The maximal-rank conjecture for space curves in the range
The maximal-rank conjecture for space curves in the range
Let and be natural numbers. A smooth, connected curve in has maximal rank if, for every integer , the restriction map
has maximal rank. The Hilbert scheme of parametrizes subschemes with fixed Hilbert polynomial.
Maximal-rank conjecture. There exists a constant such that, for all natural numbers satisfying
there exists an irreducible component of the Hilbert scheme of whose general element is a smooth, connected curve of degree and genus of maximal rank.
This conjecture was stated in 1985 and concerns the existence of components of the Hilbert scheme whose general space curve has the expected postulation. The paper's abstract says that the authors prove the statement, so its resolution should be checked against the paper's proof and publication status.
Sources & referencesView supporting material
Primary source
Edoardo Ballico, Philippe Ellia and Claudio Fontanari, “Maximal rank of space curves in the range A”, arXiv:1705.10113 (2018).
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