他们完成了长期以来努力对霍普夫代数上根进行的分类。
They finished their long-term classification effort of Hopf algebras with coradical.
该模型经历了鞍结点分支和霍普夫分支。
It is shown that the model undergoes saddle-node bifurcation and Hopf bifurcation.
利用中心流形约化方法证明了霍普夫分歧解的稳定性。
By using the method of centre manifold, the stability of the Hopf bifurcations is also proven.
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