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math.GT1999
On knot invariants which are not of finite type
Theodore Stanford, Rolland Trapp
We observe that most known results of the form "v is not a finite-type invariant" follow from two basic theorems. Among those invariants which are not of finite type, we discuss ex…
math.GT1998
Braided chord diagrams
Joan S. Birman, Rolland Trapp
The notion of a braided chord diagram is introduced and studied. An equivalence relation is given which identifies all braidings of a fixed chord diagram. It is shown that finite-t…