Advances in finite geometries and designs : proceedings of the Third Isle of Thorns Conference 1990

Preface Table of contents Introduction L. Bader: Flocks of cones and generalized hexagons L.M. Batten and J.M.N. Brown: Group partitions, affine spaces and translation groups A. Blokhuis and F. Mazzocca: On maximal sets of nuclei in PG(2,q) and quasi-odd sets in AG(2,q) A. Blokhuis, A.R. Calderbank, K. Metsch and A. Seress: An embedding theorem for partial linear spaces A.E. Brouwer: A non-degenerate generalized quadrangle with lines of size four is finite J.M.N. Brown: On abelian collineation groups of finite projective planes F. Buekenhout: More geometry for Hering's 3 :SL(2,13) A.M. Cohen: Presentations for certain finite quaternionic relection groups B.N. Cooperstein and E.E. Shult: Geometric hyperplanes of embeddable Lie incidence geometries F. De Clerck, A. Del Fra, and D. Ghinelli: Pointsets in partial geometries A. Del Fra, D. Ghinelli, and A. Pasini: One diagram for many geometries M.J. de Resmini: On an exceptional semi-translation plane W.HL Haemers, D.G. Higman, and S.A. Hobart: Strongly regular graphs induced by polarities of symmetric designs J.W.P. Hirschfeld and Tzonyi: A Problem on squares in a finite field and its application to geometry C. Ho and A. Goncalves: On totally irregular simple collineation groups D.R. Hughes: On some rank 3 partial geometries D. Jungnickel and V.D. Tonchev: Intersection numbers of quasi-multiples of symmetric designs H. kaneta and T. Maruta: The discriminant of a cubic curve W.M. Kantor: Automorphism groups of some generalized quadrangles G. Korchmaros: Collineation groups of (q + t, t)-arcs of type (0,2,t) in a Desarguesian plane of order q Y. Liu and Z. Wan: Pseudo-symplectic geometries over finite fields of characteristic two S. Lowe: Solutions of quadratic equations in a groupring and partial addition sets G. Lunardon: A remark on the derivation of flocks T. Maruta: A geometric approach to semi-cyclic codes G. Mason: Remarks on non-associative Galois theory G.E. Moorhouse: Codes of nets with translations C.M. O'Keefe, T Penttila, and C.M. Praeger: Stabilizers of hyperovals in PG(2, 32) J. Siemons and B. Webb: On a problem of Wielandt and a question by Dembowski E. Spence: (40, 13,4)-designs derived from strongly regular graphs L. Storme and J.A. Thas: Generalized Reed-Solomon codes and normal rational curves: an improvement of results by Seroussi and Roth H. Van Maldeghem: Common characterizations of the finite Moufang polygons J.F. Voloch: Complete arcs in Galois planes of non-square order F. Wettl: Internal nuclei of k-sets in finite projective spaces of three dimensions P.R. Wild: Menon difference sets and relative difference sets List of Talks List of Participants.