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 bundles calculus categorical categories category category-theory chern-weil-theory cohesion cohesive-homotopy-type-theory cohomology colimits combinatorics complex-geometry computable-mathematics computer-science constructive cosmology definitions deformation-theory descent diagrams differential differential-cohomology differential-equations differential-geometry digraphs duality elliptic-cohomology enriched fibration 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 k-theory kan lie-theory limit limits linear linear-algebra locale localization logic mathematics measure-theory modal modal-logic model model-category-theory monad monads monoidal monoidal-category-theory morphism motives motivic-cohomology newpage nlab nonassociative noncommutative noncommutative-geometry number-theory object 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 string string-theory subobject superalgebra supergeometry svg symplectic-geometry synthetic-differential-geometry terminology theory topology topos topos-theory 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 topicTerminology for "non-higher" category theory
- Category Mathematics, Physics & Philosophy
- Started by Harry Gindi
- Comments 9
- Last comment by Todd_Trimble
- Last Active Dec 14th 2009

- Discussion Type
- discussion topicframed bicategory
- Category Latest Changes
- Started by Urs
- Comments 2
- Last comment by TobyBartels
- Last Active Dec 13th 2009

- Discussion Type
- discussion topicEdit conflict at [[model structure on dendroidal sets]]
- Category Latest Changes
- Started by TobyBartels
- Comments 4
- Last comment by TobyBartels
- Last Active Dec 11th 2009

- Discussion Type
- discussion topic(oo,1)-operads
- Category Latest Changes
- Started by Urs
- Comments 6
- Last comment by Urs
- Last Active Dec 11th 2009

- Discussion Type
- discussion topicObjections by Maarten
- Category Latest Changes
- Started by TobyBartels
- Comments 3
- Last comment by Urs
- Last Active Dec 10th 2009

- Discussion Type
- discussion topicCategorification vs laxification
- Category Latest Changes
- Started by TobyBartels
- Comments 20
- Last comment by TobyBartels
- Last Active Dec 10th 2009

- Discussion Type
- discussion topichomotopy coinvariants
- Category Latest Changes
- Started by zskoda
- Comments 1
- Last comment by zskoda
- Last Active Dec 10th 2009

- Discussion Type
- discussion topicPresenting categories with large simplicial sets
- Category Latest Changes
- Started by TobyBartels
- Comments 2
- Last comment by Harry Gindi
- Last Active Dec 10th 2009

- Discussion Type
- discussion topicGavin Wraith wrote [[geometric theory]].
- Category Latest Changes
- Started by TobyBartels
- Comments 1
- Last comment by TobyBartels
- Last Active Dec 9th 2009

- Discussion Type
- discussion topicA question on derived functors
- Category Mathematics, Physics & Philosophy
- Started by domenico_fiorenza
- Comments 8
- Last comment by Mike Shulman
- Last Active Dec 9th 2009

- Discussion Type
- discussion topicFrom d-dimensional to (d-1)-dimensional extended TQFTs
- Category Mathematics, Physics & Philosophy
- Started by domenico_fiorenza
- Comments 1
- Last comment by domenico_fiorenza
- Last Active Dec 9th 2009

- Discussion Type
- discussion topicEvil composition
- Category Latest Changes
- Started by Harry Gindi
- Comments 2
- Last comment by Andrew Stacey
- Last Active Dec 9th 2009

- Discussion Type
- discussion topicHigher Category Theory summer research opportunities?
- Category Mathematics, Physics & Philosophy
- Started by Harry Gindi
- Comments 3
- Last comment by Harry Gindi
- Last Active Dec 9th 2009

- Discussion Type
- discussion topicTypes of shapes of limit cones
- Category Latest Changes
- Started by domenico_fiorenza
- Comments 5
- Last comment by TobyBartels
- Last Active Dec 9th 2009

- Discussion Type
- discussion topicPersonal web updated
- Category Latest Changes
- Started by Guest
- Comments 7
- Last comment by Guest
- Last Active Dec 9th 2009

- Discussion Type
- discussion topicEckmann-Hilton duality
- Category Latest Changes
- Started by zskoda
- Comments 11
- Last comment by zskoda
- Last Active Dec 8th 2009

