAN MALDEGHEM, Coordinatization of Generalized Quadrangles, Ann. Discrete Math. 37 (1988), 195–208.

  7. H. VAN MALDEGHEM,Valuations on PTR's Induced by Triangle Buildings, Geom. Dedicata 26 (1988), 29–84.

  8. H. VAN MALDEGHEM, Quadratic Quaternary Rings with Valuation and Affine Buildings of Type C2, Mitt. Mathem. Sem. Giessen 189 (1989), 1–159.

  9. G. HANSSENS & H. VAN MALDEGHEM, A Note on Near-Barbilian Planes, Geom. Dedicata 29 (1989), 233–235.

  10. G. HANSSENS & H. VAN MALDEGHEM, Algebraic Properties of Quadratic Quaternary Rings, Geom. Dedicata 30 (1989), 43–67.

  11. G. HANSSENS & H. VAN MALDEGHEM, On Projective Hjelmslev Planes of Level n, Glasgow Math. J. 31 (1989), 257–261

  1. G. HANSSENS & H. VAN MALDEGHEM, A Universal Construction for Projective Hjelmslev Planes of Level n, Compositio Math. 71 (1989), 285–294.

  2. H. VAN MALDEGHEM, Generalized Polygons with Valuation, Arch. Math. 53 (1989), 513–520.

  3. H.VAN MALDEGHEN, Affine Buildings of Type C2 , Academia Analecta, Klasse der Wetenschappen 51 (1989), 37–52.

  4. H. VAN MALDEGHEM, A Note on Epimorphisms of Projective Planes, Generalized Quadrangles and Generalized Hexagons, Soochow J. Math. 16 (1990), 7–10.

  5. H. VAN MALDEGHEM, Automorphisms of Non-Classical Triangle Buildings, Bull. Soc. Math. Belg. Ser. B 42 (1990), 201–237.

  6. H. VAN MALDEGHEM, Generalized Quadrangles with Valuation, Geom. Dedicata 35 (1990), 77–87.

  7. H. VAN MALDEGHEM, An Algebraic Characterization of Affine Buildings of Type C2, Mitt. Mathem. Sem. Giessen 198 (1990), 1–42.

  8. H. VAN MALDEGHEM, A Configurational Characterization of the Moufang Generalized Polygons, European J. Combin. 11 (1990), 362–372.

  9. Th. GRUNDHÖFER & H. VAN MALDEGHEM, Topological Polygons and Affine Buildings of Rank Three, Atti Sem. Mat. Fis. Univ. Modena 37 (1990), 459–474.

  10. G. HANSSENS & H. VAN MALDEGHEM, Hjelmslev-Quadrangles of Level n, J. Combin. Theory Ser. (A) 55 (1990), 256–291.

  11. J. A. THAS & H. VAN MALDEGHEM, Generalized Desargues Configurations in Generalized Quadrangles, Bull. Soc. Math. Belg. 42 (1990), 713–722.

  12. J. A. THAS, S. E. PAYNE & H. VAN MALDEGHEM, Half Moufang Implies Moufang for Finite Generalized Quadrangles, Inventiones Math. 105 (1991), 153–156.

  13. H. VAN MALDEGHEM, Common Characterizations of the Finite Moufang Polygons, proceedings van "Third Isle of Thorn Conference on Finite Geometries and Designs" (ed. J. W. P. Hirschfeld et al.), Adv. Finite Geom. and Designs (1991), 391–400.

  14. H. VAN MALDEGHEM, A Characterization of the Finite Moufang Hexagons by Generalized Homologies, Pacific J. Math. 151 (1991), 357–367.

  1. G. HANSSENS & H. VAN MALDEGHEM, A Characterization of C2-Buildings by Floors, Simon Stevin 65 (1991), 217–265.

  2. H. VAN MALDEGHEM, J. A. THAS & S. E. PAYNE, Desarguesian Finite Generalized Quadrangles are Classical or Dual Classical, Des, Codes Cryptogr. 1 (1992), 299–305.

  3. H. VAN MALDEGHEM & R. WEISS, On Finite Moufang Polygons, Israel J. Math. 79 (1992), 321–330.

  4. F. BUEKENHOUT & H. VAN MALDEGHEM, Remarks on Finite Generalized Hexagons and Octagons with a Point-Transitive Automorphism Group, in Finite geometry and Combinatorics (ed. F. De Clerck et al.), Cambridge University Press, London Math. Soc. Lect. Notes Ser. 191 (1993), 89–102.

  5. V. DE SMET & H. VAN MALDEGHEM, Ovoids and Windows in Finite Generalized Hexagons, in Finite geometry and Combinatorics (ed. F. De Clerck et al.), Cambridge University Press, London Math. Soc. Lect. Notes Ser. 191 (1993), 131–138.

  6. H. VAN MALDEGHEM & I. BLOEMEN, Generalized Hexagons as Amalgamations of Generalized Quadrangles, Europ. J. Combin. 14 (1993), 593–604.

  7. V. DE SMET & H. VAN MALDEGHEM, The Finite Moufang Hexagons Coordinatized, Beiträge Alg. Geom. 34 (1993), 217–232.

  8. L. STORME & H. VAN MALDEGHEM, Cyclic arcs in PG(2,q), J. Alg. Combin. 3 (1994), 113–128.

  9. F. DE CLERCK & H. VAN MALDEGHEM, On Linear Representations of (α, β)-geometries, Europ. J. Combin. 15 (1994), 3–11.

  10. F. DE CLERCK & H. VAN MALDEGHEM, On flocks of infinite quadratic cones, Bull. Belg. Math. Soc., Simon Stevin 1 (1994), 399–415.

  11. F. BUEKENHOUT & H. VAN MALDEGHEM, A Characterization of some Rank 2 Incidence Geometries by their Automorphism Group, Mitt. Mathem. Sem. Giessen 218 (1994), 1–70.

  12. A. E. SCHROTH & H. VAN MALDEGHEM, Half Regular and Regular Points in Compact Polygons, Geom. Dedicata 51 (1994), 215–233.

  13. F. BUEKENHOUT & H. VAN MALDEGHEM, Finite Distance Transitive Generalized Polygons, Geom. Dedicata 52 (1994), 41–51.

  1. H. VAN MALDEGHEM, The Non-Existence of certain Regular Generalized Polygons, Arch. Math. 64 (1995), 86–96.

  2. H. VAN MALDEGHEM, The Geometry of Traces in Ree Octagons, in “Groups of Lie Type and their Geometries” (ed. W. M. Kantor en L. Di Martino), Cambridge University Press, London Math. Soc. Lect. Notes Ser. 207 (1995), 157–171.

  3. L. STORME & H. VAN MALDEGHEM, Primitive Arcs in PG(2,q), J. Combin. Theory Ser. (A) 69 (1995), 200–216.

  4. F. DE CLERCK & H. VAN MALDEGHEM, Some Classes of Rank 2 Geometries, in Handbook of Incidence Geometry, Buildings and Foundations (ed. F. Buekenhout), Chapter 10, North Holland (1995), 433–475.

