Combinatorics 1984: Finite Geometries and Combinatorial Structures: Colloquium Proceedings

Content: 
General Editor
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Edited by
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Copyright page
Page iv

Preface
Page v
A. Barlotti, M. Biliotti, A. Cossu, G. Korchmaros, G. Tallini

Intervento di Apertura del Prof. G. Tallini al Convegno: “Combinatorics 84”
Page vii

Translation Planes with an Automorphism Group Isomorphic to SL(2,5) Original Research Article
Pages 1-7
Vito Abatangelo, Bambina Larato

Symplectic Geometry, Quasigroups, and Steiner Systems Original Research Article
Pages 9-13
Lucien Bénéteau

On a Test of Dominance, a Strategic Decomposition and Structures T(t,q,r,n) Original Research Article
Pages 15-29
Walter Benz

On n–Fold Blocking Sets Original Research Article
Pages 31-38
Albrecht Beutelspacher, Franco Eugeni

Embedding Finite Linear Spaces in Projective Planes Original Research Article
Pages 39-56
Albrecht Beutelspacher, Klaus Metsch

Veronese Quadruples Original Research Article
Pages 57-67
Alessandro Bichara

S-Partitions of Groups and Steiner Systems Original Research Article
Pages 69-83
Mauro Biliotti

Collineation Groups Strongly Irreducible on an Oval Original Research Article
Pages 85-97
Mauro Biliotti, Gabor Korchmaros

On Sets of Plücker Class two in PG(3, q) Original Research Article
Pages 99-103
Paola Biondi, Nicola Melone

A Free Extension Process Yielding a Projective Geometry Original Research Article
Pages 105-106
Flavio Bonetti, Nino Civolani

Symmetric Functions and Symmetric Species Original Research Article
Pages 107-113
Flavio Bonetti, Gian-Carlo Rota, Domenico Senato, Antonietta M. Venezia

On Thick (Q+2)-Sets Original Research Article
Pages 115-124
Rita Capodaglio Di Cocco

On a Generalization of Injection Geometries Original Research Article
Pages 125-136
Pier Vittorio Ceccherini, Natalina Venanzangeli

A New Characterization of Hypercubes Original Research Article
Pages 137-141
Pier Vittorio Ceccherini, Anna Sappa

F-Binomial Coefficients and Related Combinatorial Topics: Perfect Matroid Designs, Posets of Full Binomial Type and F-Geodetic Graphs Original Research Article
Pages 143-158
Pier Vittorio Ceccherini, Anna Sappa

Polynomial Sequences Associated with a Class of Incidence Coalgebras. Original Research Article
Pages 159-169
Luigi Cerlienco, Giorgio Nicoletti, Francesco Piras

R-Regularity and Characterizations of the Generalized Quadrangle P(W(S),(∞)) Original Research Article
Pages 171-184
M. De Soete, J.A. Thas

On Permutation Arrays, Transversal Seminets and Related Structures Original Research Article
Pages 185-201
Michel Deza, Thomas Ihringer

Pascalian Configurations in Projective Planes Original Research Article
Pages 203-215
Giorgio Faina

Monomial Code–Isomorphisms Original Research Article
Pages 217-223
Pavel Filip, Werner Heise

On the Crossing Number of Generalized Petersen Graphs Original Research Article
Pages 225-241
S. Fiorini

Complete Arcs in Planes of Square Order Original Research Article
Pages 243-250
J.C. Fisher, J.W.P. Hirschfeld, J.A. Thas

On the Maximum Number of SQS(V) Having a Prescribed PQS in Common Original Research Article
Pages 251-261
Mario Gionfriddo, Angelo Lizzio, Maria Corinna Marino

On Finite Translation Structures with Proper Dilatations Original Research Article
Pages 263-268
Armin Herzer

Sharply 3-Transitive Groups Generated by Involutions Original Research Article
Pages 269-274
Monika Hille, Heinrich Wefelscheid

On the Generalized Chromatic Number Original Research Article
Pages 275-284
Florica Kramer, Horst Kramer

A Construction of Sets of Pairwise Orthogonal F-Squares of Composite Order Original Research Article
Pages 285-289
Paola Lancellotti, Consolato Pellegrino

Right S-n-Partitions of a Group and Representation of Geometrical Spaces of Type “n-Steiner” Original Research Article
Pages 291-296
Domenico Lenzi

On Block Sharing Steiner Quadruple Systems Original Research Article
Pages 297-302
Giovanni Lo Faro

Roots of Affine Polynomials Original Research Article
Pages 303-310
Giampaolo Menichetti

On the Parameter D(v, tv−13) for Steiner Triple Systems Original Research Article
Pages 311-330
Salvatore Milici

A New Construction of Doubly Diagonal Orthogonal Latin Squares Original Research Article
Pages 331-333
Consolato Pellegrino, Paola Lancellotti

On the Maximal Number of Mutually Orthogonal F-Squares Original Research Article
Pages 335-338
Consolato Pellegrino, Nicolina A. Malara

Cartesian Products of Graphs and Their Crossing Numbers Original Research Article
Pages 339-346
Giustina Pica, Tomaž Pisanski, Aldo G.S. Ventre

Ovoids and Caps in Planar Spaces Original Research Article
Pages 347-353
Giuseppe Tallini

(k, n; f)-Arcs and Caps in Finite Projective Spaces Original Research Article
Pages 355-361
B.J. Wilson

Combinatorial Structures Corresponding to Reflective Circulant (0, 1)-Matrices Original Research Article
Pages 363-372
N. Zagaglia Salvi

Ovals in Steiner Triple Systems Original Research Article
Pages 373-382
Herbert Zeitler

Participants
Pages 383-387