Abstract

It is well know that the theory of minimal blocking sets is studied by several author. Another theory which is also studied by a large number of researchers is the theory of hyperplane arrangements. We can remark that the affine space AG(n, q) is the complement of the line at infinity in PG(n, q). Then AG(n, q) can be regarded as the complement of an hyperplane arrangement in PG(n, q)! Therefore the study of blocking sets in the affine space AG(n, q) is simply the study of blocking sets in the complement of a finite arrangement in PG(n, q). In this paper the author generalizes this remark starting to study the problem of existence of blocking sets in the complement of a given hyperplane arrangement in PG(n, q). As an example she solves the problem for the case of braid arrangement. Moreover she poses significant questions on this new and interesting problem.

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