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The Computation of η-Invariants on Manifolds with Free Circle Action

✍ Scribed by Stefan Bechtluft-Sachs


Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
138 KB
Volume
174
Category
Article
ISSN
0022-1236

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An Algorithm To Compute The Invariant Ri
✍ Arno van den Essen 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 159 KB

We describe an algorithm which computes the invariants of all \(G_{a}\)-actions on affine varieties, in case the invariant ring is finitely generated. The algorithm is based on a study of the kernel of a locally nilpotent derivation and some algoritlums from the theory of Gröbner bases.