2007
DOI: 10.5802/aif.2293
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Jacobian Nullwerte, periods and symmetric equations for hyperelliptic curves

Abstract: We propose a solution to the hyperelliptic Schottky problem, based on the use of Jacobian Nullwerte and symmetric models for hyperelliptic curves. Both ingredients are interesting on its own, since the first provide period matrices which can be geometrically described, and the second have remarkable arithmetic properties.

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Cited by 5 publications
(6 citation statements)
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“…These symmetric roots were extensively studied by J. Guàrdia [4] in the context of an effective Torelli theorem for hyperelliptic period matrices. They are defined as follows.…”
Section: ⎠ Holds Where ( ) a Is Zhang's Admissible Pairing On Div(xmentioning
confidence: 99%
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“…These symmetric roots were extensively studied by J. Guàrdia [4] in the context of an effective Torelli theorem for hyperelliptic period matrices. They are defined as follows.…”
Section: ⎠ Holds Where ( ) a Is Zhang's Admissible Pairing On Div(xmentioning
confidence: 99%
“…we are done once we prove that f (a j )/f (a i ) is a unit in R. Let a r be an arbitrary root of f ; we will show that ν(f (a r )) = ν(4), so that ν(f (a r )) is independent of r. (4). According to [7,Proposition 6.3] we have however:…”
Section: Holds Where ν(·) Denotes Order Of Vanishing Along the Closementioning
confidence: 99%
“…In the particular case that the abelian variety is the Jacobian variety J(C) of a hyperelliptic curve C, we have proposed to make this choice in a way that makes present the geometry of the curve (cf. [5]): Theorem 8. Let C /K be a hyperelliptic curve defined over a number field K, and let Z be a period matrix for C, so that J(C) ≃ C g /(1 g | Z).…”
Section: Periods Of Algebraic Differential Forms On Hyperelliptic Curvesmentioning
confidence: 99%
“…We refer to [5] for the detailed presentation of symmetric models for hyperelliptic curves. We only mention here two of the main results about them:…”
Section: Symmetric Models For Hyperelliptic Curvesmentioning
confidence: 99%
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