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-type-theory cohomology colimits combinatorics comma complex complex-geometry computable-mathematics computer-science constructive constructive-mathematics cosmology definitions deformation-theory descent diagrams differential differential-cohomology 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 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 infinity integration-theory k-theory kan lie-theory limit limits linear linear-algebra locale localization logic manifolds mathematics measure-theory modal-logic model model-category-theory monoidal monoidal-category-theory morphism motives motivic-cohomology newpage nonassociative noncommutative noncommutative-geometry number-theory of operads operator operator-algebra order-theory pasting philosophy physics planar 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 subobject superalgebra supergeometry svg symplectic-geometry synthetic-differential-geometry terminology theory topology topos topos-theory tqft type type-theory universal

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 topicmore on Cauchy completion
- Category Latest Changes
- Started by Todd_Trimble
- Comments 3
- Last comment by Urs
- Last Active Oct 24th 2009

- Discussion Type
- discussion topicpersonal areas
- Category Mathematics, Physics & Philosophy
- Started by bwebster
- Comments 3
- Last comment by TobyBartels
- Last Active Oct 24th 2009

- Discussion Type
- discussion topicHide the Trash?
- Category n-Forum
- Started by TobyBartels
- Comments 4
- Last comment by TobyBartels
- Last Active Oct 24th 2009

- Discussion Type
- discussion topicquo vadis
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 37
- Last comment by JonAwbrey
- Last Active Oct 23rd 2009

- Discussion Type
- discussion topicUnitarity of induced representations
- Category Latest Changes
- Started by TobyBartels
- Comments 1
- Last comment by TobyBartels
- Last Active Oct 22nd 2009

- Discussion Type
- discussion topicJohan Louis Dupont
- Category Latest Changes
- Started by Urs
- Comments 4
- Last comment by Urs
- Last Active Oct 22nd 2009

- Discussion Type
- discussion topicMike Stay has written …
- Category Latest Changes
- Started by TobyBartels
- Comments 11
- Last comment by TobyBartels
- Last Active Oct 22nd 2009

- Discussion Type
- discussion topicRegular categories
- Category Latest Changes
- Started by amathew
- Comments 9
- Last comment by TobyBartels
- Last Active Oct 22nd 2009

- Discussion Type
- discussion topicAccepting the Categorical Imperative: defining Categories without ZFC+U+++
- Category Mathematics, Physics & Philosophy
- Started by StephenGaito
- Comments 25
- Last comment by JonAwbrey
- Last Active Oct 22nd 2009

- Discussion Type
- discussion topicsite-dependence of model structure on simplicial presheaves
- Category Latest Changes
- Started by Urs
- Comments 6
- Last comment by Urs
- Last Active Oct 22nd 2009

- Discussion Type
- discussion topicbisimplicial object
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Oct 20th 2009

- Discussion Type
- discussion topicsimplicial deRham complex
- Category Latest Changes
- Started by Urs
- Comments 5
- Last comment by Urs
- Last Active Oct 20th 2009

- Discussion Type
- discussion topicLars Kindler
- Category Latest Changes
- Started by TobyBartels
- Comments 1
- Last comment by TobyBartels
- Last Active Oct 20th 2009

- Discussion Type
- discussion topicNeed To Lighten Up Preformatted Text
- Category Diagrams
- Started by JonAwbrey
- Comments 5
- Last comment by Andrew Stacey
- Last Active Oct 20th 2009

- Discussion Type
- discussion topicAre people interested in a FireFox nForum SearchPlugin?
- Category n-Forum
- Started by StephenGaito
- Comments 10
- Last comment by StephenGaito
- Last Active Oct 20th 2009

- Discussion Type
- discussion topic$$(n,n+1)$$-categories
- Category Latest Changes
- Started by TobyBartels
- Comments 2
- Last comment by Urs
- Last Active Oct 20th 2009

- Discussion Type
- discussion topicmatrix mechanics
- Category Latest Changes
- Started by David_Corfield
- Comments 10
- Last comment by David_Corfield
- Last Active Oct 20th 2009

- Discussion Type
- discussion topicringoid
- Category Latest Changes
- Started by Mike Shulman
- Comments 5
- Last comment by TobyBartels
- Last Active Oct 20th 2009

- Discussion Type
- discussion topic[[Jason Dusek]] joined and inspired me to start [[2-rig]].
- Category Latest Changes
- Started by TobyBartels
- Comments 1
- Last comment by TobyBartels
- Last Active Oct 20th 2009

- Discussion Type
- discussion topicNew entry: [[poincare group]]
- Category Latest Changes
- Started by Todd_Trimble
- Comments 7
- Last comment by TobyBartels
- Last Active Oct 20th 2009

- Discussion Type
- discussion topicWrote [[short map]] and expanded [[isometry]]. (n/t)
- Category Latest Changes
- Started by TobyBartels
- Comments 1
- Last comment by TobyBartels
- Last Active Oct 20th 2009

- Discussion Type
- discussion topicG-principal oo-bundle
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Oct 19th 2009

- Discussion Type
- discussion topic[[distribution]]
- Category Latest Changes
- Started by Todd_Trimble
- Comments 3
- Last comment by zskoda
- Last Active Oct 19th 2009

- Discussion Type
- discussion topicRequest for Help
- Category Latest Changes
- Started by Andrew Stacey
- Comments 1
- Last comment by Andrew Stacey
- Last Active Oct 19th 2009

- Discussion Type
- discussion topic[[two-valued topos]]
- Category Latest Changes
- Started by TobyBartels
- Comments 3
- Last comment by Mike Shulman
- Last Active Oct 19th 2009

- Discussion Type
- discussion topicReply to Roger Witte at [[foundations]]. (n/t)
- Category Latest Changes
- Started by TobyBartels
- Comments 1
- Last comment by TobyBartels
- Last Active Oct 18th 2009

- Discussion Type
- discussion topicSch/S and S-Sch (notational point)
- Category Latest Changes
- Started by amathew
- Comments 3
- Last comment by zskoda
- Last Active Oct 18th 2009

- Discussion Type
- discussion topicNeed Straighter Arrows For Type Specs
- Category Diagrams
- Started by JonAwbrey
- Comments 2
- Last comment by TobyBartels
- Last Active Oct 17th 2009

- Discussion Type
- discussion topicMinor changes (Hecke algebra, Hilbert basis theorem, additive envelope, etc.)
- Category Latest Changes
- Started by amathew
- Comments 4
- Last comment by JonAwbrey
- Last Active Oct 17th 2009

- Discussion Type
- discussion topicAkil Mathew
- Category Latest Changes
- Started by Urs
- Comments 3
- Last comment by Todd_Trimble
- Last Active Oct 17th 2009