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New algorithms for relaxed multiplication. (English) Zbl 1130.68103
Summary: In previous work, we have introduced the technique of relaxed power series computations. With this technique, it is possible to solve implicit equations almost as quickly as doing the operations which occur in the implicit equation. Here “almost as quickly” means that we need to pay a logarithmic overhead. In this paper, we show how to reduce this logarithmic factor in the case when the constant ring has sufficiently many \(2^p\)th roots of unity.

68W30 Symbolic computation and algebraic computation
13P10 Gröbner bases; other bases for ideals and modules (e.g., Janet and border bases)
Mmxlib; Mathemagix
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