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 history homological homological-algebra homotopy homotopy-theory homotopy-type-theory index-theory integration integration-theory k-theory lie 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 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 simplicial space spin-geometry stable-homotopy-theory 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 topicTannaka and Gabriel-Ulmer
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 3
- Last comment by David_Corfield
- Last Active Jul 7th 2011

- Discussion Type
- discussion topicboolean algebras and ultrafilters
- Category Latest Changes
- Started by Todd_Trimble
- Comments 4
- Last comment by TobyBartels
- Last Active Jul 7th 2011

- Discussion Type
- discussion topic(oo,1)Topos
- Category Latest Changes
- Started by Urs
- Comments 4
- Last comment by Urs
- Last Active Jul 6th 2011

- Discussion Type
- discussion topictopos-valued 2-sheaves
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 19
- Last comment by Mike Shulman
- Last Active Jul 5th 2011

- Discussion Type
- discussion topictorsion
- Category Latest Changes
- Started by Urs
- Comments 3
- Last comment by Urs
- Last Active Jul 5th 2011

- Discussion Type
- discussion topiclocally ringed topos
- Category Latest Changes
- Started by Urs
- Comments 3
- Last comment by Urs
- Last Active Jul 4th 2011

- Discussion Type
- discussion topicpencast
- Category nLab Technical Matters
- Started by zskoda
- Comments 5
- Last comment by zskoda
- Last Active Jul 4th 2011

- Discussion Type
- discussion topicreferee report for Leinster2010
- Category nJournal Articles
- Started by Urs
- Comments 7
- Last comment by Tom Leinster
- Last Active Jul 3rd 2011

- Discussion Type
- discussion topicHausdorff series
- Category nLab
- Started by zskoda
- Comments 1
- Last comment by zskoda
- Last Active Jul 1st 2011

- Discussion Type
- discussion topicquasi-state
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Jun 30th 2011

- Discussion Type
- discussion topicWigner's theorem
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Jun 30th 2011

- Discussion Type
- discussion topicLifting structure
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 6
- Last comment by Urs
- Last Active Jun 29th 2011

- Discussion Type
- discussion topicdiffeological oo-groupoid
- Category Latest Changes
- Started by Urs
- Comments 3
- Last comment by Urs
- Last Active Jun 29th 2011

- Discussion Type
- discussion topicWhere is our discussion of classifying toposes for groups?
- Category nLab General Discussions
- Started by Urs
- Comments 4
- Last comment by Todd_Trimble
- Last Active Jun 27th 2011

- Discussion Type
- discussion topicFunctorial analysis
- Category Latest Changes
- Started by fpaugam
- Comments 3
- Last comment by TobyBartels
- Last Active Jun 27th 2011

- Discussion Type
- discussion topicclassifying objects toc
- Category Latest Changes
- Started by Urs
- Comments 3
- Last comment by Urs
- Last Active Jun 27th 2011

- Discussion Type
- discussion topicDual of a 2-vector space
- Category Mathematics, Physics & Philosophy
- Started by domenico_fiorenza
- Comments 4
- Last comment by zskoda
- Last Active Jun 27th 2011

- Discussion Type
- discussion topicumbrella category
- Category Latest Changes
- Started by Urs
- Comments 4
- Last comment by zskoda
- Last Active Jun 27th 2011

- Discussion Type
- discussion topicn-topos
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Jun 26th 2011

- Discussion Type
- discussion topicconvenient category of topological spaces
- Category Latest Changes
- Started by Todd_Trimble
- Comments 3
- Last comment by Todd_Trimble
- Last Active Jun 25th 2011

- Discussion Type
- discussion topicpersonal lab private
- Category nLab Organisation
- Started by zskoda
- Comments 7
- Last comment by zskoda
- Last Active Jun 24th 2011

- Discussion Type
- discussion topicTubular Neighbourhoods in Mapping Spaces
- Category Latest Changes
- Started by Andrew Stacey
- Comments 3
- Last comment by Andrew Stacey
- Last Active Jun 22nd 2011

- Discussion Type
- discussion topicusing a separate page on another server
- Category nLab Technical Matters
- Started by zskoda
- Comments 9
- Last comment by zskoda
- Last Active Jun 21st 2011

- Discussion Type
- discussion topicself-adjoint operator
- Category nLab
- Started by zskoda
- Comments 3
- Last comment by zskoda
- Last Active Jun 21st 2011

- Discussion Type
- discussion topicTomita-Takesaki modular flow
- Category Latest Changes
- Started by zskoda
- Comments 1
- Last comment by zskoda
- Last Active Jun 20th 2011

- Discussion Type
- discussion topicStanford Enc, of Philosphy; quantum mechanics
- Category Latest Changes
- Started by zskoda
- Comments 7
- Last comment by zskoda
- Last Active Jun 20th 2011

- Discussion Type
- discussion topicDiaconescu's theorem
- Category Latest Changes
- Started by Urs
- Comments 27
- Last comment by Urs
- Last Active Jun 20th 2011

- Discussion Type
- discussion topicPDEs, Jet D-modules and exterior differential systems
- Category Latest Changes
- Started by Urs
- Comments 2
- Last comment by zskoda
- Last Active Jun 19th 2011

- Discussion Type
- discussion topicUpdate to BV formalism
- Category Latest Changes
- Started by fpaugam
- Comments 3
- Last comment by zskoda
- Last Active Jun 19th 2011

- Discussion Type
- discussion topicaffiliated element
- Category Latest Changes
- Started by zskoda
- Comments 1
- Last comment by zskoda
- Last Active Jun 19th 2011

