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| Format: | Preprint |
| Veröffentlicht: |
2024
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| Online-Zugang: | https://arxiv.org/abs/2406.12198 |
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| _version_ | 1866917699338108928 |
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| author | Rojas, J. Maurice |
| author_facet | Rojas, J. Maurice |
| contents | Section 10.4 of the 1998 Springer-Verlag book {\em Complexity and Real Computation}, by Blum, Cucker, Shub, and Smale, contains a particularly elegant proof of the Fundamental Theorem of Algebra: The central idea of the proof naturally leads to a homotopy continuation algorithm for finding the roots of univariate polynomials, and extends naturally to a proof of Bézout's Theorem (on the number of roots of systems of $n$ equations in $n$ unknowns). We present a more detailed version of the BCSS Proof which is hopefully useful for students and researchers not familiar with algebraic geometry. So while there are no new results in this paper, the exposition is arguably more elementary. Any errors here are solely the responsibility of the current author. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_12198 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | On the BCSS Proof of the Fundamental Theorem of Algebra Rojas, J. Maurice Algebraic Geometry Section 10.4 of the 1998 Springer-Verlag book {\em Complexity and Real Computation}, by Blum, Cucker, Shub, and Smale, contains a particularly elegant proof of the Fundamental Theorem of Algebra: The central idea of the proof naturally leads to a homotopy continuation algorithm for finding the roots of univariate polynomials, and extends naturally to a proof of Bézout's Theorem (on the number of roots of systems of $n$ equations in $n$ unknowns). We present a more detailed version of the BCSS Proof which is hopefully useful for students and researchers not familiar with algebraic geometry. So while there are no new results in this paper, the exposition is arguably more elementary. Any errors here are solely the responsibility of the current author. |
| title | On the BCSS Proof of the Fundamental Theorem of Algebra |
| topic | Algebraic Geometry |
| url | https://arxiv.org/abs/2406.12198 |