We prove that a GF(q)-linear Rédei blocking set of size qt + qt−1 + · · · + q + 1 of PG(2, qt ) defines a derivable partial spread of PG(2t − 1, q). Using such a relationship, we are able to prove that there are at least two inequivalent Rédei minimal blocking sets of size qt + qt−1 + · · · + q + 1 in PG(2, qt ), if t ≥ 4.

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Most of us take it for granted that we ought to be rational—to have the bundle of dispositions and abilities that constitute the faculty of rationality. Most of us also take it for granted that we ought to satisfy various individual requirements of rationality: we ought not to believe it is Monday and also believe it is not Monday; we ought to intend to catch the 12.50, if we intend to get to a...

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Capital Deepening and Wage Differentials: Germany vs. US Capital deepening may affect the evolution of the wage differential between skilled and unskilled workers differently in countries with different labor market institutions. If labor market institutions raise the relative wage of unskilled workers in Germany, firms have incentives to invest relatively more into capital equipment complement...

the us-israeli relationship is regarded as one of the strongest relations between two states in the contemporary world. for a number of cultural, strategic, and political reasons, the us strongly supports the zionist regime. on the other hand, the role of the strong, influential israeli lobby in the us has yet been another significant factor for the close relations between the two countries wit...