Quasi-symmetric Designs

"...researchers in design theory should find this monograph to be a valuable resource." A.R. Calderbank, Bulletin of the American Mathematical Society

• Preface; 1. Basic results from designs; 2. Strongly regular graphs and partial geometries; 3. Basic results on quasi-symmetric designs; 4. Some configurations related to strongly regular graphs and quasi-symmetric designs; 5. Strongly regular graphs with strongly regular decompositions; 6. The Witt designs; 7. Extensions of symmetric designs; 8. Quasi-symmetric 2-designs; 9. Towards a classifications of quasi-symmetric 3-designs; 10. Codes and quasi-symmetric designs; References; Index.