- Discussion Type
- discussion topicCategory theory
- Category Latest Changes
- Started by Guest
- Comments 3
- Last comment by TobyBartels
- Last Active Dec 7th 2009

- Discussion Type
- discussion topicuniversal algebra in a monoidal category
- Category Latest Changes
- Started by Andrew Stacey
- Comments 35
- Last comment by Andrew Stacey
- Last Active Dec 7th 2009

- Discussion Type
- discussion topicDefinition of extended TQFT
- Category Latest Changes
- Started by domenico_fiorenza
- Comments 6
- Last comment by domenico_fiorenza
- Last Active Dec 5th 2009

- Discussion Type
- discussion topicLong time lurker, first time writer
- Category Latest Changes
- Started by TobyBartels
- Comments 1
- Last comment by TobyBartels
- Last Active Dec 5th 2009

- Discussion Type
- discussion topicn-lab and copyright/licenses
- Category nLab Organisation
- Started by Andrew Stacey
- Comments 3
- Last comment by TobyBartels
- Last Active Dec 5th 2009

- Discussion Type
- discussion topicferrim
- Category Latest Changes
- Started by Andrew Stacey
- Comments 9
- Last comment by Andrew Stacey
- Last Active Dec 4th 2009

- Discussion Type
- discussion topicNormal monomorphisms between dendroidal sets.
- Category Latest Changes
- Started by TobyBartels
- Comments 3
- Last comment by TobyBartels
- Last Active Dec 4th 2009

- Discussion Type
- discussion topicsymmetric spectra
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Dec 4th 2009

- Discussion Type
- discussion topicH-space
- Category Latest Changes
- Started by zskoda
- Comments 1
- Last comment by zskoda
- Last Active Dec 4th 2009

- Discussion Type
- discussion topicAnonymous question
- Category Latest Changes
- Started by TobyBartels
- Comments 1
- Last comment by TobyBartels
- Last Active Dec 4th 2009

- Discussion Type
- discussion topiccube
- Category Latest Changes
- Started by Guest
- Comments 1
- Last comment by Guest
- Last Active Dec 4th 2009

- Discussion Type
- discussion topicinitial algebras via ends
- Category Mathematics, Physics & Philosophy
- Started by Todd_Trimble
- Comments 2
- Last comment by TobyBartels
- Last Active Dec 4th 2009

- Discussion Type
- discussion topic1-category equipment
- Category Latest Changes
- Started by Urs
- Comments 13
- Last comment by TobyBartels
- Last Active Dec 4th 2009

- Discussion Type
- discussion topicn-connected spaces and E-n spaces
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Dec 3rd 2009

- Discussion Type
- discussion topicequipment
- Category Latest Changes
- Started by Mike Shulman
- Comments 1
- Last comment by Mike Shulman
- Last Active Dec 2nd 2009

- Discussion Type
- discussion topicsmall presheaves
- Category Latest Changes
- Started by Mike Shulman
- Comments 1
- Last comment by Mike Shulman
- Last Active Dec 2nd 2009

- Discussion Type
- discussion topicdirected colimit
- Category Latest Changes
- Started by Urs
- Comments 13
- Last comment by zskoda
- Last Active Nov 30th 2009

- Discussion Type
- discussion topicthis and that
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Nov 30th 2009

- Discussion Type
- discussion topicDold-Kan correspondence
- Category Latest Changes
- Started by John Baez
- Comments 2
- Last comment by Urs
- Last Active Nov 29th 2009

- Discussion Type
- discussion topicquestion at [[CommCoalg]]
- Category Latest Changes
- Started by Todd_Trimble
- Comments 3
- Last comment by Todd_Trimble
- Last Active Nov 29th 2009

- Discussion Type
- discussion topicMore on algebraic categories
- Category Latest Changes
- Started by TobyBartels
- Comments 1
- Last comment by TobyBartels
- Last Active Nov 28th 2009

- Discussion Type
- discussion topicAm I the only one who doesn't like the term 'comonoidal functor'?
- Category Latest Changes
- Started by TobyBartels
- Comments 1
- Last comment by TobyBartels
- Last Active Nov 28th 2009

