Computing invariants of cubic surfaces
Abstract
We report on the computation of invariants, covariants, and contravariants of cubic surfaces. The approach is based on the Clebsch transfer principle and transvection. All algorithms are implemented in the computer algebra system magma. The code can be used to efficiently compute invariants of surfaces definied over number fields and function fields.
Copyright (c) 2020 Andreas-Stephan Elsenhans, Jorg Jahnel
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