Acta mathematica scientia,Series A ›› 2025, Vol. 45 ›› Issue (2): 554-566.

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On Classification of Planar Cubic Polynomials

Lin Li1,Lingling Liu2,Zhiheng Yu3,*()   

  1. 1Faculty of Mathematics, Jiaxing University, Zhejiang Jiaxing 314001
    2School of Sciences, Southwest Petroleum University, Chengdu 610500
    3School of Mathematics, Southwest Jiaotong University, Chengdu 611756
  • Received:2023-10-31 Revised:2024-10-15 Online:2025-04-26 Published:2025-04-09
  • Contact: Zhiheng Yu E-mail:yuzhiheng9@163.com.
  • Supported by:
    NSFC(11871041);NSFC(12171337);National Science Foundation of Sichuan Province(2022NSFSC1834);National Science Foundation of Sichuan Province(2023NSFSC0064);Fundamental Research Funds for the Central Universities(2682021ZTPY041);Central Government Guided Local Science and Technology Development Projects(2024ZYD0059)

Abstract:

In this paper, we consider cubic polynomial normal forms on R2. By employing the theory of polynomial algebra to find the minimal irreducible decomposition of the corresponding varieties, we obtain smooth classifications of a kind of planar cubic polynomials via global conjugations. Our results are also applied to study the problems of iterative roots and embedding flows on R2.

Key words: planar cubic polynomial, conjugacy, smooth normal form, minimal irreducible decomposition, iterative root

CLC Number: 

  • O192
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