2 papers
math.GT1999
Mutual braiding and the band presentation of braid groups
H. R. Morton, M. Rampichini
This paper is concerned with detecting when a closed braid and its axis are 'mutually braided' in the sense of Rudolph. It deals with closed braids which are fibred links, the simp…
math.GT1998
The Burau matrix and Fiedler's invariant for a closed braid
H. R. Morton
It is shown how Fiedler's `small state-sum' invariant for a braid can be calculated from the 2-variable Alexander polynomial of the link which consists of the closed braid together…