dehn

Hyperbolic Groups, Automatic Groups and Dehn Functions of Groups

双曲群，自动机群与群的Dehn函数

Gary Payne and Dick Dehn, 54 years together, also earned loud applause as they rode by in a rickshaw.

Gary Payne和Dick Dehn在一起54年了，当他们乘坐黄包车经过时，人群发出了响亮的欢呼。

Dehn himself was a particularly enthusiastic advocate of group diagrams.

戴恩本人就特别热衷的群图解的倡导者.

We obtain a relation between the Nielsen number of coincidence points of two Dehn twists and the minimal geometric intersection number of the simple closed curves determining these two Dehn twist.

本文中，我们主要讨论曲面上一种特殊自同胚&Dehn twist的重合点，给出了重合点Nielsen数与闭曲线的最小几何相交数的联系。

In 1911, M. Dehn gave three fundamental problems in combinatorial group theory: word problem, conjugacy problem and isomorphism problem.

1911年，M.Dehn提出了组合群论的三个基本问题，即：字问题、共轭问题、同构问题。

Dehn Surgery on Knots with Tunnel Number One

洞数为1的纽结上的Dehn手术