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 book bundles calculus categorical categories category category-theory chern-weil-theory cohesion cohesive-homotopy-type-theory cohomology colimits combinatorics complex complex-geometry computable-mathematics computer-science constructive cosmology deformation-theory descent diagrams differential differential-cohomology differential-equations differential-geometry digraphs duality elliptic-cohomology enriched fibration foundation 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 lie-theory 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 nforum nlab noncommutative noncommutative-geometry number-theory 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 sheaves simplicial space spin-geometry stable-homotopy-theory stack string string-theory 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 topicQuick help with translating something from French.
- Category Mathematics, Physics & Philosophy
- Started by Harry Gindi
- Comments 3
- Last comment by Harry Gindi
- Last Active Jun 2nd 2010

- Discussion Type
- discussion topicnLab and funding agencies question
- Category nLab General Discussions
- Started by Ian_Durham
- Comments 1
- Last comment by Ian_Durham
- Last Active Jun 2nd 2010

- Discussion Type
- discussion topicHelp get Opera to fully support MathML
- Category Mathematics, Physics & Philosophy
- Started by Harry Gindi
- Comments 3
- Last comment by Ian_Durham
- Last Active Jun 2nd 2010

- Discussion Type
- discussion topicdependent choice
- Category Latest Changes
- Started by Todd_Trimble
- Comments 26
- Last comment by TobyBartels
- Last Active Jun 1st 2010

- Discussion Type
- discussion topicFamilies of sets
- Category Latest Changes
- Started by TobyBartels
- Comments 1
- Last comment by TobyBartels
- Last Active Jun 1st 2010

- Discussion Type
- discussion topicThe STIX Fonts are FINALLY published!
- Category Lab Elf News
- Started by Andrew Stacey
- Comments 1
- Last comment by Andrew Stacey
- Last Active Jun 1st 2010

- Discussion Type
- discussion topicThe importance of functorial factorization in a model category
- Category Mathematics, Physics & Philosophy
- Started by Harry Gindi
- Comments 11
- Last comment by Urs
- Last Active Jun 1st 2010

- Discussion Type
- discussion topicHausdorff dimension
- Category Latest Changes
- Started by TobyBartels
- Comments 10
- Last comment by Eric
- Last Active Jun 1st 2010

- Discussion Type
- discussion topicLiveblogging on nCafĂ©
- Category Mathematics, Physics & Philosophy
- Started by Ian_Durham
- Comments 12
- Last comment by Ian_Durham
- Last Active Jun 1st 2010

- Discussion Type
- discussion topicHow should _specific_ mathematics questions be categorized?
- Category n-Forum
- Started by Harry Gindi
- Comments 4
- Last comment by Harry Gindi
- Last Active May 31st 2010

- Discussion Type
- discussion topicThe story of the past thirty years in categorical algebra?
- Category Mathematics, Physics & Philosophy
- Started by Harry Gindi
- Comments 16
- Last comment by Todd_Trimble
- Last Active May 31st 2010

- Discussion Type
- discussion topictriangulated categories, derivators and the current state
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 13
- Last comment by Mike Shulman
- Last Active May 31st 2010

- Discussion Type
- discussion topicdifferentiable Lie group cohomology as intrinsic (oo,1)-topos cohomology
- Category Latest Changes
- Started by Urs
- Comments 3
- Last comment by Urs
- Last Active May 31st 2010

- Discussion Type
- discussion topicVery quick question about a lemma from Lurie's Higher Topos Theory
- Category Mathematics, Physics & Philosophy
- Started by Harry Gindi
- Comments 7
- Last comment by Urs
- Last Active May 31st 2010

- Discussion Type
- discussion topicStacks and queues
- Category Latest Changes
- Started by TobyBartels
- Comments 2
- Last comment by TobyBartels
- Last Active May 30th 2010

- Discussion Type
- discussion topicname change
- Category Latest Changes
- Started by Todd_Trimble
- Comments 2
- Last comment by Todd_Trimble
- Last Active May 30th 2010

- Discussion Type
- discussion topicbasis
- Category Latest Changes
- Started by Urs
- Comments 22
- Last comment by zskoda
- Last Active May 29th 2010

