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On the Tropicalization of the Hilbert Scheme

Number of pages19
Publication date2009
Abstract

In this article we study the tropicalization of the Hilbert scheme and its suitability as a parameter space for tropical varieties. We prove that the points of the tropicalization of the Hilbert scheme have a tropical variety naturally associated to them. To prove this, we find a bound on the degree of the elements of a tropical basis of an ideal in terms of its Hilbert polynomial. As corollary, we prove that the set of tropical varieties defined over an algebraically closed valued field only depends on the characteristic pair of the field and the image group of the valuation. In conclusion, we examine some simple examples that suggest that the definition of tropical variety should include more structure than what is currently considered.

Classification
  • arxiv : math.AG
Citation (ISO format)
ALESSANDRINI, Daniele, NESCI, Michèle. On the Tropicalization of the Hilbert Scheme. 2009, p. 19.
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