Not signed in

Want to take part in these discussions? Sign in if you have an account, or apply for one below

• Username
• Password
• Remember me

• Sign in using OpenID
• Remember me

• Forgot your password?
• Apply for membership

2-category 2-category-theory abelian-categories adjoint algebra algebraic algebraic-geometry algebraic-topology analysis analytic-geometry arithmetic arithmetic-geometry book bundles calculus categorical categories category category-theory chern-weil-theory cohesion cohesive-homotopy-type-theory cohomology colimits combinatorics complex complex-geometry computable-mathematics computer-science constructive cosmology definitions deformation-theory descent diagrams differential differential-cohomology differential-equations differential-geometry digraphs duality elliptic-cohomology enriched fibration foundation foundations functional-analysis functor gauge-theory gebra geometric-quantization geometry graph graphs gravity grothendieck group group-theory harmonic-analysis higher higher-algebra higher-category-theory higher-differential-geometry higher-geometry higher-lie-theory higher-topos-theory homological homological-algebra homotopy homotopy-theory homotopy-type-theory index-theory integration integration-theory k-theory lie-theory limits linear linear-algebra locale localization logic mathematics measure-theory modal modal-logic model model-category-theory monad monads monoidal monoidal-category-theory morphism motives motivic-cohomology nforum nlab noncommutative noncommutative-geometry number-theory of operads operator operator-algebra order-theory pages pasting philosophy physics pro-object probability probability-theory quantization quantum quantum-field quantum-field-theory quantum-mechanics quantum-physics quantum-theory question representation representation-theory riemannian-geometry scheme schemes set set-theory sheaf simplicial space spin-geometry stable-homotopy-theory stack string string-theory superalgebra supergeometry svg symplectic-geometry synthetic-differential-geometry terminology theory topology topos topos-theory tqft type type-theory universal variational-calculus

1. • CommentRowNumber1.
   • CommentAuthorUrs
   • CommentTimeDec 7th 2011
   • PermaLink
   Author: Urs
   Format: MarkdownItexhave added pointers to Alex Hoffnung's preprint to [[tetracategory]], [[tricategory]], [[span]] and [[(infinity,n)-category of spans]].

   have added pointers to Alex Hoffnung’s preprint to tetracategory, tricategory, span and (infinity,n)-category of spans.

2. • CommentRowNumber2.
   • CommentAuthorUrs
   • CommentTimeSep 26th 2024
   • (edited Sep 26th 2024)
   • PermaLink
   Author: Urs
   Format: MarkdownItexadded pointer to: * Manuel Araújo: *String diagrams for 4-categories and fibrations of mapping 4-groupoids*, Theory and Applications of Categories **41** 38 (2024) 1352-1398 &lbrack;[arXiv:2012.03797](https://arxiv.org/abs/2012.03797), [tac:41-38](http://www.tac.mta.ca/tac/volumes/41/38/41-38abs.html)&rbrack; which, of course, is about strict 4-categories, but as long as *[[4-category]]* redirects here that's where it has to go --- but at least I have given the References-section subsections "Weak 4-categories" and "Strict 4-categories". <a href="https://ncatlab.org/nlab/revision/diff/tetracategory/10">diff</a>, <a href="https://ncatlab.org/nlab/revision/tetracategory/10">v10</a>, <a href="https://ncatlab.org/nlab/show/tetracategory">current</a>

   added pointer to:

   • Manuel Araújo: String diagrams for 4-categories and fibrations of mapping 4-groupoids, Theory and Applications of Categories 41 38 (2024) 1352-1398 [arXiv:2012.03797, tac:41-38]

   which, of course, is about strict 4-categories, but as long as 4-category redirects here that’s where it has to go — but at least I have given the References-section subsections “Weak 4-categories” and “Strict 4-categories”.

   diff, v10, current