Vol 45 No 1 (1990) | Le Matematiche

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Published: 1990-05-01

Preface

Mario Gionfriddo

3-4
- pdf
Sommario di alcune questioni suggerite dall'opera geometrica di R. C. Bose

Adriano Barlotti

5-14
- pdf
On two conjectures to generalize Vizing's Theorem

Claude Berge

15-24
- pdf
Linear spaces: history and theory

Albrecht Beutelspracher

25-38
- pdf
Supports of (ν,4,2) designs

Charles J. Colbourn, Gordon F. Royle

39-60
- pdf
On some of my favourite problems in graph theory and block designs

Paul Erdös

61-74
- pdf
On the ABC of graph applications

Frank Harary

75-82
- pdf
Graph decomposition and quasigroup identities

Curt Lindner

83-118
- pdf
Graph decomposition

Chris A. Rodger

119-140
- pdf
Decomposition of a complete graph into hexagons

Barbara Rokowska

141-148
- pdf
Maximal partial designs and configurations

Alexander Rosa

149-162
- pdf
Association and other schemes related to Sharma-Kaushik class of distances over finite rings

Bhu Dev Sharma, Norris Sookoo

163-186
- pdf
Even type and odd type sets in a Steiner system and linear codes

Giuseppe Tallini

187-195
- pdf
On the use of pairwise balanced designs and closure spaces in the construction of structures of degree at least 3

Luc Teirlinck

197-218
- pdf
Problems and results on graph and hypergraph colouring

Szolt Tuza

219-238
- pdf