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Journals and Conferences
It is shown that a regular polygon in R" with the ?~-metric has at most (2n)" vertices.
We show that a unital in PG(2, q) is Hermitian if and only if it is in the code generated by the lines of PG(2, q). This implies the truth of a conjecture made by Assmus and Key.
This section deals with our work on interactive mathematical documents that make use of the World Wide Web. These documents take input from various sources, users, and mathematical services.… (More)
We prove Heden’s result that the deficiency δ of a maximal partial spread in PG(3, q) is greater than 1+ 1 2 (1+ √ 5)q unless δ−1 is a multiple of p, where q = p. When q is odd and not a square, we… (More)
A farm check-list is introduced in the present paper. For each month several points requiring attention are stated, which are of importance in herd health and production control on dairy farms from… (More)