- Discussion Type
- discussion topicinjection from N^N to N
- Category Mathematics, Physics & Philosophy
- Started by Mike Shulman
- Comments 4
- Last comment by Mike Shulman
- Last Active Jun 18th 2011

- Discussion Type
- discussion topicinfinitesimal cohesion (formal cohesion)
- Category Latest Changes
- Started by Urs
- Comments 7
- Last comment by Urs
- Last Active Jun 17th 2011

- Discussion Type
- discussion topicCleaned out the Sandbox
- Category Latest Changes
- Started by Andrew Stacey
- Comments 1
- Last comment by Andrew Stacey
- Last Active Jun 17th 2011

- Discussion Type
- discussion topicD-scheme
- Category Latest Changes
- Started by Urs
- Comments 13
- Last comment by zskoda
- Last Active Jun 17th 2011

- Discussion Type
- discussion topicChiral Algebras
- Category Latest Changes
- Started by Urs
- Comments 5
- Last comment by Urs
- Last Active Jun 17th 2011

- Discussion Type
- discussion topicIntelligent spammers
- Category Mathematics, Physics & Philosophy
- Started by TobyBartels
- Comments 20
- Last comment by TobyBartels
- Last Active Jun 17th 2011

- Discussion Type
- discussion topicQuasi-Coherent Sheaves And Tannaka Duality Theorems
- Category Latest Changes
- Started by Urs
- Comments 2
- Last comment by zskoda
- Last Active Jun 17th 2011

- Discussion Type
- discussion topicLab Status
- Category nLab Technical Matters
- Started by Andrew Stacey
- Comments 2
- Last comment by Andrew Stacey
- Last Active Jun 17th 2011

- Discussion Type
- discussion topicjet bundles and de Rham space technology
- Category Latest Changes
- Started by Urs
- Comments 2
- Last comment by Urs
- Last Active Jun 17th 2011

- Discussion Type
- discussion topicCech cocycles for differential characteristic classes
- Category Latest Changes
- Started by Urs
- Comments 2
- Last comment by Urs
- Last Active Jun 16th 2011

- Discussion Type
- discussion topicdiscrete infinity-groupoid
- Category Latest Changes
- Started by Urs
- Comments 4
- Last comment by Urs
- Last Active Jun 16th 2011

- Discussion Type
- discussion topicgeneralized second law of thermodynamics
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Jun 15th 2011

- Discussion Type
- discussion topictwisted differential c-structures
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Jun 15th 2011

- Discussion Type
- discussion topicdifferential T-duality
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Jun 15th 2011

- Discussion Type
- discussion topicWasserstein metric
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Jun 14th 2011

- Discussion Type
- discussion topicFHT-theorem
- Category Latest Changes
- Started by Urs
- Comments 3
- Last comment by Urs
- Last Active Jun 14th 2011

- Discussion Type
- discussion topicEquivalences which are unique up to unique isomorphism
- Category Mathematics, Physics & Philosophy
- Started by jamievicary
- Comments 5
- Last comment by zskoda
- Last Active Jun 14th 2011

- Discussion Type
- discussion topicinformation geometry
- Category Latest Changes
- Started by Urs
- Comments 2
- Last comment by zskoda
- Last Active Jun 14th 2011

- Discussion Type
- discussion topicHopf adjunction
- Category Latest Changes
- Started by Mike Shulman
- Comments 2
- Last comment by zskoda
- Last Active Jun 14th 2011

- Discussion Type
- discussion topicreductions deformations resolutions in physics
- Category Latest Changes
- Started by Urs
- Comments 4
- Last comment by zskoda
- Last Active Jun 13th 2011

- Discussion Type
- discussion topicconcrete objects in cohesive toposes
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 25
- Last comment by zskoda
- Last Active Jun 13th 2011

- Discussion Type
- discussion topiccoexponential map
- Category Latest Changes
- Started by zskoda
- Comments 1
- Last comment by zskoda
- Last Active Jun 12th 2011

- Discussion Type
- discussion topicproblem with svg
- Category nLab Technical Matters
- Started by Urs
- Comments 6
- Last comment by Urs
- Last Active Jun 12th 2011

- Discussion Type
- discussion topicformal automorphisms
- Category Mathematics, Physics & Philosophy
- Started by zskoda
- Comments 2
- Last comment by zskoda
- Last Active Jun 12th 2011

- Discussion Type
- discussion topicwho uses "linked from" often
- Category nLab Technical Matters
- Started by zskoda
- Comments 12
- Last comment by zskoda
- Last Active Jun 12th 2011

- Discussion Type
- discussion topicThe definition of a pseudonatural transformation
- Category Mathematics, Physics & Philosophy
- Started by jamievicary
- Comments 11
- Last comment by Urs
- Last Active Jun 12th 2011

- Discussion Type
- discussion topicLandau-Ginzburg model
- Category Latest Changes
- Started by Urs
- Comments 2
- Last comment by Urs
- Last Active Jun 10th 2011

- Discussion Type
- discussion topicSyntax to avoid (for the time being)
- Category nLab Technical Matters
- Started by Andrew Stacey
- Comments 4
- Last comment by Andrew Stacey
- Last Active Jun 9th 2011

- Discussion Type
- discussion topiclocalization of an abelian category
- Category Latest Changes
- Started by zskoda
- Comments 2
- Last comment by zskoda
- Last Active Jun 8th 2011

- Discussion Type
- discussion topicsearch "features"
- Category nLab Technical Matters
- Started by Mike Shulman
- Comments 21
- Last comment by Mike Shulman
- Last Active Jun 8th 2011