Quantum Gravity and String Theory


Tangles and Cubes for Gravity

Authors: M. D. Sheppeard

In this short lecture we describe the correspondence between tangles and associahedra tiles, where R occurs in the case of braid tangles, leading to a natural extension to ribbons. Such tangles come from the Temperley-Lieb algebra and were used by Bar-Natan to study Khovanov complexes in nice cobordism categories.

Comments: 6 Pages.

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Submission history

[v1] 2019-10-22 13:44:31
[v2] 2019-10-29 14:31:20

Unique-IP document downloads: 52 times

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