a1 G.E.C. Hirst Research Centre, Wembley
In this paper the values of m(6)2,9, m(5)2,8 and m(5)2,9 have been determined as well as improved bounds on other arcs, and in particular a general construction for certain large arcs in planes of square order has been given. Table 5 summarizes the known values of m(n)2, q for 2 ≤ n ≤ q and q ≤ 9.
(Received June 18 1981)
† Most of this work was done whilst the author was at the University of Salford.