A sharp bound for the slope of double cover fibrations

DOI10.1307/mmj/1231770359zbMath1159.14006arXivmath/0510144OpenAlexW2061482026MaRDI QIDQ1001942

Maurizio Cornalba, Lidia Stoppino

Publication date: 20 February 2009

Published in: Michigan Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/math/0510144

zbMATH Keywords

fibrationdouble coversslope

Mathematics Subject Classification ID

Fibrations, degenerations in algebraic geometry (14D06) Surfaces and higher-dimensional varieties (14J99)

Related Items (7)

On the gonality and the slope of a fibered surface ⋮ Upper bounds on the slope of certain fibered surfaces ⋮ The slope of fibred surfaces: Unitary rank and Clifford index ⋮ Linear stability of projected canonical curves with applications to the slope of fibred surfaces ⋮ Slope inequalities for fibred surfaces via GIT ⋮ On fibrations approaching the Arakelov equality ⋮ On the slope of hyperelliptic fibrations with positive relative irregularity

Cites Work

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• Slope inequalities for fibred surfaces via GIT
• Fibered algebraic surfaces with low slope
• On the invariants of base changes of pencils of curves. I
• On the invariants of base changes of pencils of curves. II
• On the slope of bielliptic fibrations
• Divisor classes associated to families of stable varieties, with applications to the moduli space of curves
• On the slope of fibred surfaces

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