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

(0 2-category 2-category-theory abelian-categories adjoint algebra algebraic algebraic-geometry algebraic-topology analysis analytic-geometry arithmetic arithmetic-geometry beauty bundle bundles calculus categories category category-theory chern-simons-theory chern-weil-theory cobordism cohesion cohesive-homotopy-theory cohesive-homotopy-type-theory cohomology colimits combinatorics comma complex complex-geometry computable-mathematics computer-science constructive constructive-mathematics cosmology deformation-theory descent differential differential-cohomology differential-geometry duality education elliptic-cohomology enriched fibration foundations functional-analysis functor galois-theory gauge-theory gebra general topology geometric-quantization geometry goodwillie-calculus gravity group-theory higher higher-algebra higher-category-theory higher-differential-geometry higher-geometry higher-lie-theory higher-topos-theory history homological homological-algebra homotopy homotopy-theory homotopy-type-theory hypercovers index-theory infinity integration-theory internal-categories k-theory kan lie-theory limit limits linear linear-algebra locale localization logic manifolds mathematics measure measure-theory modal-logic model model-category-theory monoidal monoidal-category monoidal-category-theory morphism motives motivic-cohomology newpage nonassociative noncommutative noncommutative-geometry number-theory of operads operator operator-algebra order-theory phenomenology 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 set set-theory sheaf simplicial space spin-geometry stable-homotopy-theory stack string string-theory subobject supergeometry symplectic-geometry synthetic-differential-geometry terminology theory topological topology topos topos-theory tqft type type-theory

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 topicBanach-Alaoglu theorem
- Category Latest Changes
- Started by DavidRoberts
- Comments 8
- Last comment by DavidRoberts
- Last Active 3 hours ago

- Discussion Type
- discussion topicind-object
- Category Latest Changes
- Started by Urs
- Comments 14
- Last comment by zskoda
- Last Active 9 hours ago

- Discussion Type
- discussion topicReference request: nucleotides as adjoints
- Category Mathematics, Physics & Philosophy
- Started by fastlane69
- Comments 1
- Last comment by fastlane69
- Last Active 9 hours ago

- Discussion Type
- discussion topicdihedral homology
- Category Latest Changes
- Started by Urs
- Comments 2
- Last comment by zskoda
- Last Active 9 hours ago

- Discussion Type
- discussion topicfactorization algebra
- Category Latest Changes
- Started by Urs
- Comments 8
- Last comment by zskoda
- Last Active 10 hours ago

- Discussion Type
- discussion topicpro-manifold
- Category Latest Changes
- Started by Urs
- Comments 5
- Last comment by Urs
- Last Active 10 hours ago

- Discussion Type
- discussion topicTowers
- Category nLab General Discussions
- Started by Tim_Porter
- Comments 5
- Last comment by Urs
- Last Active 10 hours ago

- Discussion Type
- discussion topicquest for generalized cohomology theory for M-brane charges
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 7
- Last comment by Urs
- Last Active 12 hours ago

- Discussion Type
- discussion topicSketch
- Category Latest Changes
- Started by David_Corfield
- Comments 3
- Last comment by Dexter Chua
- Last Active 1 day ago

- Discussion Type
- discussion topicrelational physics?
- Category nLab General Discussions
- Started by gmlewis
- Comments 10
- Last comment by gmlewis
- Last Active 2 days ago

- Discussion Type
- discussion topicpage length and subdivision
- Category nLab Organisation
- Started by Mike Shulman
- Comments 14
- Last comment by TobyBartels
- Last Active 2 days ago

- Discussion Type
- discussion topicmonoidal category > pentagon
- Category Diagrams
- Started by Urs
- Comments 17
- Last comment by TobyBartels
- Last Active 2 days ago

- Discussion Type
- discussion topicReference--result quoted on nLab page for Filters
- Category nLab General Discussions
- Started by tyler bryson
- Comments 4
- Last comment by TobyBartels
- Last Active 3 days ago

- Discussion Type
- discussion topicspacing problem
- Category nLab Technical Matters
- Started by Urs
- Comments 7
- Last comment by TobyBartels
- Last Active 3 days ago

- Discussion Type
- discussion topicexponential object
- Category Latest Changes
- Started by Urs
- Comments 6
- Last comment by Mike Shulman
- Last Active 5 days ago

- Discussion Type
- discussion topicmotivating supersymmetry from Deligne's theorem on tensor categories
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 31
- Last comment by DavidRoberts
- Last Active 5 days ago

- Discussion Type
- discussion topicexegesis of "Some Thoughts on the Future of Category Theory"
- Category Latest Changes
- Started by Urs
- Comments 15
- Last comment by Todd_Trimble
- Last Active 5 days ago

- Discussion Type
- discussion topicclosed subspace
- Category Latest Changes
- Started by Urs
- Comments 2
- Last comment by Todd_Trimble
- Last Active 5 days ago

- Discussion Type
- discussion topicAn Exercise in Kantization
- Category Mathematics, Physics & Philosophy
- Started by Eric
- Comments 6
- Last comment by Urs
- Last Active 5 days ago

- Discussion Type
- discussion topicPlatonic 2-group
- Category Latest Changes
- Started by Urs
- Comments 3
- Last comment by Urs
- Last Active 5 days ago

- Discussion Type
- discussion topicInfinite judgements
- Category nLab General Discussions
- Started by Thomas Holder
- Comments 13
- Last comment by Tim_Porter
- Last Active 5 days ago

- Discussion Type
- discussion topicglobal family
- Category Latest Changes
- Started by Urs
- Comments 22
- Last comment by Urs
- Last Active 5 days ago

- Discussion Type
- discussion topicfinite topological space
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active 6 days ago

- Discussion Type
- discussion topicIonad
- Category Latest Changes
- Started by Tim_Porter
- Comments 6
- Last comment by Mike Shulman
- Last Active Aug 22nd 2016

- Discussion Type
- discussion topicfaithful representation
- Category Latest Changes
- Started by Urs
- Comments 7
- Last comment by Urs
- Last Active Aug 22nd 2016

- Discussion Type
- discussion topiccosmos
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 1
- Last comment by David_Corfield
- Last Active Aug 22nd 2016

- Discussion Type
- discussion topichypervirtual double category
- Category Latest Changes
- Started by Mike Shulman
- Comments 5
- Last comment by fastlane69
- Last Active Aug 21st 2016

- Discussion Type
- discussion topicAlbanese variety
- Category Latest Changes
- Started by John Baez
- Comments 29
- Last comment by John Baez
- Last Active Aug 21st 2016

- Discussion Type
- discussion topicBredon cohomology
- Category Latest Changes
- Started by Urs
- Comments 14
- Last comment by Mike Shulman
- Last Active Aug 20th 2016

- Discussion Type
- discussion topicM-theory lift of gauge enhancement on D6-branes
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Aug 20th 2016