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math.GT2022
Unknotting via null-homologous twists and multi-twists
Samantha Allen, Kenan Ince, Seungwon Kim +2
The untwisting number of a knot K is the minimum number of null-homologous twists required to convert K to the unknot. Such a twist can be viewed as a generalization of a crossing…
cs.CL2022
Dialogue Term Extraction using Transfer Learning and Topological Data Analysis
Renato Vukovic, Michael Heck, Benjamin Matthias Ruppik +3
Goal oriented dialogue systems were originally designed as a natural language interface to a fixed data-set of entities that users might inquire about, further described by domain,…