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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 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 internal-categories k-theory lie-theory limits linear linear-algebra locale localization logic mathematics measure measure-theory modal modal-logic model model-category-theory monad monads monoidal monoidal-category-theory morphism motives motivic-cohomology 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.
   • CommentAuthorspitters
   • CommentTimeJan 4th 2018
   • PermaLink
   Author: spitters
   Format: MarkdownItexI've just replaced http://nforum.mathforge.org/ with https://nforum.ncatlab.org/ in [[universe in a topos]] since the former gives a DNS error. We should probably do a general search and replace.

   I’ve just replaced http://nforum.mathforge.org/ with https://nforum.ncatlab.org/ in universe in a topos since the former gives a DNS error. We should probably do a general search and replace.

2. • CommentRowNumber2.
   • CommentAuthorUrs
   • CommentTimeJan 4th 2018
   • PermaLink
   Author: Urs
   Format: MarkdownItexIn cases like this one it would be best to remove the vague pointer to a meandering nForum discussion altogether and instead add the relevant bits of information to the entry directly.

   In cases like this one it would be best to remove the vague pointer to a meandering nForum discussion altogether and instead add the relevant bits of information to the entry directly.

3. • CommentRowNumber3.
   • CommentAuthorMike Shulman
   • CommentTimeJan 4th 2018
   • PermaLink
   Author: Mike Shulman
   Format: MarkdownItexBut, if one only has time to fix a link, doing that is better than doing nothing.

   But, if one only has time to fix a link, doing that is better than doing nothing.