On the real -ranks of points of with respect to a real variety
Edoardo Ballico (2010)
Annales Universitatis Mariae Curie-Sklodowska, sectio A – Mathematica
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Let be an integral and non-degenerate -dimensional variety defined over . For any the real -rank is the minimal cardinality of such that . Here we extend to the real case an upper bound for the -rank due to Landsberg and Teitler.