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Stability of pencils of plane sextics and Halphen pencils of index two
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AbstractWe study the problem of classifying pencils of plane sextics up to projective equivalence via geometric invariant theory (GIT). In particular, we provide a complete description of the GIT stability of certain pencils of plane sextics called Halphen pencils of index two-classical geometric objects which were first introduced by G. Halphen in 1882. Inspired by the work of Miranda on pencils of plane cubics, we obtain explicit stability criteria in terms of the types of singular fibers appearing in their associated rational elliptic surfaces.
Title: Stability of pencils of plane sextics and Halphen pencils of index two
Description:
AbstractWe study the problem of classifying pencils of plane sextics up to projective equivalence via geometric invariant theory (GIT).
In particular, we provide a complete description of the GIT stability of certain pencils of plane sextics called Halphen pencils of index two-classical geometric objects which were first introduced by G.
Halphen in 1882.
Inspired by the work of Miranda on pencils of plane cubics, we obtain explicit stability criteria in terms of the types of singular fibers appearing in their associated rational elliptic surfaces.
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