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Evaluating Winding Numbers and Counting Complex Roots Through Cauchy Indices in Isabelle/HOL
In complex analysis, the winding number measures the number of times a path (counter-clockwise) winds around a point, while the Cauchy index can approximate how the path winds. We formalise this approximation in the Isabelle theorem prover, and provide a tactic to evaluate winding numbers through Ca...
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Springer Netherlands
2019
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6995451/ https://www.ncbi.nlm.nih.gov/pubmed/32063661 http://dx.doi.org/10.1007/s10817-019-09521-3 |