- Discussion Type
- discussion topicWarning: Don't assume redirects!
- Category Mathematics, Physics & Philosophy
- Started by TobyBartels
- Comments 11
- Last comment by TobyBartels
- Last Active Nov 26th 2009

- Discussion Type
- discussion topicskeletality and uniqueness
- Category Latest Changes
- Started by Mike Shulman
- Comments 1
- Last comment by Mike Shulman
- Last Active Nov 25th 2009

- Discussion Type
- discussion topic[[category of cocommutative coalgebras]]
- Category Latest Changes
- Started by Todd_Trimble
- Comments 23
- Last comment by Mike Shulman
- Last Active Nov 25th 2009

- Discussion Type
- discussion topicBousfield localization of triangulated categories
- Category Latest Changes
- Started by Urs
- Comments 2
- Last comment by zskoda
- Last Active Nov 25th 2009

- Discussion Type
- discussion topicZen Garden
- Category Latest Changes
- Started by Andrew Stacey
- Comments 29
- Last comment by TobyBartels
- Last Active Nov 24th 2009

- Discussion Type
- discussion topicshifted tangent bundle
- Category Latest Changes
- Started by Urs
- Comments 2
- Last comment by TobyBartels
- Last Active Nov 24th 2009

- Discussion Type
- discussion topicConversations …
- Category Latest Changes
- Started by TobyBartels
- Comments 1
- Last comment by TobyBartels
- Last Active Nov 24th 2009

- Discussion Type
- discussion topicWhich fonts do I need for the nLab?
- Category Mathematics, Physics & Philosophy
- Started by martin1456
- Comments 7
- Last comment by TobyBartels
- Last Active Nov 23rd 2009

- Discussion Type
- discussion topicEtymology and pronunciation for ‘ionad’
- Category Latest Changes
- Started by TobyBartels
- Comments 9
- Last comment by TobyBartels
- Last Active Nov 23rd 2009

- Discussion Type
- discussion topicLab crashed
- Category nLab Technical Matters
- Started by TobyBartels
- Comments 4
- Last comment by TobyBartels
- Last Active Nov 23rd 2009

- Discussion Type
- discussion topiclocal object
- Category Latest Changes
- Started by Urs
- Comments 2
- Last comment by Urs
- Last Active Nov 23rd 2009

- Discussion Type
- discussion topicGreg Egan's Euclidean geometry
- Category Latest Changes
- Started by TobyBartels
- Comments 1
- Last comment by TobyBartels
- Last Active Nov 22nd 2009

- Discussion Type
- discussion topicLevels of Access
- Category nLab Organisation
- Started by Andrew Stacey
- Comments 21
- Last comment by Andrew Stacey
- Last Active Nov 21st 2009

- Discussion Type
- discussion topicn-IRC?
- Category n-Forum
- Started by Harry Gindi
- Comments 12
- Last comment by Andrew Stacey
- Last Active Nov 21st 2009

- Discussion Type
- discussion topiccohomology
- Category Latest Changes
- Started by Urs
- Comments 4
- Last comment by zskoda
- Last Active Nov 20th 2009

- Discussion Type
- discussion topicBackups
- Category nLab Organisation
- Started by Andrew Stacey
- Comments 8
- Last comment by Andrew Stacey
- Last Active Nov 20th 2009

- Discussion Type
- discussion topicQuery at [[2-pullback]]
- Category Latest Changes
- Started by TobyBartels
- Comments 12
- Last comment by zskoda
- Last Active Nov 20th 2009

- Discussion Type
- discussion topicSomething to warm our hearts
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 1
- Last comment by David_Corfield
- Last Active Nov 20th 2009

- Discussion Type
- discussion topicFull iamge
- Category Latest Changes
- Started by Guest
- Comments 1
- Last comment by Guest
- Last Active Nov 20th 2009

- Discussion Type
- discussion topicCategory theory vs order theory
- Category Latest Changes
- Started by TobyBartels
- Comments 53
- Last comment by TobyBartels
- Last Active Nov 20th 2009

- Discussion Type
- discussion topicTwo new articles
- Category Latest Changes
- Started by TobyBartels
- Comments 1
- Last comment by TobyBartels
- Last Active Nov 20th 2009

- Discussion Type
- discussion topicnegative thinking
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Nov 19th 2009