  5. M. JOSWIG & H. VAN MALDEGHEM, An Essay on the Ree Octagons, J. Alg. Combin. 4 (1995), 145–164.

  6. L. STORME & H. VAN MALDEGHEM, Cyclic Caps in PG(3, q), Geom. Dedicata 56 (1995), 271–284.

  7. J. A. THAS & H. VAN MALDEGHEM, The Classification of Finite Generalized Quadrangles admitting an Automorphism Group acting transitively on Ordered Pentagons, J. London Math. Soc. (2) 51 (1995), 209–218.

  8. V. DE SMET & H. VAN MALDEGHEM, A Geometric Construction of a Class of Twisted Field Planes by Ree-Tits Unitals, Geom. Dedicata 58 (1995), 127–143.

  9. L. STORME & H. VAN MALDEGHEM, Arcs Fixed by a Large Cyclic Group, Atti Sem. Mat. Fis. Univ. Modena 43 (1995), 273–280.

  10. V. DE SMET & H. VAN MALDEGHEM, Intersections of Hermitian and Ree Ovoids in the Generalized Hexagon H(q), J. Combin. Designs 4 (1996), 71–81.

  11. J. VAN BON, H. CUYPERS & H. VAN MALDEGHEM, Hyperbolic Lines in Generalized Polygons, Forum Math. 8 (1996), 343–362.

  12. H. VAN MALDEGHEM, A Finite Generalized Hexagon Admitting a Group Acting Transitively on Ordered Heptagons is Classical, J. Comb. Theory Ser. (A) 75 (1996), 254–269.

  13. J. A. THAS & H. VAN MALDEGHEM, Orthogonal, Symplectic and Unitary Polar Spaces Subweakly Embedded in Projective Space, Compositio Math. 103 (1996), 75–93.

  1. J. A. THAS & H. VAN MALDEGHEM, Embedded Thick Finite Generalized Hexagons in Projective Space, J. London Math. Soc. (2) 54 (1996), 566–580.

  2. I. BLOEMEN, J. A. THAS & H. VAN MALDEGHEM, Elation Generalized Quadrangles of Order (p,t), p prime, are Classical, J. Statist. Plann. Inference 56 (1996), 49–55.

  3. H. VAN MALDEGHEM, A Geometric Characterization of the Perfect Suzuki-Tits Ovoids, J. Geom. 58 (1997), 192–202.

  4. J. A. THAS & H. VAN MALDEGHEM, Sub-weakly Embedded Singular and Degenerate Polar Spaces, Geom. Dedicata 65 (1997), 291–298.

  5. H. VAN MALDEGHEM & K. VANSTEEN, Moufang Affine Buildings have Moufang Spherical Buildings at Infinity, Glasgow Math. J. 39 (1997), 237–241.

  6. J. A. THAS & H. VAN MALDEGHEM, Generalized Quadrangles and the Axiom of Veblen, in Geometry, Combinatorial Designs and Related Structures (ed. J. W. P. Hirschfeld), Cambridge University Press, London Math. Soc. Lecture Note Ser. 245 (1997), 241–253.

  7. H. VAN MALDEGHEM, On Finite Conics, Bull. Inst. Combin. Appl. 22 (1998), 91–92.

  8. H. VAN MALDEGHEM, A note on Finite Self-Polar Generalized Hexagons and Partial Quadrangles, J. Combin. Theory Ser. (A) 81 (1998), 119–120.

  9. H. VAN MALDEGHEM, Ovoids and Spreads arising from Involutions, in "Groups and Geometries" (ed. A. Pasini et al.), Birkhäuser Verlag, Basel, Trends in Mathematics (1998), 231–236.

  10. H. VAN MALDEGHEM, A Geometric Characterization of the Perfect Ree-Tits Generalized Octagons, Proc. London Math. Soc. (3) 76 (1998), 203–256.

  11. L. BROUNS & H. VAN MALDEGHEM, Characterizations for Classical Finite Hexagons, in "Finite Geometry and Combinatorics" (ed. F. De Clerck et al.), Bull. Belg. Math. Soc. Simon Stevin 5 (1998), 163–176.

  12. B. MÜHLHERR & H. VAN MALDEGHEM, On certain Twin Buildings over Tree Diagrams, in "Finite Geometry and Combinatorics" (ed. F. De Clerck et al.), Bull. Belg. Math. Soc. Simon Stevin 5 (1998), 393–402.

  13. H. VAN MALDEGHEM, On the Dimensions of the Root Groups of Full Subquadrangles of Moufang Quadrangles arising from Algebraic Groups, in " Finite Geometry and Combinatorics" (ed. F. De Clerck et al.), Bull. Belg. Math. Soc. Simon Stevin 5 (1998), 469–475.

  1. H. VAN MALDEGHEM, Some Consequences of a Result of Brouwer, Ars Combin. 48 (1998), 185–190.

  2. I. BLOEMEN, J. A. THAS & H. VAN MALDEGHEM, Translation Ovoids of Generalized Quadrangles and Hexagons, Geom. Dedicata 72 (1998), 19–62.

  3. H. VAN MALDEGHEM & K. VAN STEEN, Characterizations by Automorphism Groups of Some Rank 3 Buildings – I: Some Properties of Half Strongly-Transitive Triangle Buildings, Geom. Dedicata 73 (1998), 119–142.

  4. L. BROUNS, K. TENT & H. VAN MALDEGHEM, Groups of Projectivities of Generalized Quadrangles, Geom. Dedicata 73 (1998), 165–180.

  5. J. A. THAS & H. VAN MALDEGHEM, Generalized Quadrangles Weakly Embedded in Finite Projective Space, J. Statist. Plann. Inference 73 (1998), 353–361.

  6. L. KUIJKEN, H. VAN MALDEGHEM & E. E. KERRE, Fuzzy Projective Geometries from Fuzzy Vector Spaces, in "Information Processing and Management of Uncertainty in Knowledge-based Systems, Editions Médicales et Scientifiques," Paris, La Sorbonne (1998), 1331–1338.

  7. J. A. THAS & H. VAN MALDEGHEM, Flat Lax and Weak Lax Embeddings of Finite Generalized Hexagons, European J. Combin. 19 (1998), 733–751.

  8. H. VAN MALDEGHEM, Groups and generalized polygons, in Algebraic Combinatorics (Kyoto, 1998), Sürikaisekikenkyüsho Kökyüroku 1063 (1998), 1–6.

  9. H. VAN MALDEGHEM & K. VAN STEEN, Characterizations by Automorphism Groups of Some Rank 3 Buildings – II: A Half Strongly-Transitive Locally Finite Triangle Building is a Bruhat-Tits Building, Geom. Dedicata 74 (1999), 113–133.

  10. A. STEINBACH & H. VAN MALDEGHEM, Generalized Quadrangles Weakly Em- bedded of Degree > 2 in Projective Space, Forum Math. 11 (1999), 139–176.

  11. H. VAN MALDEGHEM & K. VAN STEEN, Characterizations by Automorphism Groups of Some Rank 3 Buildings, – IV. Hyperbolic p-adic Moufang Buildings of Rank 3, Geom. Dedicata 75 (1999), 115–122.

