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 anomalies arithmetic arithmetic-geometry beauty bundles calculus categorical categories category category-theory chern-weil-theory cohesion cohesive-homotopy-theory cohesive-homotopy-type-theory cohomology colimits combinatorics 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 homological homological-algebra homotopy homotopy-theory homotopy-type-theory hypercovers index-theory infinity integration-theory k-theory kan lie lie-theory limit limits linear linear-algebra locale localization logic manifolds mathematics measure-theory modal-logic model model-category-theory model-theory monad monoidal monoidal-category-theory morphism motives motivic-cohomology newpage nforum nonassociative noncommutative noncommutative-geometry number-theory of operads operator operator-algebra order-theory 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 superalgebra supergeometry symplectic-geometry synthetic-differential-geometry terminology theory topological topology topos topos-theory tqft type type-theory universal web

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 topicPeter Freyd
- Category nLab General Discussions
- Started by Tim_Porter
- Comments 5
- Last comment by TobyBartels
- Last Active Jan 23rd 2017

- Discussion Type
- discussion topicnPOV on Complexity Theory?
- Category nLab General Discussions
- Started by SaalHardali
- Comments 4
- Last comment by Mike Shulman
- Last Active Jan 21st 2017

- Discussion Type
- discussion topicGalois groups
- Category nLab General Discussions
- Started by Mateo_Carmona_G
- Comments 1
- Last comment by Mateo_Carmona_G
- Last Active Jan 20th 2017

- Discussion Type
- discussion topicApproximate IVT
- Category nLab General Discussions
- Started by Richard Williamson
- Comments 131
- Last comment by Richard Williamson
- Last Active Jan 2nd 2017

- Discussion Type
- discussion topicGerbe (as a stack)
- Category nLab General Discussions
- Started by hilbertthm90
- Comments 5
- Last comment by Urs
- Last Active Dec 27th 2016

- Discussion Type
- discussion topicPoincarĂ© conjecture
- Category nLab General Discussions
- Started by Richard Williamson
- Comments 5
- Last comment by Richard Williamson
- Last Active Dec 23rd 2016

- Discussion Type
- discussion topicSimple question about the core of categories.
- Category nLab General Discussions
- Started by KeithEPeterson
- Comments 3
- Last comment by TobyBartels
- Last Active Dec 21st 2016

- Discussion Type
- discussion topicGLAV constraints
- Category nLab General Discussions
- Started by John Baez
- Comments 10
- Last comment by Todd_Trimble
- Last Active Dec 11th 2016

- Discussion Type
- discussion topicExamples/Theory of "Improvement"?
- Category nLab General Discussions
- Started by maxsnew
- Comments 4
- Last comment by maxsnew
- Last Active Dec 10th 2016

- Discussion Type
- discussion topicOvercategory
- Category nLab General Discussions
- Started by Bubbles
- Comments 45
- Last comment by Mike Shulman
- Last Active Dec 6th 2016

- Discussion Type
- discussion topicSheafification in constructive predicative mathematics
- Category nLab General Discussions
- Started by Ulrik
- Comments 3
- Last comment by IngoBlechschmidt
- Last Active Dec 2nd 2016

- Discussion Type
- discussion topicElephant part 3
- Category nLab General Discussions
- Started by spitters
- Comments 2
- Last comment by David_Corfield
- Last Active Nov 22nd 2016

- Discussion Type
- discussion topicLeft adjoint to the Grothendieck construction
- Category nLab General Discussions
- Started by Dmitri Pavlov
- Comments 9
- Last comment by Dmitri Pavlov
- Last Active Nov 22nd 2016

- Discussion Type
- discussion topicClarity on (infinity, n)-modules
- Category nLab General Discussions
- Started by Monadic
- Comments 4
- Last comment by Monadic
- Last Active Nov 12th 2016

- Discussion Type
- discussion topicpersonal web space request
- Category nLab General Discussions
- Started by Noam_Zeilberger
- Comments 11
- Last comment by DavidRoberts
- Last Active Nov 10th 2016

- Discussion Type
- discussion topicPseudomonoids
- Category nLab General Discussions
- Started by lentic catachresis
- Comments 6
- Last comment by Jon Beardsley
- Last Active Nov 7th 2016

- Discussion Type
- discussion topicnlab logo
- Category nLab General Discussions
- Started by PaoloPerrone
- Comments 5
- Last comment by zskoda
- Last Active Nov 3rd 2016

- Discussion Type
- discussion topic"Canonical" functor from E_n algebras into Pois_n algebras?
- Category nLab General Discussions
- Started by JoWing
- Comments 3
- Last comment by Todd_Trimble
- Last Active Oct 26th 2016

- Discussion Type
- discussion topicinductive-inductive type
- Category nLab General Discussions
- Started by David_Corfield
- Comments 8
- Last comment by David_Corfield
- Last Active Oct 19th 2016

- Discussion Type
- discussion topicThe homotopy theory of modal type theories?
- Category nLab General Discussions
- Started by Urs
- Comments 3
- Last comment by Urs
- Last Active Oct 15th 2016

- Discussion Type
- discussion topicWhy is a (0,1)-topos a cHa?
- Category nLab General Discussions
- Started by sherman
- Comments 11
- Last comment by Mike Shulman
- Last Active Oct 1st 2016

- Discussion Type
- discussion topiclimits and colimits by example
- Category nLab General Discussions
- Started by Dexter Chua
- Comments 6
- Last comment by Todd_Trimble
- Last Active Sep 25th 2016

- Discussion Type
- discussion topicInstantons on S^5
- Category nLab General Discussions
- Started by DavidRoberts
- Comments 2
- Last comment by DavidRoberts
- Last Active Sep 21st 2016

- Discussion Type
- discussion topicInfinite judgements
- Category nLab General Discussions
- Started by Thomas Holder
- Comments 15
- Last comment by Thomas Holder
- Last Active Sep 6th 2016

- Discussion Type
- discussion topicTowers
- Category nLab General Discussions
- Started by Tim_Porter
- Comments 5
- Last comment by Urs
- Last Active Aug 30th 2016

- Discussion Type
- discussion topicrelational physics?
- Category nLab General Discussions
- Started by gmlewis
- Comments 10
- Last comment by gmlewis
- Last Active Aug 28th 2016

- 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 Aug 27th 2016

- Discussion Type
- discussion topicRegarding bifunctors and "bifunctorality"
- Category nLab General Discussions
- Started by fastlane69
- Comments 5
- Last comment by fastlane69
- Last Active Aug 15th 2016

- Discussion Type
- discussion topicdense sub-site
- Category nLab General Discussions
- Started by Dexter Chua
- Comments 35
- Last comment by DavidRoberts
- Last Active Aug 15th 2016

- Discussion Type
- discussion topichypergraphs as 2-colored graphs
- Category nLab General Discussions
- Started by Noam_Zeilberger
- Comments 21
- Last comment by Thomas Holder
- Last Active Aug 10th 2016