M ‐curves of degree 9 with deep nests

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Publication:3630823

DOI10.1112/JLMS/JDP010zbMATH Open1163.14032arXivmath/0610792OpenAlexW2122210553MaRDI QIDQ3630823

Author name not available (Why is that?)

Publication date: 4 June 2009

Published in: (Search for Journal in Brave)

Abstract: The first part of Hilbert's sixteenth problem deals with the classification of the isotopy types realizable by real plane algebraic curves of given degree m. For mgeq8, one restricts the study to the case of the M-curves. For m=9, the classification is still wide open. We say that an M-curve of degree 9 has a deep nest if it has a nest of depth 3. In the present paper, we prohibit 10 isotopy types with deep nests and no outer ovals.


Full work available at URL: https://arxiv.org/abs/math/0610792




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