  12. J. A. THAS & H. VAN MALDEGHEM, Lax Embeddings of Polar Spaces in Finite Projective Spaces, Forum Math. 11 (1999), 349–367.

  13. B. MÜHLHERR & H. VAN MALDEGHEM, Exceptional Moufang Quadrangles of Type F4, Canad. J. Math. 51 (1999), 347–371.

  1. L. KUIJKEN, H. VAN MALDEGHEM & E. E. KERRE, Fuzzy Projective Geometries from Fuzzy Groups, Tatra Mt. Math. Publ. 16 (1999), 95–108.

  2. P. ABRAMENKO & H. VAN MALDEGHEM, Connectedness of Opposite-Flag Geometries in Moufang Polygons, European J. Combin. 20 (1999), 461–468.

  3. J. A. THAS & H. VAN MALDEGHEM, On Embeddings of the Flag Geometries of Projective Planes in Finite Projective Spaces, Des. Codes Cryptogr. 17 (1999), 97–104.

  4. H. VAN MALDEGHEM, Finite Generalized Quadrangles as the Union of Few Large Subquadrangles, Discrete Math. 208/209 (1999), 589–605.

  5. 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 constructions, II Compact ovoids in quadrangles. III. Clifford algebras and isoparametric hypersurfaces”,     Geom. Dedicata 86 (2001), 249.

  6. L. KRAMER, K. TENT & H. VAN MALDEGHEM, Simple Groups of Finite Morley Rank and Tits Buildings, Israel J. Math. 109 (1999), 189–224.

  7. A. STEINBACH & H. VAN MALDEGHEM, Generalized quadrangles weakly embedded of degree 2 in projective space, Pacific J. Math. 193 (2000), 227–248.

  8. J. A. THAS & H. VAN MALDEGHEM, Classification of embeddings of the flag geometries of projective planes in finite projective spaces, Part 1, J. Combin. Theory Ser.  (A) 90 (2000), 159–172.

  9. J. A. THAS & H. VAN MALDEGHEM, Classification of embeddings of the flag geometries of projective planes in finite projective spaces, Part 3, J. Combin. Theory Ser. (A) 90 (2000), 173–196.

  10. E. GOVAERT & H. VAN MALDEGHEM, Two remarks on generalized hexagons, J. Geom. 67 (2000), 111–116.

  11. J. A. THAS & H. VAN MALDEGHEM, Some remarks on embeddings of the flag geometries of projective planes in finite projective spaces, J. Geom. 67 (2000), 217–222.

  12. J. A. THAS & H. VAN MALDEGHEM, Classification of embeddings of the flag geometries of projective planes in finite projective spaces, Part 2, J. Combin. Theory Ser.  (A) 90 (2000), 241–256.

  1. P. ABRAMENKO & H. VAN MALDEGHEM, On opposition in spherical buildings and twin buildings, Annals of Combinatorics 4 (2000), 125–137.

  2. E. GOVAERT & H. VAN MALDEGHEM, Some combinatorial and geometric characterizations of the finite dual classical generalized hexagons, J. Geom. 68 (2000), 87–95.

  3. R. GRAMLICH & H. VAN MALDEGHEM, Epimorphisms of generalized polygons, Part 1: Geometrical characterizations, Des. Codes Cryptogr. 21 (2000), 99–111.

  4. H. VAN MALDEGHEM, Distance transitive generalized quadrangles of prime order, Geom. Dedicata 83 (2000), 207 – 210.

  5. K. COOLSAET & H. VAN MALDEGHEM, Some new upper bounds for the size of partial ovoids in slim generalized polygons and generalized hexagons of order (s, s3), J. Alg. Comb. 12 (2000), 107–113.

  6. H. VAN MALDEGHEM, An elementary construction of the split Cayley hexagon H(2), Atti Sem. Mat. Fis. Univ. Modena 48 (2000), 463–471.

  7. J. A. THAS & H. VAN MALDEGHEM, Lax embeddings of generalized quadrangles in finite projective spaces, Proc. London Math.. Soc. (3) 82 (2001), 402–440.

  8. H. VAN MALDEGHEM, Sharply 2-transitive groups of projectivities in generalized polygons, Discr. Math. 234 (2001), 89–100.

  9. B. POLSTER & H. VAN MALDEGHEM, Some constructions of small generalized polygons, J. Combin. Theory Ser. (A) 96 (2001), 162–179.

  10. K.TENT & H. VAN MALDEGHEM,On irreducible (B,N)-pairs of rank 2, Forum Math. 13 (2001), 853–862.

  11. P. ABRAMENKO & H. VAN MALDEGHEM, 1-twinnings of buildings, Math. Z. 238 (2001), no. 1, 187–203.

  12. B. POLSTER, A. E. SCHROTH & H. VAN MALDEGHEM, Generalized flatland, Math. Intelligencer 23 (2001), 33–47.   (facing pages)

  13. E. GOVAERT & H. VAN MALDEGHEM, Two characterizations of the Hermitian spread in the split Cayley hexagon, in "Finite Geometries," Proceedings of the Fourth Isle of Thorns Conference (eds. A. Blokhuis et al), Developments in Mathematics 3, Kluwer Academic Publishers, Dordrecht, Boston, London (2001), 171–176.

  1. R. GRAMLICH & H. VAN MALDEGHEM, Epimorphisms of generalized polygons, Part 2: Some existence and nonexistence results, in "Finite Geometries," Proceedings of the Fourth Isle of Thorns Conference (eds. A. Blokhuis et al), Developments in Mathematics 3, Kluwer Academic Publishers, Dordrecht, Boston, London (2001), 177–200.

  2. B. MÜHLHERR & H. VAN MALDEGHEM, Diagrams for embeddings of polygons, in "Finite Geometries," Proceedings of the Fourth Isle of Thorns Conference (eds. A. Blokhuis et al), Developments in Mathematics 3, Kluwer Academic Publishers, Dordrecht, Boston, London (2001), 277–293.

  1. H. VAN MALDEGHEM, Generalized polygons in projective spaces, in "Generalized Polygons," Proceedings of the Academy Contact Forum 20 October 2000 (eds. F. De Clerck et al.), Koninklijke Vlaamse Academie van België voor Wetenschappen en Kunsten, Unversa Press, Belgium (2001), 173–200.

  2. H. VAN MALDEGHEM, Regular actions on generalized polygons, Int. J. Math. 2 (2002), 101–118.

  3. H. VAN MALDEGHEM, An introduction to generalized polygons, in Tits Buildings and the Model Theory of Groups (Ed. K. Tent), Cambriage University Press,  London Math. Soc. Lect. Notes Ser. 291 (2002), 23–57.

  4. H. VAN MALDEGHEM, On a question of Arjeh Cohen: A characterization of Moufang projective planes, Bull. Inst. Combin. Appl. 35 (2002), 11–13.

