Not signed in (Sign In)

A discussion forum about contributions to the nLab wiki and related areas of mathematics, physics, and philosophy.

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

2-category 2-category-theory abelian-categories adjoint algebra algebraic algebraic-geometry algebraic-topology analysis analytic-geometry arithmetic arithmetic-geometry beauty bundles calculus categories category category-theory chern-weil-theory cohesion cohesive-homotopy-theory cohesive-homotopy-type-theory cohomology colimits combinatorics comma complex-geometry computable-mathematics computer-science constructive constructive-mathematics cosmology definitions deformation-theory descent diagrams differential differential-cohomology differential-equations differential-geometry differential-topology digraphs duality elliptic-cohomology enriched fibration finite foundations functional-analysis functor galois-theory gauge-theory gebra geometric-quantization geometry goodwillie-calculus graph graphs gravity group-theory harmonic-analysis higher higher-algebra higher-category-theory higher-differential-geometry higher-geometry higher-lie-theory higher-topos-theory homological homological-algebra homology homotopy homotopy-theory homotopy-type-theory index-theory integration integration-theory internal-categories k-theory lie-theory limit limits linear linear-algebra locale localization logic mathematics measure-theory modal-logic model model-category-theory monad monoidal monoidal-category-theory morphism motives motivic-cohomology newpage noncommutative noncommutative-geometry number-theory of operads operator operator-algebra order-theory 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 string-theory subobject superalgebra supergeometry svg symplectic-geometry synthetic-differential-geometry terminology theory topology topos topos-theory tqft type type-theory universal variational-calculus

Vanilla 1.1.10 is a product of Lussumo. More Information: Documentation, Community Support.

If you want to take part in these discussions either sign in now (if you have an account), apply for one now (if you don't).

- Discussion Type
- discussion topicFuture financing of the nLab
- Category nLab General Discussions
- Started by Richard Williamson
- Comments 11
- Last comment by Richard Williamson
- Last Active 34 minutes ago

- Discussion Type
- discussion topicstructure sheaf
- Category nLab General Discussions
- Started by Todd_Trimble
- Comments 2
- Last comment by Urs
- Last Active 1 day ago

- Discussion Type
- discussion topicFunctoriality from Representability
- Category nLab General Discussions
- Started by maxsnew
- Comments 8
- Last comment by Mike Shulman
- Last Active 3 days ago

- Discussion Type
- discussion topicPoints of the localic quotient with respect to an apartness relation
- Category nLab General Discussions
- Started by IngoBlechschmidt
- Comments 19
- Last comment by martinescardo
- Last Active 6 days ago

- Discussion Type
- discussion topicNote on the Goldbach conjecture
- Category nLab General Discussions
- Started by Richard Williamson
- Comments 9
- Last comment by Richard Williamson
- Last Active Feb 13th 2018

- Discussion Type
- discussion topicTate twists and twisted cohomology
- Category nLab General Discussions
- Started by Richard Williamson
- Comments 10
- Last comment by Richard Williamson
- Last Active Feb 11th 2018

- Discussion Type
- discussion topicsheaf: componentwise definition
- Category nLab General Discussions
- Started by tyler bryson
- Comments 3
- Last comment by tyler bryson
- Last Active Feb 6th 2018

- Discussion Type
- discussion topicidempotent monad squaring to identity, odd
- Category nLab General Discussions
- Started by jesuslop
- Comments 3
- Last comment by jesuslop
- Last Active Feb 4th 2018

- Discussion Type
- discussion topiclimits and colimits by example
- Category nLab General Discussions
- Started by Dexter Chua
- Comments 7
- Last comment by IngoBlechschmidt
- Last Active Feb 1st 2018

- Discussion Type
- discussion topicSaturation conditions on sites constructively
- Category nLab General Discussions
- Started by IngoBlechschmidt
- Comments 7
- Last comment by DavidRoberts
- Last Active Jan 30th 2018

- Discussion Type
- discussion topicDescent for categories of sheaves
- Category nLab General Discussions
- Started by Dmitri Pavlov
- Comments 4
- Last comment by Dmitri Pavlov
- Last Active Jan 26th 2018

