A2Invariant
The function A2Invariant
computes A2 invariant of KL given by its P-data,
Conway symbol, Dowker code (with signs), or Dowker code in Knotscape
format. It gives also the drawing of KL.
As the input you can also use Conway
symbol of the KL:
Please write Conway symbol of a KL as a Mathematica string, e.g., "3 2,2,-2"
The third posible input is Dowker code (with
signs) of KL:
The fourth input is Dowker code of KL (in
the Knotscape format):
  
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