  5. K. TENT & H. VAN MALDEGHEM, BN-pairs with projective or affine lines, J. Reine Angew. Math. 544 (2002), 223–236.

  6. E. GOVAERT & H. VAN MALDEGHEM, Distance-preserving maps in generalized polygons, Part I: Maps on flags, Beitr. Alg. Geom. 43 (2002), 89–110.

  7. L. BROUNS, J. A. THAS & H. VAN MALDEGHEM, m-Clouds in generalized hexagons, Discrete Math. 255 (2002), 25–33.

  8. L.KUIJKEN & H. VAN MALDEGHEM, Fibered geometries, Discrete Math. 255 (2002), 259–274.

  9. L. BROUNS, J. A. THAS & H. VAN MALDEGHEM, A characterization of Q(5,q) using one subquadrangle Q(4,q), European J. Combin. 23 (2002), 163–177.

  10. P. GOVAERTS, L. STORME & H. VAN MALDEGHEM, On a particular class of minihypers and its applications, III. Applications. European J. Combin. 23 (2002), 659–672.

  1. P. ABRAMENKO & H. VAN MALDEGHEM, Characterizations of generalized polygons and opposition in rank 2 twin buildings, J. Geom. 74 (2002), 7–28.

  2. H. VAN MALDEGHEM, Ten Exceptional geometries from trivalent distance regular graphs, Annals of Combinatorics 6 (2002), 209–228.

  3. E. GOVAERT & H. VAN MALDEGHEM, Distance-preserving maps in generalized polygons, Part II: Maps on points and/or lines, Beitr. Alg. Geom. 43 (2002), 303–324.

  4. A. PASINI & H. VAN MALDEGHEM, Some constructions and embeddings of the Tilde Geometry, Note di Matematica 21 (2002-2003), 1–33.

  5. K. TENT & H. VAN MALDEGHEM, Moufang polygons and irreducible spherical BN-pairs of rank 2, I., Adv. Math. 174 (2003), 254–265.

  6. J. A. THAS & H. VAN MALDEGHEM, Characterizations of quadric and Hermitian Veroneseans over finite fields, J. Geom. 76 (2003), 282–293.

  7. L. KUIJKEN & H. VAN MALDEGHEM, On the definition and some conjectures of fuzzy projective planes by Gupta and Ray, and a new definition of fuzzy building geometries, Fuzzy Sets and Systems 138 (2003), 667–685.

  8. H. VAN MALDEGHEM, Some remarks on Steiner systems, Des. Codes Cryptogr. 29 (2003), 199–213.

  9. E. GOVAERT & H. VAN MALDEGHEM, Forgetful polygons as generalizations of semi-affine planes, Discr. Math. 271 (2003), 71–100.

  10. T. GRUNDHÖFER & H. VAN MALDEGHEM, Sharp homogeinity in some generalized polygons, Arch. Math. 81 (2003), 491–496.

  1. R. L. LÖWEN, G. STEINKE & H. VAN MALDEGHEM, Affine line systems in finite dimensional vector spaces, Adv. Geom., Special Issue dedicated to Adriano Barlotti (2003), 59–74.

  2. T. DE MEDTS & H. VAN MALDEGHEM, Moufang generalized polygons, in “Topics in Diagram Geometry” (ed. A. Pasini), Quaderni di Matematica 12 (2003), 59–126.

  3. H. VAN MALDEGHEM, Slim and bislim geometries, in “Topics in Diagram Geometry” (ed. A. Pasini), Quaderni di Matematica 12 (2003), 227–254.

  4. J. A. THAS & H. VAN MALDEGHEM, Classification of finite Veronesean caps, European J. Combin. 25 (2004), 275–285.

  1. J. A. THAS & H. VAN MALDEGHEM, Characterizations of the finite quadric Veroneseans V2n, Quart. J. Math. 55 (2004), 99–113.

  2. F. HAOT & H. VAN MALDEGHEM, Some characterizations of Moufang generalized quadrangles, Glasgow Math. J. 46 (2004), 335–343.

  3. A. OFFER & H. VAN MALDEGHEM, Spreads and ovoids translation with respect to disjoint flags, Des. Codes Cryptogr. 32 (2004), 351–367.

  4. A. De WISPELAERE & H. VAN MALDEGHEM, A distance-2-spread of the generalized hexagon H(3), Annals of Combinatorics 8 (2004), 133–154.

  5. B. COOPERSTEIN, J. A. THAS & H. VAN MALDEGHEM, Hermitian Veroneseans over finite fields, Forum Math. 16 (2004), 365–381.

  6. J. A. THAS & H. VAN MALDEGHEM, Full embeddings of the finite dual split Cayley hexagons, Combinatorica 24 (2004), 681–698.

  7. A. STEINBACH & H. VAN MALDEGHEM, Regular embeddings of generalized hexagons, Canad. J. Math. 56 (2004), 1068–1093.

  8. P. ABRAMENKO & H. VAN MALDEGHEM, Maps between buildings that preserve a given Weyl distance, Indag. Mathem. 15 (2004), 305–319.

  9. T. GRUNDHÖFER & H.VAN MALDEGHEM, Sharp homogeneity in affine planes, and in some affine generalized polygons, Abh. Mathem. Sem. Univ. Hamburg 74 (2004), 163–174.

  10. J. A. THAS & H. VAN MALDEGHEM, Some characterizations of finite Hermitian Veroneseans, Des. Codes Cryptogr. 34 (2005), 283–293.

  11. A. OFFER, K. THAS & H. VAN MALDEGHEM, Generalized quadrangles with an ovoid that is translation with respect to opposite flags,  Archiv Math. 84 (2005), 375–384.

  12. J. A. THAS & H. VAN MALDEGHEM, On Ferri’s characterization of the finite quadric Veronesean V24, J. Combin. Theory Ser. (A) 110 (2005), 217–221.

  13. J. DE KAEY & H. VAN MALDEGHEM, A characterization of the split Cayley generalized hexagon H(q) using one subhexagon of order (1, q), Discr. Math. 294 (2005), 109–118.

  14. A. OFFER & H. VAN MALDEGHEM, Distance-j ovoids and related structures in generalized polygons, Discr. Math. 294 (2005), 147–160.

  1. K. THAS & H. VAN MALDEGHEM, Moufang-like conditions for generalized quadrangles and classification of all finite quasi-transitive generalized quadrangles, Discr. Math. 294 (2005), 203–217.

  2. T. DE MEDTS, F. HAOT, K. TENT en H. VAN MALDEGHEM, Split BN-pairs of rank at least 2 and the uniqueness of splittings, J. Group Theory 8 (2005), 1–10.

  3. H. VAN MALDEGHEM & V. VER GUCHT, Bi-slim flag-transitive geometries of gonality 3: construction and classification, Ars Combin. 75 (2005), 75–96.

  4. J. A. THAS & H. VAN MALDEGHEM, Generalized polygons in finite projective spaces, in "Distance-Regular Graphs and Finite Geometry," Proceedings of Com2Mac (ed. S. Bang and J. H. Koolen), July 2004, Busan (2005), 57–71.

