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arXiv 2510.00751math.AG
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小次数实代数曲线空间中的腔室与壁

Chambers and walls in spaces of real algebraic curves of small degrees

Victor Ivanovich Zvonilov

AI总结:

本文综述低次实代数曲线刚性同痕分类的已知结果,补全双曲面上双次数(4,3)实代数曲线分类的缺失证明,给出相关曲线空间的腔室与壁邻接图。

摘要:

本文综述了次数$m\leq6$的平面曲线以及二次曲面上小次数曲线的刚性同痕分类的已知结果。本研究完成了作者此前工作中启动的、双曲面上双次数(4,3)的非奇异实代数曲线的刚性同痕分类。文中给出了此前缺失的证明:16类具有单个结点或尖点的双次数(4,3)实代数曲线的连通分支具有唯一性。主要技术工具是Hirzebruch曲面上实三角曲线的图。本文还给出了这些曲线空间中腔室与壁的邻接图。

英文摘要:

This paper reviews known results on the rigid isotopy classification of plane curves of degree $m\leq6$ and curves of small degrees on quadrics. The paper's study completes the rigid isotopy classification of nonsingular real algebraic curves of bidegree (4,3) on a hyperboloid, begun by the author in earlier works. There are given previously missing proofs of the uniqueness of the connected components for 16 classes of real algebraic curves of bidegree (4,3) having a single node or a cusp. The main technical tools are graphs of real trigonal curves on Hirzebruch surfaces. Adjacency graphs of chambers and walls in the spaces of these curves are presented.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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