Algebraic decomposition of regular curves

@inproceedings{Arnborg1986AlgebraicDO,
  title={Algebraic decomposition of regular curves},
  author={Stefan Arnborg and Huichun Feng},
  booktitle={SYMSAC},
  year={1986}
}
0. Introduction. The cylindrical algebraic decomposition method of Collins [Arnon et al.] decomposes E’ into regions over which a given polynomial has constant sign by extension of one complicated decomposition of E’-I. We investigate a method which decomposes E’ into sign-invariant regions by combining several but simpler decompositions of E’-‘. As a first. result in thii work we can obtain a decomposition of E*, sign-invariant over a bi-variate polynomial of total degree n, coefficient size d… CONTINUE READING

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