Department of Mathematics

Prof. Dr. Ulrich Dempwolff

Address

Gottlieb-Daimler-Straße
building 48, room 608
67663 Kaiserslautern

P.O. Box 3049
67653 Kaiserslautern

Contact

E-Mail: dempwolf (at) rptu.de

Curriculum Vitae

1945 born in Saalfeld/Saale
1965 Abitur
1970 Ph.D. at University of Mainz
1973 Habilitation at University of Heidelberg
1976 Professor at the University of Kaiserslautern
2010 retired

Research interests

  • Finite groups
  • Finite geometries
  • Combinatorics

Algebra, Geometry & Computer Algebra Group

Ph.D. students

  1. Marc Röder (2006): "Quasiregular projective planes of order 16".
  2. Andrea Mindnich (2007): "Ovoide 8-dimensionaler quadratischer Räume".

Selected Publications

  • Dempwolff, Ulrich; Edel, Yves: Dimensional dual hyperovals and APN functions with translation groups. J. Algebraic Combin. 39 (2014), no. 2, 457–496.
  • Dempwolff, Ulrich: Dimensional doubly dual hyperovals and bent functions. Innov. Incidence Geom. 13 (2013), 149–178.
  • Dempwolff, Ulrich; Müller, Peter: Permutation polynomials and translation planes of even order. Adv. Geom. 13 (2013), no. 2, 293–313.
  • Dempwolff, Ulrich: Symmetric extensions of bilinear dual hyperovals. Finite Fields Appl. 22 (2013), 51–56.
  • Dempwolff, Ulrich: Semifield planes of order 81. J. Geom. 89 (2008), no. 1-2, 1–16.
  • Dempwolff, Ulrich: Automorphisms and equivalence of bent functions and of difference sets in elementary abelian 2-groups. Comm. Algebra 34 (2006), no. 3, 1077–1131.
  • Dempwolff, Ulrich: Affine rank 3 groups on symmetric designs. Des. Codes Cryptogr. 31 (2004), no. 2, 159–168.
  • Dempwolff, U.; Kantor, W. M.: Symmetric designs from the G2(q) generalized hexagons. J. Combin. Theory Ser. A 98 (2002), no. 2, 410–415.
  • Dempwolff, Ulrich: Primitive rank 3 groups on symmetric designs. Des. Codes Cryptogr. 22 (2001), no. 2, 191–207.
  • Charnes, C.; Dempwolff, U.: The translation planes of order 49 and their automorphism groups. Math. Comp. 67 (1998), no. 223, 1207–1224.
  • Charnes, C.; Dempwolff, U.: Spreads, ovoids and S5. Geom. Dedicata 56 (1995), no. 2, 129–143.
  • Dempwolff, Ulrich: Translation planes of order 27. Des. Codes Cryptogr. 4 (1994), no. 2, 105–121.
  • Dempwolff, Ulrich: The projective planes of order 16 admitting SL(3,2). Rad. Mat. 7 (1991), no. 1, 123–134.
  • Dempwolff, Ulrich: Normal forms and fixed subspaces of semilinear maps. Boll. Un. Mat. Ital. A (7) 4 (1990), no. 2, 209–218.
  • Dempwolff, Ulrich: A characterization of the generalized twisted field planes. Arch. Math. (Basel) 50 (1988), no. 5, 477–480.
  • Dempwolff, Ulrich: Linear groups with large cyclic subgroups and translation planes. Rend. Sem. Mat. Univ. Padova 77 (1987), 69–113.
  • Dempwolff, Ulrich: PSL(3,q) on projective planes of order q3. Geom. Dedicata 18 (1985), no. 1, 101–112.
  • Dempwolff, Ulrich: A note on the Figueroa planes. Arch. Math. (Basel) 43 (1984), no. 3, 285–288.
  • Dempwolff, U.; Reifart, A.: The classification of the translation planes of order 16. I Geom. Dedicata 15 (1983), no. 2, 137–153.
  • Dempwolff, Ulrich: Extensions of elementary abelian groups of order 22n by S2n(2) and the degree 2-cohomology of S2n(2). Illinois J. Math. 18 (1974), 451–468.