Jason (jcreed) wrote,
Jason
jcreed

Was reading an old Baez and Dolan paper from '95; the tables on pages 17 and 24 suddenly made the "periodic table" of n-category theory (of which they are depictions, after a fashion) make a little more sense to me. Most of all how as you go down the table, you introduce more and more structure; a binary operation on objects, a symmetry, a braiding, etc. and if you go far enough to the left (collapsing various levels of n-cells to singletons) these operations become identities because the only thing left for these operations to be is the identity.

An interesting related blog post.
Tags: categories, math
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