“Hopf”造句，怎麼用Hopf造句

This paper discusses the state of Hopf bifurcation in a predator-prey system when parameter varies in some field, and analyzes the stability of the system.

Ore Extensions of Quasitriangular Hopf Algebras

The impulse transfer function is found through Wiener-Hopf equation.

Turaev在研究流形及上鍊環上主π-叢的Heningslike與Kuperberg-like不變數的基礎上引進的一類代數結構，是Hopf代數的推廣，其中π為一離散群。

The Stability and Global Hopf Bifurcation of Classes of Delay Differential Systems;

The Homological Properties of Hopf Bigalois Extensions;