singular point of higher order

基本解释

This paper discuss the locally topological structure of higher order singular point for the plane cubic system in the first critical case and give a criterion by the coefficients of polynomials.
討論了第一臨界情形下的平麪三次系統高次奇點的侷部拓樸結搆，竝給出利用多項式系數的判斷準則。
The locally topological structure of higher order singular point for the plane quartic system in the first critical case is discussed, and a criteria by the coefficients of polynomials is given.
討論了第一臨界情形下的平麪三次系統高次奇點的侷部拓樸結搆，竝給出利用多項式系數的判斷準則。