  5. A. DE WISPELAERE & H. VAN MALDEGHEM, Codes from generalized hexagons, Des. Codes Cryptogr. 37 (2005), 435–448.

  6. A. DE WISPELAERE, J. HUIZINGA & H. VAN MALDEGHEM, Ovoids and spreads of the generalized hexagon H(3), Discr. Math. 305 (2005), 299–311.

  7. A. DE WISPELAERE & H. VAN MALDEGHEM, A Hölz-design in the generalized hexagon H(q), Bull. Belg. Math. Soc. Simon Stevin 12 (2005), 781–791.

  8. F. HAOT & H. VAN MALDEGHEM, A half 3-Moufang quadrangle is Moufang, Bull. Belg. Math. Soc. Simon Stevin 12 (2005), 805–811.

  9. M. STROPPEL & H. VAN MALDEGHEM, Automorphisms of unitals, Bull. Belg. Math. Soc. Simon Stevin 12 (2005), 895–908.

  10. H. VAN MALDEGHEM & V. VER GUCHT, Some properties of the Biggs-Smith geometry, Bull. Belg. Math. Soc. Simon Stevin 12 (2005), 919–924.

  11. P. ABRAMENKO & H. VAN MALDEGHEM, Combinatorial characterizations of convexity and apartments in buildings, Australas. J. Combin. 34 (2006), 89–104.

  12. B. MÜHLHERR & H. VAN MALDEGHEM, Moufang sets from groups of mixed type, J. Algebra 300 (2006), 820– 833.

  13. J. A. THAS & H. VAN MALDEGHEM, Finite Moufang generalized quadrangles, Journal of Mathematical Sciences 137 (2006), 5037–5048.

  14. R. GRAMLICH & H. VAN MALDEGHEM, Intransitive geometries, Proc. London Math. Soc. (3) 93 (2006), 666–692

  15. Z. AKÇA, A. BAYAR, S. EKMEKÇI & H. VAN MALDEGHEM, Fuzzy projective spreads of fuzzy projective spaces, Fuzzy Sets and Systems 157 (2006), 3237–3247.

  1. J. A. THAS & H. VAN MALDEGHEM, Embeddings of small generalized polygons, Finite Fields Appl. 12 (2006), 565–594.

  2. J. DE KAEY, A. OFFER & H. VAN MALDEGHEM, On a characterization of the finite twisted triality hexagons using one classical ideal split Cayley subhexagon, Innov. Incid. Geom. 4 (2006), 27–52.

  3. M. R. BROWN, C. TONESI & H. VAN MALDEGHEM, A group theoretic approach to (0, 2)-geometries, in "Finite Geometries, Groups, and Computation," Walter de Gruyter, Berlin (2006), 17–31.

  4. T. DE MEDTS, F. HAOT, R. KNOP & H. VAN MALDEGHEM, On the uniqueness of the unipotent subgroups of some Moufang sets, in "Finite Geometries, Groups, and Computation," Walter de Gruyter, Berlin (2006), 43–66.

  5. A. DEVILLERS & H. VAN MALDEGHEM, Partial linear spaces built on hexagons, European J. Combin. 28 (2007), 901–915.

  6. H. VAN MALDEGHEM, Moufang lines defined by (generalized) Suzuki groups, European J. Combin. 28 (2007), 1878–1889.

  7. A. DE WISPELAERE & H. VAN MALDEGHEM, Common point reguli of different generalized hexagons on Q(6,q), European J. Combin. 28 (2007), 1922–1933.

  8. A. DE WISPELAERE & H. VAN MALDEGHEM, Unitals in the Hölz-design on 28 points, J. Combin. Theory Ser. (A) 114 (2007), 265–277.

  9. H. VAN MALDEGHEM & V. VER GUCHT, Transitive bislim geometries of gonality 3. I. The geometrically homogeneous cases, European J. Combin. 28 (2007), 1530–1551.

  10. J. DE KAEY, A. OFFER & H. VAN MALDEGHEM, On the nonexistence of certain Hughes generalized quadrangles, Des. Codes Cryptogr. 44 (2007), 87–96.

  11. A. COSSIDENTE & H. VAN MALDEGHEM, The simple exceptional group G2(q), q even, and two-character sets, J. Combin. Theory Ser. (A) 114 (2007), 964–969.

  12. J. A. THAS & H. VAN MALDEGHEM, 1-polarized pseudo-hexagons, Innov. Incid. Geom. 6 (2007), 95–113.

  13. A. DE WISPELAERE & H. VAN MALDEGHEM, Regular partitions of (weak) finite generalized polygons, Des. Codes Cryptogr. 47 (2008), 53–73.

  14. J. A. THAS & H. VAN MALDEGHEM, Generalized hexagons and Singer geometries, Des. Codes Cryptogr. 47 (2008), 249–266.

  1. K. THAS & H. VAN MALDEGHEM, Geometric characterizations of finite Chevalley groups of type B2, Trans. Amer. Math. Soc. 360 (2008), 2327–2357.

  2. S. DE WINTER & H. VAN MALDEGHEM, The automorphism group of a class of strongly regular graphs related to Q(6, q), European J. Combin. 29 (2008), 617–621.

  3. K. STRUYVE & H. VAN MALDEGHEM, Moufang quadrangles of mixed type, Glasgow Math. J. 50 (2008), 143–161.

  4. R. GRAMLICH, M. HORN, A. PASINI & H. VAN MALDEGHEM, Intransitive geometries and fused amalgams, J. Group Theory 11 (2008), 443–464.

  5. J. A. THAS & H. VAN MALDEGHEM, A characterization of the natural embedding of the split Cayley hexagon H(q) in PG(6, q) by intersection numbers, European J. Combin. 29 (2008), 1502–1506.

  6. A. DE WISPELAERE & H. VAN MALDEGHEM, Some new two-character sets in PG(5,q2) and a distance-2-ovoid in the generalized hexagon H(4), Discrete Math. 308 (2008), 2976–2983.

  7. C. SCHNEIDER & H. VAN MALDEGHEM, Primitive flag-transitive generalized hexagons and octagons, J. Combin. Theory Ser (A) 115 (2008), 1436–1455.

  8. H. CUYPERS, A. DE WISPELAERE & H. VAN MALDEGHEM, One-point extensions of generalized hexagons, Discrete Math. 309 (2009), 341–353.

  9. B. TEMMERMANS & H. VAN MALDEGHEM, Some characterizations of the exceptional planar embedding of W(2), Electr. Notes Discrete Math. 309 (2009), 491–496.

  10. H. VAN MALDEGHEM, Semiaffine spaces, Electron. J. Combin. 16 (2009), Research Paper 18, 10 pp.

  11. T. DEMEDTS & H. VAN MALDEGHEM, The uniqueness of a generalized hexagon of order 3 containing a subhexagon of order (1,3), Discrete Math. 309 (2009), 714–720.

  12. P. ANAPA, I. GUNALTILI & H. VAN MALDEGHEM, Planar and affine spaces, Discrete Math. 309 (2009), 2897–2904.

  13. D. KEPPENS & H. VAN MALDEGHEM, A characterization of embeddings of projective Klingenberg planes, Contr. Alg. Geom. 50 (2009), 483–493.

