marchwicka/signature_function
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This script calculates signature functions for knots (cable sums).
The script can be run as a sage script from the terminal or used in interactive mode.
This project aims to calculate signature functions for knots (cable sums) and was used to prove Lemma 3.2 from a paper "On the slice genus of generalized algebraic knots" (Maria Marchwicka and Wojciech Politarczyk).
The package can be used in interactive mode (see notebooks for examples).
A knot (cable sum) is encoded as a list where each element (also a list) corresponds to a cable knot.