- Discussion Type
- discussion topicnonabelian+homological+algebra
- Category Latest Changes
- Started by zskoda
- Comments 3
- Last comment by zskoda
- Last Active May 29th 2010

- Discussion Type
- discussion topiccoverages and localizations
- Category Latest Changes
- Started by zskoda
- Comments 26
- Last comment by zskoda
- Last Active May 29th 2010

- Discussion Type
- discussion topicsmooth bigroupoid and manifolds of mapping spaces
- Category Mathematics, Physics & Philosophy
- Started by Andrew Stacey
- Comments 4
- Last comment by DavidRoberts
- Last Active May 29th 2010

- Discussion Type
- discussion topiccrystalline cohomology
- Category Latest Changes
- Started by Urs
- Comments 4
- Last comment by zskoda
- Last Active May 28th 2010

- Discussion Type
- discussion topicDisambiguation versus Clarification
- Category nLab General Discussions
- Started by Andrew Stacey
- Comments 11
- Last comment by TobyBartels
- Last Active May 28th 2010

- Discussion Type
- discussion topicPush-forward of sections and fibre integration
- Category Mathematics, Physics & Philosophy
- Started by domenico_fiorenza
- Comments 18
- Last comment by Urs
- Last Active May 28th 2010

- Discussion Type
- discussion topicLiouville cocycle
- Category Mathematics, Physics & Philosophy
- Started by domenico_fiorenza
- Comments 3
- Last comment by domenico_fiorenza
- Last Active May 28th 2010

- Discussion Type
- discussion topictest
- Category n-Forum
- Started by TobyBartels
- Comments 34
- Last comment by Andrew Stacey
- Last Active May 28th 2010

- Discussion Type
- discussion topicIroning out the kinks
- Category n-Forum
- Started by Andrew Stacey
- Comments 7
- Last comment by TobyBartels
- Last Active May 28th 2010

- Discussion Type
- discussion topicDiagram of locally convex TVS properties
- Category Latest Changes
- Started by Andrew Stacey
- Comments 6
- Last comment by Andrew Stacey
- Last Active May 27th 2010

- Discussion Type
- discussion topicnumbered equations
- Category nLab Technical Matters
- Started by John Baez
- Comments 2
- Last comment by Urs
- Last Active May 27th 2010

- Discussion Type
- discussion topicbasis for a topology
- Category Latest Changes
- Started by Urs
- Comments 21
- Last comment by zskoda
- Last Active May 27th 2010

- Discussion Type
- discussion topictensoring over ooGrpd
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active May 27th 2010

- Discussion Type
- discussion topicGleason's theorem
- Category nLab General Discussions
- Started by DavidRoberts
- Comments 5
- Last comment by Tim_van_Beek
- Last Active May 27th 2010

- Discussion Type
- discussion topicTopos Methods in the Foundations of Physics
- Category Preprints & Publications
- Started by Eric
- Comments 58
- Last comment by Ian_Durham
- Last Active May 26th 2010

- Discussion Type
- discussion topic(oo,1)-category of (oo,1)-sheaves
- Category Latest Changes
- Started by Urs
- Comments 3
- Last comment by Urs
- Last Active May 26th 2010

- Discussion Type
- discussion topicKerr metric toplogy
- Category Mathematics, Physics & Philosophy
- Started by Ian_Durham
- Comments 27
- Last comment by Tim_van_Beek
- Last Active May 26th 2010

- Discussion Type
- discussion topicServing MathML
- Category nLab Technical Matters
- Started by Eric
- Comments 9
- Last comment by Andrew Stacey
- Last Active May 26th 2010

- Discussion Type
- discussion topic\rightrightarrows (resp. \leftleftarrows)
- Category Diagrams
- Started by Harry Gindi
- Comments 15
- Last comment by Harry Gindi
- Last Active May 26th 2010

- Discussion Type
- discussion topicmissing symbol on well-order
- Category nLab Technical Matters
- Started by DavidRoberts
- Comments 3
- Last comment by DavidRoberts
- Last Active May 26th 2010