  14. B. TEMMERMANS, J. A. THAS & H. VAN MALDEGHEM, Collineations and dualities of finite generalized polygons, Combinatorica 29 (2009), 569–594.

  1. B. MÜHLHERR &  H. VAN MALDEGHEM, Codistances in buildings, Innov. Incid. Geom. 10 (2009), 81–91

  2. A. DE WISPELAERE & H. VAN MALDEGHEM,On the Hall-Janko graph with 100 vertices and the near-octagon of order (2,4), Contr. Discrete Math. 4 (2009), 37–58

  3. P. ABRAMENKO & H. VAN MALDEGHEM, Intersections of Apartments, J. Combin. Theory Ser (A) 117 (2010), 440–453.

  4. K. STRUYVE & H. VAN MALDEGHEM, Generalized polygons with non-discrete valuation defined by two-dimensional affine R-buildings, Adv. Geom. 10 (2010), 465–476.

  5. A. DE WISPELAERE, J. HUIZINGA en H. VAN MALDEGHEM, Veronesean embeddings of Hermitian unitals, European J. Combin. 31 (2010), 1594–1610.

  6. T. DE MEDTS & H. VAN MALDEGHEM, Moufang sets of type F4, Math. Z. 265 (2010), 511–527.

  7. A. DE WISPELAERE, J. A. THAS & H. VAN MALDEGHEM, A characterization of the Grassmann embedding of H(q), with q even, Des. Codes Cryptogr. 55 (2010), 212–130.

  8. G. F. STEINKE & H. VAN MALDEGHEM, Generalized quadrangles and projective axes of symmetry, Beiträge Algebra Geom. 51 (2010), 191–207.

  9. J. A. THAS & H. VAN MALDEGHEM, André embeddings of affine planes, Contemporary Mathematics 523 (2010), 123–131.

  10. H. VAN MALDEGHEM & V. VER GUCHT, Transitive bislim geometries of gonality 3, II. The group theoretic cases, Discrete Math. 310 (2010), 3168–3181.

  11. B. TEMMERMANS, J. A. THAS & H. VAN MALDEGHEM, Collineations and dualities of partial geometries, Discrete Math. 310 (2010), 3251–3258.

  12. K. STRUYVE & H. VAN MALDEGHEM, Affine twin R-buildings, Discrete Math. 310 (2010), 3278–3286.

  13. K. STRUYVE & H. VAN MALDEGHEM, Two-dimensional affine R-buildings defined by generalized polygons with non-discrete valuation, Pure Appl. Math. Quarterly 7 (2011), 923–967.

  14. F. HAOT, K. STRUYVE & H. VAN MALDEGHEM, Ree geometries, Forum Math. 23 (2011), 75–98.

  15. T. GRUNDHÖFER en H.VAN MALDEGHEM, Local sharply transitive actions on finite generalized quadrangles, Ann. Comb. 15 (2011), 69–80.

  1. J. A. THAS & H. VAN MALDEGHEM, Characterizations of Veronese and Segre varieties, J. Geom. 101 (2011), 211–222.

  2. J. A. THAS & H. VAN MALDEGHEM, Generalized Veronesean embeddings of finite projective spaces, Combinatorica 31 (2011), 615–629.

  3. Z. AKÇA, A. BAYAR, S. EKMEKÇI, R. KAYA, J. A. THAS & H. VAN MALDEGHEM, Generalized lax Veronesean embeddings of projective spaces, Ars Combin. 103 (2012), 65–80.

  4. J. SCHILLEWAERT & H. VAN MALDEGHEM, Hermitian Veronesean caps, in Buildings, Finite Geometries and Groups (ed. N.S. N. Sastry), Springer Proceedings in Mathematics 10 (2012), 175–191.

  5. B. TEMMERMANS, J. A. THAS & H. VAN MALDEGHEM, Collineations of polar spaces with restricted displacements, Des. Codes Cryptogr. 64 (2012), 61–80.

  6. B. TEMMERMANS, J. A. THAS & H. VAN MALDEGHEM, Domesticity in projective spaces, Innov. Incid. Geom. 12 (2011), 141–149.

  7. J. SCHILLEWAERT, J. A. THAS & H. VAN MALDEGHEM, A characterization of the finite Veronesean by intersection properties, Ann. Comb. 16 (2012), 331–348.

  8. H. VAN MALDEGHEM, Symplectic polarities in buildings of type E6, Des. Codes Cryptogr. 65 (2012), 115–125.

  9. A. DEVILLERS, B. MÜHLHERR & H. VAN MALDEGHEM, Codistances in 3-spherical buildings, Math. Ann. 354 (2012), 297–329.

  10. B. TEMMERMANS, J. A. THAS & H. VAN MALDEGHEM, Domesticity in generalized quadrangles, Ann. Combin. 16 (2012), 905–916.

  11. T. GRUNDHÖFER, L.KRAMER, H. VAN MALDEGHEM & R.M.WEISS, Compact totally disconnected Moufang buildings, Tohoku Math. J. 64 (2012), 333–360.

  1. J. A. THAS & H. VAN MALDEGHEM, Characterizations of Segre varieties, J. Combin. Theory Ser. A 120 (2013), 795–802.

  2. J. SCHILLEWAERT & H. VAN MALDEGHEM, Quadric Veronesean caps, Bull. Belgian Math. Soc. Simon Stevin 20 (2013), 19–25.

  3. 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.

  4. A. KASIKOVA & H. VAN MALDEGHEM, Vertex opposition in spherical buildings, Des. Codes Cryptogr. 68 (2013), 285–318.

  5. V. PEPE & H. VAN MALDEGHEM, Lax embeddings of the Hermitian unital, Des. Codes Cryptogr. 68 (2013), 325–347.

  6. P. ABRAMENKO, J. PARKINSON & H. VAN MALDEGHEM, A classification of commutative parabolic Hecke algebras, J. Algebra 385 (2013), 115–133.

  7. A. DEVILLERS, J. PARKINSON & H. VAN MALDEGHEM, Automorphisms and opposition in twin buildings, J. Aust. Math. Soc. 94 (2013), 189–201.

  8. T. GRUNDHÖFER, M. STROPPEL & H. VAN MALDEGHEM, Unitals admitting all translations, J. Combin. Des. 21 (2013),  419–431.

  9. 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.
  1. 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.

  2. B. MÜHLHERR, K. STRUYVE & H. VAN MALDEGHEM, Descent in affine buidlings, I. Large minimal angles, Trans. Amer. Math. Soc. 366 (2014), 4345–4366.

  3. J. SCHILLEWAERT & H. VAN MALDEGHEM, Imbrex geometries, J. Combin. Theory Ser. A 127 (2014), 286–302.

  4. J. SCHILLEWAERT & H. VAN MALDEGHEM, Projective planes over 2-dimensional quadratic algebras, Adv. Math. 262 (2014), 784–822.

