论文标题
关于编织托勒密 - 汤普森组中稳定换向器长度的注释
A note on stable commutator length in braided Ptolemy-Thompson groups
论文作者
论文摘要
在本说明中,我们表明,编织的托勒密 - 汤普森组中所有稳定换向器长度的集合等于非负合理数。
In this note, we show that the sets of all stable commutator lengths in the braided Ptolemy-Thompson groups are equal to non-negative rational numbers.