Abstract
We construct a plane real algebraic curve of degree 8 with 22 ovals (an M-curve) realizing the isotopy type \(\left\langle {7 \sqcup 1\left\langle {2 \sqcup 1\left\langle {11} \right\rangle } \right\rangle } \right\rangle\) whose realizability was unknown.
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Orevkov, S.Y. New M-Curve of Degree 8. Functional Analysis and Its Applications 36, 247–249 (2002). https://doi.org/10.1023/A:1020118609560
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DOI: https://doi.org/10.1023/A:1020118609560