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 topichigher symplectic geometry
- Category Latest Changes
- Started by Urs
- Comments 2
- Last comment by Urs
- Last Active Sep 2nd 2011

- Discussion Type
- discussion topicGrothendieck duality
- Category Latest Changes
- Started by zskoda
- Comments 5
- Last comment by hilbertthm90
- Last Active Sep 1st 2011

- Discussion Type
- discussion topicHadwiger's theorem
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Sep 1st 2011

- Discussion Type
- discussion topichigher Kleinian- and Cartanian geometry
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Aug 31st 2011

- Discussion Type
- discussion topicrigid body dynamics
- Category Latest Changes
- Started by Urs
- Comments 6
- Last comment by zskoda
- Last Active Aug 31st 2011

- Discussion Type
- discussion topicinstanton Floer homology
- Category Latest Changes
- Started by Urs
- Comments 3
- Last comment by zskoda
- Last Active Aug 30th 2011

- Discussion Type
- discussion topicquantum group Fourier transform
- Category Latest Changes
- Started by zskoda
- Comments 4
- Last comment by zskoda
- Last Active Aug 30th 2011

- Discussion Type
- discussion topic6j-coefficients and B-E identity
- Category Mathematics, Physics & Philosophy
- Started by jim_stasheff
- Comments 2
- Last comment by zskoda
- Last Active Aug 30th 2011

- Discussion Type
- discussion topicSupergravity and superstrings
- Category Latest Changes
- Started by Tim_Porter
- Comments 5
- Last comment by zskoda
- Last Active Aug 30th 2011

- Discussion Type
- discussion topictorus-Chern-Simons-twisted structures
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Aug 30th 2011

- Discussion Type
- discussion topicn-dimensional moment of inertia
- Category Mathematics, Physics & Philosophy
- Started by Mike Shulman
- Comments 13
- Last comment by Mike Shulman
- Last Active Aug 30th 2011

- Discussion Type
- discussion topicHamiltonian dynamics on Lie groups
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Aug 29th 2011

- Discussion Type
- discussion topicstrict Lie 2-algebra
- Category Latest Changes
- Started by Urs
- Comments 3
- Last comment by zskoda
- Last Active Aug 29th 2011

- Discussion Type
- discussion topictrees as terminal coalgebra
- Category Latest Changes
- Started by Todd_Trimble
- Comments 28
- Last comment by TobyBartels
- Last Active Aug 28th 2011

- Discussion Type
- discussion topicvacuum
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Aug 27th 2011

- Discussion Type
- discussion topicInternal Dedekind reals
- Category nLab General Discussions
- Started by Zhen Lin
- Comments 35
- Last comment by TobyBartels
- Last Active Aug 27th 2011

- Discussion Type
- discussion topicmeasure coalgebra
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Aug 27th 2011

- Discussion Type
- discussion topicTime on the Lab
- Category nLab Technical Matters
- Started by TobyBartels
- Comments 1
- Last comment by TobyBartels
- Last Active Aug 26th 2011

- Discussion Type
- discussion topicdilaton gravity
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Aug 26th 2011

- Discussion Type
- discussion topictemporal gauge
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Aug 26th 2011

- Discussion Type
- discussion topicCharacteristic forms and geometric invariants
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Aug 26th 2011

- Discussion Type
- discussion topicCocomplete models of ETCS
- Category nLab General Discussions
- Started by TobyBartels
- Comments 4
- Last comment by Mike Shulman
- Last Active Aug 26th 2011

- Discussion Type
- discussion topicresearch proposal: higher Chern-Weil theory
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 6
- Last comment by Urs
- Last Active Aug 25th 2011

- Discussion Type
- discussion topicproduct-based pullbacks and predicate logic
- Category Mathematics, Physics & Philosophy
- Started by Todd_Trimble
- Comments 10
- Last comment by Mike Shulman
- Last Active Aug 25th 2011

- Discussion Type
- discussion topicstring theory -- contents
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Aug 24th 2011

- Discussion Type
- discussion topicfivebrane
- Category Latest Changes
- Started by Urs
- Comments 5
- Last comment by Urs
- Last Active Aug 24th 2011

- Discussion Type
- discussion topicVolume pseudoforms
- Category Latest Changes
- Started by TobyBartels
- Comments 2
- Last comment by TobyBartels
- Last Active Aug 24th 2011

- Discussion Type
- discussion topicopinions on development of mathematics
- Category Latest Changes
- Started by zskoda
- Comments 6
- Last comment by TobyBartels
- Last Active Aug 24th 2011

- Discussion Type
- discussion topicconnection on a 2-bundle
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Aug 23rd 2011

- Discussion Type
- discussion topicconstructible
- Category Latest Changes
- Started by zskoda
- Comments 6
- Last comment by Mike Shulman
- Last Active Aug 23rd 2011

- Discussion Type
- discussion topicClouds of smoke
- Category nLab Technical Matters
- Started by Tim_Porter
- Comments 9
- Last comment by Andrew Stacey
- Last Active Aug 22nd 2011

- Discussion Type
- discussion topictorsion of a metric connection
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Aug 22nd 2011

- Discussion Type
- discussion topicisometry group
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Aug 22nd 2011

- Discussion Type
- discussion topicProper homotopy theory
- Category Latest Changes
- Started by Tim_Porter
- Comments 13
- Last comment by Andrew Stacey
- Last Active Aug 22nd 2011

