×

On the line graph of a projective plane. (English) Zbl 0133.16802


Keywords:

topology
PDFBibTeX XMLCite
Full Text: DOI

References:

[1] Chang Li-ch’ien, The uniqueness and nonuniqueness of the triangular association schemes., Sci. Record (N.S.) 3 (1959), 604 – 613. · Zbl 0089.15102
[2] -, Association schemes of partially balanced block designs with parameters \( \nu = 28,{n_1} = 12,{n_2} = 15\) and \( p_{11}^2 = 4\), Sci. Record 4 (1960), 12-18. · Zbl 0093.32101
[3] W. S. Connor, The uniqueness of the triangular association scheme, Ann. Math. Statist. 29 (1958), 262 – 266. · Zbl 0085.35601 · doi:10.1214/aoms/1177706724
[4] A. J. Hoffman, On the uniqueness of the triangular association scheme, Ann. Math. Statist. 31 (1960), 492 – 497. · Zbl 0091.31504 · doi:10.1214/aoms/1177705914
[5] A. J. Hoffman, On the exceptional case in a characterization of the arcs of a complete graph, IBM J. Res. Develop. 4 (1960), 487 – 496. · Zbl 0097.34405 · doi:10.1147/rd.45.0487
[6] A. J. Hoffman, On the polynomial of a graph, Amer. Math. Monthly 70 (1963), 30 – 36. · Zbl 0112.14901 · doi:10.2307/2312780
[7] H. J. Ryser, Geometries and incidence matrices, Amer. Math. Monthly 62 (1955), no. 7, 25 – 31. · Zbl 0066.13806 · doi:10.2307/2308177
[8] S. S. Shrikhande, On a characterization of the triangular association scheme, Ann. Math. Statist. 30 (1959), 39 – 47. · Zbl 0089.15101 · doi:10.1214/aoms/1177706357
[9] S. S. Shrikhande, The uniqueness of the \?\(_{2}\) association scheme, Ann. Math. Statist. 30 (1959), 781 – 798. · Zbl 0086.34802 · doi:10.1214/aoms/1177706207
[10] R. R. Singleton, On minimal graphs of even girth, Thesis, Princeton University, Princeton, N. J., 1962. · Zbl 0168.44703
This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. In some cases that data have been complemented/enhanced by data from zbMATH Open. This attempts to reflect the references listed in the original paper as accurately as possible without claiming completeness or a perfect matching.