- Discussion Type
- discussion topiccoloneq
- Category nLab Technical Matters
- Started by Eric
- Comments 13
- Last comment by TobyBartels
- Last Active May 26th 2010

- Discussion Type
- discussion topicoo-Lie groupoid
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active May 25th 2010

- Discussion Type
- discussion topictopological localization at coverage
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active May 25th 2010

- Discussion Type
- discussion topicwell ordered sets and countable subsets
- Category nLab General Discussions
- Started by DavidRoberts
- Comments 4
- Last comment by DavidRoberts
- Last Active May 25th 2010

- Discussion Type
- discussion topicPoincare sphere
- Category Latest Changes
- Started by Todd_Trimble
- Comments 1
- Last comment by Todd_Trimble
- Last Active May 25th 2010

- Discussion Type
- discussion topicOnline resource
- Category Latest Changes
- Started by David_Corfield
- Comments 1
- Last comment by David_Corfield
- Last Active May 24th 2010

- Discussion Type
- discussion topictriangulable spaces
- Category Latest Changes
- Started by Todd_Trimble
- Comments 1
- Last comment by Todd_Trimble
- Last Active May 24th 2010

- Discussion Type
- discussion topicDefinition at [numerable open cover]
- Category nLab General Discussions
- Started by Harry Gindi
- Comments 13
- Last comment by DavidRoberts
- Last Active May 24th 2010

- Discussion Type
- discussion topicVistoli, Notes on Grothendieck topologies, fibered categories and descent theory
- Category Latest Changes
- Started by Eric
- Comments 32
- Last comment by Urs
- Last Active May 24th 2010

- Discussion Type
- discussion topictopological topos
- Category nLab General Discussions
- Started by Todd_Trimble
- Comments 4
- Last comment by Todd_Trimble
- Last Active May 24th 2010

- Discussion Type
- discussion topicCurrying
- Category Latest Changes
- Started by TobyBartels
- Comments 17
- Last comment by Mike Shulman
- Last Active May 24th 2010

- Discussion Type
- discussion topicBrowser math display question: Opera
- Category nLab Technical Matters
- Started by Ian_Durham
- Comments 4
- Last comment by Ian_Durham
- Last Active May 24th 2010

- Discussion Type
- discussion topicHow to write hom-sets on the lab?
- Category nLab
- Started by Harry Gindi
- Comments 23
- Last comment by TobyBartels
- Last Active May 23rd 2010

- Discussion Type
- discussion topicHorizontal scroll bar for wide math displays
- Category nLab Technical Matters
- Started by TobyBartels
- Comments 7
- Last comment by TobyBartels
- Last Active May 23rd 2010

- Discussion Type
- discussion topicGive us better fonts on the lab itself?
- Category nLab Technical Matters
- Started by Harry Gindi
- Comments 4
- Last comment by Andrew Stacey
- Last Active May 23rd 2010

- Discussion Type
- discussion topicOperad
- Category Latest Changes
- Started by Harry Gindi
- Comments 3
- Last comment by Harry Gindi
- Last Active May 23rd 2010

- Discussion Type
- discussion topichell with automatic numbering
- Category nLab Technical Matters
- Started by zskoda
- Comments 6
- Last comment by TobyBartels
- Last Active May 22nd 2010

- Discussion Type
- discussion topicnLab down?
- Category nLab Technical Matters
- Started by Eric
- Comments 6
- Last comment by TobyBartels
- Last Active May 22nd 2010

- Discussion Type
- discussion topiccategory theory - contents
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active May 22nd 2010

- Discussion Type
- discussion topicrepresentable presheaf
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active May 22nd 2010

- Discussion Type
- discussion topicPlease keep these items in mind when creating an entry
- Category nLab General Discussions
- Started by Urs
- Comments 13
- Last comment by Eric
- Last Active May 22nd 2010

- Discussion Type
- discussion topickinds of morphisms in 2-categories
- Category Latest Changes
- Started by Mike Shulman
- Comments 5
- Last comment by Mike Shulman
- Last Active May 21st 2010

- Discussion Type
- discussion topicUnable to post
- Category n-Forum
- Started by Eric
- Comments 4
- Last comment by Eric
- Last Active May 21st 2010