  5. J. PARKINSON, B. TEMMERMANS & H. VAN MALDEGHEM, The combinatorics of automorphisms and opposition in generalised polygons, Ann. Comb. 19 (2015), 567–619.

  6. O. KRAUSS, J. SCHILLEWAERT & H. VAN MALDEGHEM, Veronesean representations of Moufang planes, Michigan Math. J. 64 (2015), 819–847.

  7. B. DE BRUYN & H. VAN MALDEGHEM, Non-embeddable polar spaces, Münster J. Math. 7 (2014), 557–588

  8. 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.

  9. M. HORN, R. NESSLER & H. VAN MALDEGHEM, Simple Connectivity in Polar Spaces, Forum Math. 28 (2016), 491–505.

  10. J. SCHILLEWAERT & H. VAN MALDEGHEM, A combinatorial characterization of the Lagrangian Grassmannian LG(3,6), Glasgow Math. J. 58 (2016), 293–311. 

  11. Th. GRUNDHÖFER, M. J. STROPPEL & H. VAN MALDEGHEM, A non-classical unital of order four with many translations, Discr. Math. 339 (2016), 2987–2993.

  12. J. A. THAS & H. VAN MALDEGHEM, Finite affine planes in projective spaces, Combinatorica 37 (2017), 283–311.
  1. 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. 

  1. P. ABRAMENKO, J. PARKINSON & H. VAN MALDEGHEM, Distance regularity in buildings and structure constants in Hecke algebras, J. Algebra 481 (2017), 158–187.

  2. D. LEEMANS, E. SCHULTE & H. VAN MALDEGHEM, Groups of Ree type acting on polytopes, Ars Math. Contemp. 14 (2018), 209–226.

  3. A. DE SCHEPPER, N. S. N. SASTRY & H. VAN MALDEGHEM, Split buildings of type F4 in buildings of type E6, Abh. Math. Sem. Univ. Hamburg 88 (2018), 97–160.

  4. A. DE SCHEPPER & H. VAN MALDEGHEM, Maps related to polar spaces preserving a Weyl distance or an incidence condition, J. Combin. Theory Ser. A 160 (2018), 332–408.

  5. J. PARKINSON & H. VAN MALDEGHEM, Opposition diagrams for automorphisms of large spherical buildings, J. Combin. Theory Ser. A 162 (2019), 118–166.

  6. A. DE SCHEPPER, O. KRAUSS, J. SCHILLEWAERT & H. VAN MALDEGHEM, Veronesean representations of projective spaces over quadratic associative division algebras, J. Algebra 521 (2019), 166–199.

  7. J. PARKINSON & H. VAN MALDEGHEM, Opposition diagrams for automorphisms of small spherical buildings, Innov. Incid. Geom. 17 (2019), 141–188.

  8. H. VAN MALDEGHEM & M. VICTOOR, Combinatorial and geometric constructions of spherical buildings, Surveys in Combinatorics 2019, Cambridge University Press (ed. A. Lo et al.), London Math. Soc. Lect. Notes Ser. 456 (2019), 237–265.
  1. T. GRUNDHÖFER, M. STROPPEL & H. VAN MALDEGHEM, Embeddings of Hermitian unitals into Pappian projective planes, Equationes Math. 93 (2019), 927–953.
  1. A. DE SCHEPPER & H. VAN MALDEGHEM, Veronese representation of Hjelmslev planes over Cayley-Dickson algebras, Results Math. 75 (2020), paper No 9, 51pp.
  1. A. DE SCHEPPER, J. SCHILLEWAERT, H. VAN MALDEGHEM & M. VICTOOR, On exceptional Lie geometries, Forum Math. Sigma 9 (2021), paper No e2, 27pp.
  1. T. GRUNDHÖFER, M. STROPPEL & H. VAN MALDEGHEM, Embeddings of unitals such that each block is a subline, Australas. J. Combin. 79 (2021), 295–301.

  2. J. BOKOWSKI & H. VAN MALDEGHEM, On a smallest topological triangle free (n4) point-line configuration, Art Discr. Appl. Math. 4 (2021) # P3.08, 17pp.

  3. 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.
  4.  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.

  5. T. GRUNDHÖFER, M. STROPPEL & H. VAN MALDEGHEM, Finite subunitals of the Hermitian unitals, J. Geom. 113 (2022), 1–8.

  6. A. DE SCHEPPER, J. SCHILLEWAERT, H. VAN MALDEGHEM & M. VICTOOR, A geometric characterization of Hjelmslev-Moufang planes, Quart. J. Math. 73 (2022), 369–394.

  7. T. GRUNDHÖFER, M. STROPPEL & H. VAN MALDEGHEM, Linear spaces embedded into projective space via Baer sublines, Combinatorial Theory 2 (2022), #4, 14pp.

  8. T. GRUNDHÖFER, M. STROPPEL & H. VAN MALDEGHEM, Moufang sets generated by translations in unitals, J. Combin. Des. 30 (2022), 91–104.

  9. H. VAN MALDEGHEM & M. VICTOOR, On Severi varieties as intersections of a minimum number of quadrics, Cubo 24 (2022), 307–331.

  10. J. MEULEWAETER & H. VAN MALDEGHEM, Convex subspaces of Lie incidence geometries, Combinatorial Theory 2 (2022), Paper No. 13, 28pp.

  12. T. GRUNDHÖFER, M. STROPPEL & H. VAN MALDEGHEM, Unitals with many involutory translations, Beitr. Algebra Geom. 64 (2023), 287–297.

  13. S. PETIT & H. VAN MALDEGHEM, Generalized hexagons embedded in metasymplectic spaces, J. Korean Math. Soc. 60 (2023), 907–929.

  14. 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.

  15. 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.

  16. A. DE SCHEPPER & H. VAN MALDEGHEM, On inclusions of exceptional long root geometries of type E, Innov. Incidence Geom. 20 (2023), 247–293.

  17. B. MÜHLHERR & H. VAN MALDEGHEM, Moufang quadrangles and affine twin buildings of type C2 (tilde), Innov. Incidence Geom. 20 (2023), 431–441.

  18. J. PARKINSON & H. VAN MALDEGHEM, Automorphisms and opposition in spherical buildings of exceptional type, II. Moufang hexagons, Innov. Incidence Geom. 20 (2023) 443–470.
  19. J. ROTH & H. VAN MALDEGHEM, Mixed relations for buildings of type F4, Innov. Incidence Geom. 20 (2023), 543–578.

  20. 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.

  21. P. JANSEN & H. VAN MALDEGHEM, Parapolar spaces of infinite rank, Adv. Stud. Euro-Tbil. Math. J. 16 (2023). 191–203.

  22. P. JANSEN & H. VAN MALDEGHEM, Imaginary geometries, Mod. Math. Meth. 1 (2023), 43–92.

  23. J. A. THAS & H. VAN MALDEGHEM, Suzuki-Tits ovoids through the years, Arch. Math. 121 (2023), 511–521.

  24. J. MEULEWAETER & H. VAN MALDEGHEM, 3-graphs from vector spaces, Lin. Alg. Appl. 690 (2024), 91–111.

  25. 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.