- Discussion Type
- discussion topicinductive-inductive type
- Category nLab General Discussions
- Started by David_Corfield
- Comments 10
- Last comment by spitters
- Last Active Jan 23rd 2018

- Discussion Type
- discussion topicmathforge
- Category nLab General Discussions
- Started by spitters
- Comments 3
- Last comment by Mike Shulman
- Last Active Jan 4th 2018

- Discussion Type
- discussion topicGNS construction
- Category nLab General Discussions
- Started by Todd_Trimble
- Comments 10
- Last comment by DavidRoberts
- Last Active Dec 10th 2017

- Discussion Type
- discussion topicFeynman categories
- Category nLab General Discussions
- Started by Peter Heinig
- Comments 2
- Last comment by Jon Beardsley
- Last Active Dec 9th 2017

- Discussion Type
- discussion topicFingerprints and Displays
- Category nLab General Discussions
- Started by maxsnew
- Comments 7
- Last comment by maxsnew
- Last Active Nov 29th 2017

- Discussion Type
- discussion topicPages showing errors
- Category nLab General Discussions
- Started by David_Corfield
- Comments 15
- Last comment by Urs
- Last Active Nov 26th 2017

- Discussion Type
- discussion topicMO question on Kaehler differentials
- Category nLab General Discussions
- Started by Todd_Trimble
- Comments 1
- Last comment by Todd_Trimble
- Last Active Nov 25th 2017

- Discussion Type
- discussion topicError 1001
- Category nLab General Discussions
- Started by Tim_Porter
- Comments 7
- Last comment by Urs
- Last Active Nov 23rd 2017

- Discussion Type
- discussion topicWeak factorization system - closure under coproducts
- Category nLab General Discussions
- Started by mmuddasani
- Comments 3
- Last comment by mmuddasani
- Last Active Nov 21st 2017

- Discussion Type
- discussion topicThe definition of a Lie algebra object
- Category nLab General Discussions
- Started by Bartek
- Comments 5
- Last comment by Urs
- Last Active Nov 19th 2017

- Discussion Type
- discussion topicopfibration better than fibration in the category of elements
- Category nLab General Discussions
- Started by jesuslop
- Comments 4
- Last comment by jesuslop
- Last Active Nov 13th 2017

- Discussion Type
- discussion topicSpecial Gamma-categories and unbiased symmetric monoidal categories
- Category nLab General Discussions
- Started by Bruno Stonek
- Comments 2
- Last comment by DavidRoberts
- Last Active Nov 13th 2017

- Discussion Type
- discussion topic"stable homotopy type theory"
- Category nLab General Discussions
- Started by Todd_Trimble
- Comments 45
- Last comment by Mike Shulman
- Last Active Oct 26th 2017

- Discussion Type
- discussion topic(infinity,1)-functor
- Category nLab General Discussions
- Started by Baptiste
- Comments 6
- Last comment by Baptiste
- Last Active Oct 23rd 2017

- Discussion Type
- discussion topicheuristic
- Category nLab General Discussions
- Started by Todd_Trimble
- Comments 13
- Last comment by Urs
- Last Active Oct 19th 2017

- Discussion Type
- discussion topichyperlink design
- Category nLab General Discussions
- Started by umut
- Comments 37
- Last comment by Urs
- Last Active Oct 17th 2017

- Discussion Type
- discussion topicSemicartesian Monoidal category
- Category nLab General Discussions
- Started by maxsnew
- Comments 2
- Last comment by Todd_Trimble
- Last Active Oct 14th 2017

- Discussion Type
- discussion topicWhy no page for adjoint strings?
- Category nLab General Discussions
- Started by Keith Harbaugh
- Comments 29
- Last comment by David_Corfield
- Last Active Oct 10th 2017

- Discussion Type
- discussion topicduploid
- Category nLab General Discussions
- Started by maxsnew
- Comments 22
- Last comment by maxsnew
- Last Active Oct 2nd 2017