- Discussion Type
- discussion topicA question on homotopy pullbacks
- Category Mathematics, Physics & Philosophy
- Started by domenico_fiorenza
- Comments 6
- Last comment by Tim_Porter
- Last Active Aug 22nd 2011

- Discussion Type
- discussion topicrestriction to usage
- Category nLab Technical Matters
- Started by zskoda
- Comments 13
- Last comment by Mike Shulman
- Last Active Aug 20th 2011

- Discussion Type
- discussion topicOrdinary mathematics
- Category Latest Changes
- Started by TobyBartels
- Comments 15
- Last comment by TobyBartels
- Last Active Aug 20th 2011

- Discussion Type
- discussion topicPlace
- Category Latest Changes
- Started by fpaugam
- Comments 3
- Last comment by fpaugam
- Last Active Aug 18th 2011

- Discussion Type
- discussion topicHochschild complex via loop groupoids
- Category Mathematics, Physics & Philosophy
- Started by Mike Shulman
- Comments 22
- Last comment by Mike Shulman
- Last Active Aug 18th 2011

- Discussion Type
- discussion topicaffine connection, frame bundle
- Category Latest Changes
- Started by zskoda
- Comments 1
- Last comment by zskoda
- Last Active Aug 18th 2011

- Discussion Type
- discussion topicInterpretation of H^n
- Category nLab General Discussions
- Started by hilbertthm90
- Comments 25
- Last comment by Urs
- Last Active Aug 18th 2011

- Discussion Type
- discussion topicinfinity gerbe
- Category nLab Technical Matters
- Started by Tim_Porter
- Comments 10
- Last comment by zskoda
- Last Active Aug 17th 2011

- Discussion Type
- discussion topic[[Dijkgraaf-Witten theory]]
- Category Latest Changes
- Started by domenico_fiorenza
- Comments 2
- Last comment by zskoda
- Last Active Aug 17th 2011

- Discussion Type
- discussion topicsimplicial localization
- Category Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Aug 17th 2011

- Discussion Type
- discussion topicmoduli space of Riemannian metrics
- Category nLab General Discussions
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Aug 15th 2011

- Discussion Type
- discussion topiccolimit and limit
- Category Latest Changes
- Started by Todd_Trimble
- Comments 2
- Last comment by TobyBartels
- Last Active Aug 14th 2011

- Discussion Type
- discussion topicpredicate logic and hyperdoctrines
- Category Mathematics, Physics & Philosophy
- Started by Todd_Trimble
- Comments 23
- Last comment by Todd_Trimble
- Last Active Aug 14th 2011

- Discussion Type
- discussion topicCorfield on Wittgenstein
- Category Mathematics, Physics & Philosophy
- Started by DavidRoberts
- Comments 6
- Last comment by zskoda
- Last Active Aug 13th 2011

- Discussion Type
- discussion topicinternally projective objects
- Category nLab
- Started by JonasFrey
- Comments 4
- Last comment by Mike Shulman
- Last Active Aug 12th 2011

- Discussion Type
- discussion topicPostnikov tower and coskeleton
- Category Latest Changes
- Started by Urs
- Comments 2
- Last comment by Urs
- Last Active Aug 11th 2011

- Discussion Type
- discussion topicServer Upgrade
- Category nLab Technical Matters
- Started by Andrew Stacey
- Comments 9
- Last comment by zskoda
- Last Active Aug 11th 2011

- Discussion Type
- discussion topicContents of contents
- Category Latest Changes
- Started by Andrew Stacey
- Comments 10
- Last comment by zskoda
- Last Active Aug 11th 2011

- Discussion Type
- discussion topicabsolute de Rham cohomology
- Category Latest Changes
- Started by zskoda
- Comments 2
- Last comment by zskoda
- Last Active Aug 10th 2011

- Discussion Type
- discussion topictighter lab/forum integration
- Category nLab Organisation
- Started by Mike Shulman
- Comments 101
- Last comment by TobyBartels
- Last Active Aug 10th 2011

- Discussion Type
- discussion topicQuestion from Jim Stasheff
- Category Mathematics, Physics & Philosophy
- Started by Andrew Stacey
- Comments 1
- Last comment by Andrew Stacey
- Last Active Aug 10th 2011

- Discussion Type
- discussion topicK3 surfaces
- Category Latest Changes
- Started by hilbertthm90
- Comments 3
- Last comment by zskoda
- Last Active Aug 10th 2011

- Discussion Type
- discussion topicLocally additive spaces and kinematic tangent space
- Category Latest Changes
- Started by Andrew Stacey
- Comments 9
- Last comment by Andrew Stacey
- Last Active Aug 10th 2011

- Discussion Type
- discussion topicpentagon relation for the quantum dilogarithm
- Category nLab
- Started by jim_stasheff
- Comments 11
- Last comment by zskoda
- Last Active Aug 9th 2011

- Discussion Type
- discussion topicsimplicial Lie algebra
- Category Latest Changes
- Started by Urs
- Comments 4
- Last comment by Urs
- Last Active Aug 8th 2011

- Discussion Type
- discussion topicdescent of affine schemes
- Category Latest Changes
- Started by zskoda
- Comments 1
- Last comment by zskoda
- Last Active Aug 6th 2011