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-theory cohesive-homotopy-type-theory cohomology combinatorics complex 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 finite foundations functional-analysis functor gauge-theory gebra geometric-quantization geometry goodwillie-calculus graph graphs gravity 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 homology homotopy homotopy-theory homotopy-type-theory index-theory integration integration-theory internal-categories k-theory kan lie lie-theory limit limits linear linear-algebra locale localization logic mathematics measure-theory modal modal-logic model model-category-theory monoidal monoidal-category-theory morphism motives motivic-cohomology newpage 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-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 topicEquivariant Cohomotopy and Branes
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 7
- Last comment by David_Corfield
- Last Active 1 hour ago

- Discussion Type
- discussion topicE. Finster, "Towards Higher Universal Algebra in Type Theory"
- Category Mathematics, Physics & Philosophy
- Started by Alizter
- Comments 17
- Last comment by Alizter
- Last Active 13 hours ago

- Discussion Type
- discussion topicMultiplication for surreal numbers in HoTT
- Category Mathematics, Physics & Philosophy
- Started by Alizter
- Comments 3
- Last comment by Mike Shulman
- Last Active 7 days ago

- Discussion Type
- discussion topicWhat exactly is a judgement?
- Category Mathematics, Physics & Philosophy
- Started by Alizter
- Comments 9
- Last comment by Alizter
- Last Active Nov 30th 2018

- Discussion Type
- discussion topicmodalities induced by cohesive (co)units
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 1
- Last comment by David_Corfield
- Last Active Nov 23rd 2018

- Discussion Type
- discussion topicSuper Lie n-algebra extensions, higher WZW models and super p-branes
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 150
- Last comment by Urs
- Last Active Nov 22nd 2018

- Discussion Type
- discussion topicInitiality Project: plans
- Category Mathematics, Physics & Philosophy
- Started by Mike Shulman
- Comments 103
- Last comment by atmacen
- Last Active Nov 7th 2018

- Discussion Type
- discussion topicHoTT: Category, Precategory and Univalent category?
- Category Mathematics, Physics & Philosophy
- Started by Alizter
- Comments 1
- Last comment by Alizter
- Last Active Nov 7th 2018

- Discussion Type
- discussion topicBisimulation as path type for guarded recursive types
- Category Preprints & Publications
- Started by Alizter
- Comments 1
- Last comment by Alizter
- Last Active Nov 6th 2018

- Discussion Type
- discussion topicFailure of suspension spectrum functor to be strong closed?
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 4
- Last comment by Urs
- Last Active Nov 6th 2018

- Discussion Type
- discussion topicCwF natural model and universes
- Category Mathematics, Physics & Philosophy
- Started by Alizter
- Comments 14
- Last comment by Mike Shulman
- Last Active Oct 31st 2018

- Discussion Type
- discussion topicintroduction/elimination as co(units)
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 5
- Last comment by Mike Shulman
- Last Active Oct 31st 2018

- Discussion Type
- discussion topicTables of homotopy groups
- Category Mathematics, Physics & Philosophy
- Started by Alizter
- Comments 22
- Last comment by Urs
- Last Active Oct 26th 2018

- Discussion Type
- discussion topicHomotopy theory with finite topological spaces
- Category Mathematics, Physics & Philosophy
- Started by TobyBartels
- Comments 10
- Last comment by Richard Williamson
- Last Active Oct 22nd 2018

- Discussion Type
- discussion topicKerodon
- Category Mathematics, Physics & Philosophy
- Started by DavidRoberts
- Comments 12
- Last comment by Richard Williamson
- Last Active Oct 18th 2018

- Discussion Type
- discussion topicatomic things
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 5
- Last comment by David_Corfield
- Last Active Oct 17th 2018

- Discussion Type
- discussion topicEquivariant homotopy and M-Branes
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 55
- Last comment by Urs
- Last Active Oct 9th 2018

- Discussion Type
- discussion topicprofunctors
- Category Mathematics, Physics & Philosophy
- Started by Mike Shulman
- Comments 17
- Last comment by Mike Shulman
- Last Active Oct 1st 2018

- Discussion Type
- discussion topicWhat is Deligne asking?
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 5
- Last comment by Mike Shulman
- Last Active Sep 30th 2018

- Discussion Type
- discussion topicAdjunctions as lax bifunctors?
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 2
- Last comment by Mike Shulman
- Last Active Sep 30th 2018

- Discussion Type
- discussion topicAB-ish axioms for Barr categories?
- Category Mathematics, Physics & Philosophy
- Started by KevinCarlson
- Comments 3
- Last comment by Todd_Trimble
- Last Active Sep 29th 2018

- Discussion Type
- discussion topicmonadic adjunction
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 4
- Last comment by Mike Shulman
- Last Active Sep 27th 2018

- Discussion Type
- discussion topicequivariant Adams conjecture and Schur indices?
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 6
- Last comment by Urs
- Last Active Sep 27th 2018

- Discussion Type
- discussion topiclenses and optics
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 9
- Last comment by AlexisHazell
- Last Active Sep 24th 2018

- Discussion Type
- discussion topicSolutions that the Simplex algorithm fails to find
- Category Mathematics, Physics & Philosophy
- Started by Murat_Aygen
- Comments 8
- Last comment by Alizter
- Last Active Sep 22nd 2018

- Discussion Type
- discussion topicQuestions about "stuff, structure, property"
- Category Mathematics, Physics & Philosophy
- Started by PaoloPerrone
- Comments 9
- Last comment by Urs
- Last Active Sep 20th 2018

- Discussion Type
- discussion topicA communal proof of an initiality theorem
- Category Mathematics, Physics & Philosophy
- Started by Mike Shulman
- Comments 27
- Last comment by p_l_lumsdaine
- Last Active Sep 14th 2018

- Discussion Type
- discussion topicmultisorted enriched algebraic theory
- Category Atrium
- Started by cwil124
- Comments 6
- Last comment by Sam Staton
- Last Active Aug 30th 2018

- Discussion Type
- discussion topicBeijing talk
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 47
- Last comment by David_Corfield
- Last Active Aug 28th 2018

- Discussion Type
- discussion topicinvariant theory
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 19
- Last comment by David_Corfield
- Last Active Aug 22nd 2018