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The picture is by my former Algebraic Topology student, now former Ph.D. student Thomas Cottrell. 
It is a beautiful rendition of an 11-holed torus, illustrating the 5-fold rotational symmetry giving the space as a 5-sheeted cover of the 3-holed torus.

PUBLICATIONS

For my list of research papers click here.

Higher-Dimensional Categories: 
an illustrated guide book

by
Eugenia Cheng and Aaron Lauda


PREPARED FOR IMA WORKSHOP
(revised after it)


CLICK HERE

     

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