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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.
   • CommentAuthorOscar_Cunningham
   • CommentTimeMay 1st 2022
   • PermaLink
   Author: Oscar_Cunningham
   Format: MarkdownItexI'm getting a SEC_ERROR_EXPIRED_CERTIFICATE error when I try to access the n-Forum (on multiple devices and browsers). Looks like the certificate needs to be renewed! Of course it might be that no one sees this for the same reason.

   I’m getting a SEC_ERROR_EXPIRED_CERTIFICATE error when I try to access the n-Forum (on multiple devices and browsers). Looks like the certificate needs to be renewed!

   Of course it might be that no one sees this for the same reason.

2. • CommentRowNumber2.
   • CommentAuthorGuest
   • CommentTimeMay 1st 2022
   • PermaLink
   Author: Guest
   Format: TextCan confirm, I'm also getting an expired certificate error on my devices and browsers.

   Can confirm, I'm also getting an expired certificate error on my devices and browsers.
3. • CommentRowNumber3.
   • CommentAuthorTobyBartels
   • CommentTimeMay 2nd 2022
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   Author: TobyBartels
   Format: MarkdownItexYes, this is real. Richard knows about it and was going to deal with it today.

   Yes, this is real. Richard knows about it and was going to deal with it today.