arXiv · 1612.03486
Group G_{n}^{3} and imaginary generators
Abstract
In the present paper, we construct a monomorphism from (Artin) pure braid group $PB_{n}$ into a group, which is `bigger' than $PB_{n}$. Roughly speaking, this mapping is defined on words of braids by adding `new generators' between generators of $PB_{n}$. By this mapping we can get a new invariant for classical braids. As one of application of this invariant, we will show examples, which are minimal words in $PB_{n}$ and the minimality can be shown by the invariant.
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S. Kim, V. O. Manturov. 2016-12-11. Group G_{n}^{3} and imaginary generators. https://arxiv.org/abs/1612.03486
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