  26. 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.

  27. A. PASINI & H. VAN MALDEGHEM, An essay on Freudenthal-Tits polar spaces, J. Algebra 656 (2024), 367–393.

  28. J. PARKINSON & H. VAN MALDEGHEM, Automorphisms and opposition in spherical buildings of classical type, Adv. Geom. 24 (2024), 287–321.

  29. B. N. COOPERSTEIN & H. VAN MALDEGHEM, Subgeometries isomorphic to residues in exceptional Lie incidence geometries, Bull. Belg. Math. Soc. Simon Stevin 31 (2024). 446–463.

  30. H. VAN MALDEGHEM, Notes on Cooperstein ovoids in finite geometries of type E6,1, Mathematics 12 (2024), Paper No. 3720, 11pp.

  31. H. VAN MALDEGHEM, Hyperplanes of Segre geometries, Ars Combin. 160 (2024), 59–71.

  32. P. JANSEN & H. VAN MALDEGHEM, Subgeometries of (exceptional) Lie incidence geometries induced by maximal root subsystems, Münster J. Math. 17 (2024), 99–141.

  33. H. VAN MALDEGHEM, Line spreads that produce projective planes, Mathematics 13 (2025), Paper No. 199, 12pp.

  34. Y. NEYT, J. PARKINSON & H. VAN MALDEGHEM, Uniclass automorphisms of spherical buildings, Geom. Dedicata 219 (2025), Paper No. 34, 54pp.

  35. 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, J. Graph Theory 109 (2025), 518–524.

  36. D. MITROVIC, J. SCHILLEWAERT & H. VAN MALDEGHEM, Local recognition of affine rank 3 graphs, Combinatorica 45 (2025), Paper No.55, 27pp.

  37. V. BATENS & H. VAN MALDEGHEM, Polarities of exceptional geometries of type E6, Mathematics 13 (2015), Paper No. 3804, 17pp.

  38. S. BUSCH & H. VAN MALDEGHEM, A characterisation of lines in finite Lie incidence geometries of classical type, Discr. Math. 349 (2026), Paper No. 114711, 15pp.

  39. L. LAMBRECHT & H. VAN MALDEGHEM, Automorphisms and opposition in spherical buildings of exceptional type, III. Metasymplectic spaces, Selecta Math. 32 (2026), Paper No. 8, 102pp.

  40. S. BUSCH, J. SCHILLEWAERT & H. VAN MALDEGHEM, Groups of projectivities and Levi subgroups in spherical buildings of simply laced type, to appear in J. Group Theory

  41. Y. NEYT & H. VAN MALDEGHEM, Polar kangaroos of type E6, to appear in Quaestiones Math.

  42. S. BUSCH & H. VAN MALDEGHEM, Groups of projectivities in spherical buildings of non-simply laced type, submitted manuscript

  43. Y. NEYT, J. PARKINSON, H. VAN MALDEGHEM & M. VICTOOR, Automorphisms and opposition in spherical buildings of exceptional type, IV. Buildings of type E7, submitted manuscript
  44. Y. NEYT, J. PARKINSON & H. VAN MALDEGHEM, Automorphisms of Lie incidence geometries with spectral gaps, submitted manuscript

  45. D. RIJPERT & H. VAN MALDEGHEM, Weyl substructures of spherical buildings, submitted manuscript

  46. J. PARKINSON & H. VAN MALDEGHEM, Automorphisms and opposition in spherical buildings of exceptional type, V. Buildings of type E8, submitted manuscript

  47. P. JANSEN, J. SCHILLEWAERT & H. VAN MALDEGHEM, Embedded metasymplectic spaces of type F4,4, submitted manuscript

  48. L. LAMBRECHT & H. VAN MALDEGHEM, Subgeometries isomorphic to residues in metasymplectic spaces, submitted manuscript

  49. S. BUSCH, M. PENGITORE, J. SCHILLEWAERT & H. VAN MALDEGHEM, On Wiegold's conjecture for the small Ree groups, submitted manuscript

  50. B. MÜHLHERR & H. VAN MALDEGHEM, Affine twin buildings of type C2 tilde, in progress

  51. S. BUSCH & H. VAN MALDEGHEM, Lines and opposition in finite Lie incidence geometries of exceptional type, in progress

  52. P. ABRAMENKO & H. VAN MALDEGHEM, Graphs and incidence geometries from buildings of arbitrary type, in progress

  53. B. MÜHLHERR & H. VAN MALDEGHEM, Hexagonic spaces, in progress


Books

  1. H. VAN MALDEGHEM, Generalized Polygons, Birkhaüser Verlag, Basel, Boston, Berlin, Monographs in Mathematics 93, 1998, 506 pp. ISBN 3-7643-5864-5

  2. J. A. THAS, K. THAS & H. VAN MALDEGHEM, Translation Generalized Quadrangles, World Scientific Publishing, Hackensack, 2006.

  3. A. E. BROUWER & H. VAN MALDEGHEM, Strongly regular graphs, Cambridge University Press, Cambridge, 2022.

  4. H. VAN MALDEGHEM, Polar Spaces, EMP Press, Münster Lectures in Mathematics, 2024.

Here you can find the preprint database of the Incidence Geometry Research Group of our department

Publications in Dutch

  1. Over de stellingen van Menelaos en Ceva,
    Wiskunde en Onderwijs 58 (1989), 155–161 (with L. Van Maldeghem).
  2. Wiskunde is ook Wiskunst,
    Wiskunde en Onderwijs 84 (1995), 398–401.
  3. Enkele aspecten van het meetkunde onderwijs,
    Wiskunde en Onderwijs 93 (1998), 9–17.
  4. Het natuurlijk getal 25,
    Wiskunde en Onderwijs 103 (2000), 296–304.
  5. Meetkunde: Waar komt het vandaan, en Waar gaat het heen?
    Wiskunde en Onderwijs 121 (2005), 14–25.
  6. 40 jaar VVWL, 40 problemen (I: 1975–1987),
    Wiskunde en Onderwijs 170 (2017), 128–136.
  7. 40 jaar VVWL, 40 problemen (II: 1988–1999),
    Wiskunde en Onderwijs 171 (2017), 245–256.
  8. 40 jaar VVWL, 40 problemen (III: 2000–2014),
    Wiskunde en Onderwijs 172 (2017), 314–352.

Editorships

Editor-in-Chief of

  1. Journal of Algebraic Combinatorics
    2005–2017
  2. Algebraic Combinatorics
    since 2018
  3. Bulletin of the Belgian Mathematical Society–Simon Stevin
    2001–2012
  4. Innovations in Incidence Geometry
    2005–2021

Editor of

  1. Advances in Geometry
    2000–2023
  2. Noti di Matematica
    since 2021
  3. Bulletin of the Belgian Mathematical Society–Simon Stevin
    since 2001
  4. Innovations in Incidence Geometry
    since 2005
  5. Modern Mathematical Methods
    since 2023


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Research Group Incidence GeometryHomepage of Hendrik Van Maldeghem