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 bundles calculus categories category category-theory chern-weil-theory cohesion cohesive-homotopy-theory 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 finite foundations functional-analysis functor gauge-theory gebra geometric-quantization geometry graph graphs gravity 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 internal-categories itex 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 science set set-theory sheaf simplicial space spin-geometry stable-homotopy-theory string string-theory subobject superalgebra supergeometry svg symplectic-geometry synthetic-differential-geometry terminology theory topology topos topos-theory 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 topicprime spectrum of a monoidal stable (infinity,1)-category
- Category - Latest Changes
- Started by Urs
- Comments 6
- Last comment by Urs
- Last Active Apr 6th 2014

- Discussion Type
- discussion topicreal space
- Category - Latest Changes
- Started by Urs
- Comments 3
- Last comment by Urs
- Last Active Jul 17th 2014

- Discussion Type
- discussion topicequivariant cohomology -- table
- Category - Latest Changes
- Started by Urs
- Comments 2
- Last comment by Urs
- Last Active Apr 12th 2018

- Discussion Type
- discussion topicdual graviton
- Category - Latest Changes
- Started by Urs
- Comments 3
- Last comment by Urs
- Last Active Apr 8th 2020

- Discussion Type
- discussion topicWhat is precisely the definition of the term homomorphism in the definition of function?
- Category nLab
- Started by MateoC
- Comments 2
- Last comment by Zhen Lin
- Last Active Jun 11th 2014

- Discussion Type
- discussion topicLie algebra
- Category - Latest Changes
- Started by Urs
- Comments 11
- Last comment by Urs
- Last Active Nov 27th 2019

- Discussion Type
- discussion topicproperties of DCPO category
- Category - Mathematics, Physics & Philosophy
- Started by qasim
- Comments 5
- Last comment by qasim
- Last Active Sep 13th 2014

- Discussion Type
- discussion topicis the comma category monadic?
- Category nLab
- Started by joe.hannon
- Comments 4
- Last comment by Mike Shulman
- Last Active Sep 29th 2014

- Discussion Type
- discussion topicEffective Epi's of Associative Ring Spectra
- Category - Mathematics, Physics & Philosophy
- Started by Jon Beardsley
- Comments 2
- Last comment by Dmitri Pavlov
- Last Active Oct 19th 2014

- Discussion Type
- discussion topiclight-cone gauge quantization
- Category - Latest Changes
- Started by Urs
- Comments 4
- Last comment by Urs
- Last Active May 4th 2020

- Discussion Type
- discussion topicCategory theory
- Category - Mathematics, Physics & Philosophy
- Started by astuart911
- Comments 2
- Last comment by Urs
- Last Active Apr 21st 2015

- Discussion Type
- discussion topicpartial and (total) functions
- Category - nLab General Discussions
- Started by matc
- Comments 4
- Last comment by TobyBartels
- Last Active Aug 27th 2015

- Discussion Type
- discussion topicADE singularity
- Category - Latest Changes
- Started by Urs
- Comments 16
- Last comment by Urs
- Last Active Sep 12th 2019

- Discussion Type
- discussion topicProperties of higher order categories from the properties of the lower order ones
- Category - Mathematics, Physics & Philosophy
- Started by jonatan
- Comments 1
- Last comment by jonatan
- Last Active Nov 24th 2015

- Discussion Type
- discussion topicHomotopical Type Theory as model for logics
- Category - Mathematics, Physics & Philosophy
- Started by jonatan
- Comments 1
- Last comment by jonatan
- Last Active Nov 24th 2015

- Discussion Type
- discussion topicThe universal accidental (updated 8/8/16)
- Category - Preprints & Publications
- Started by fastlane69
- Comments 20
- Last comment by fastlane69
- Last Active Aug 9th 2016

- Discussion Type
- discussion topicOpfibrations for Categories of Operators
- Category - Mathematics, Physics & Philosophy
- Started by Jon Beardsley
- Comments 1
- Last comment by Jon Beardsley
- Last Active Jun 16th 2016

- Discussion Type
- discussion topicSymmetric Sequence
- Category - Latest Changes
- Started by Jon Beardsley
- Comments 4
- Last comment by Jon Beardsley
- Last Active Jul 24th 2016

- Discussion Type
- discussion topicSymmetric Colored Sequences
- Category - Latest Changes
- Started by Jon Beardsley
- Comments 8
- Last comment by Mike Shulman
- Last Active Jul 25th 2016

- Discussion Type
- discussion topicDeterminacy
- Category - Latest Changes
- Started by spitters
- Comments 3
- Last comment by Urs
- Last Active Jul 22nd 2016

- Discussion Type
- discussion topicUniversal property explanation (Category Theory)
- Category - Preprints & Publications
- Started by alexei
- Comments 34
- Last comment by trent
- Last Active Sep 7th 2016

- Discussion Type
- discussion topicHow to express predicate logic in the categorical (monoidal) logics?
- Category - Mathematics, Physics & Philosophy
- Started by tomr
- Comments 2
- Last comment by Todd_Trimble
- Last Active Oct 30th 2016

- Discussion Type
- discussion topicCharacterization of fields as canonical ring objects
- Category nLab
- Started by MateoCarmonaG
- Comments 13
- Last comment by Richard Williamson
- Last Active Nov 14th 2016

- Discussion Type
- discussion topicDoes there exist a category of "templating"?
- Category - Mathematics, Physics & Philosophy
- Started by KeithEPeterson
- Comments 10
- Last comment by RodMcGuire
- Last Active Dec 25th 2016

- Discussion Type
- discussion topicUsing relations to describe functions
- Category - Mathematics, Physics & Philosophy
- Started by PaoloPerrone
- Comments 21
- Last comment by Todd_Trimble
- Last Active Dec 7th 2016

- Discussion Type
- discussion topicEven higher order vertical categorification
- Category - Mathematics, Physics & Philosophy
- Started by KeithEPeterson
- Comments 8
- Last comment by KeithEPeterson
- Last Active Jan 6th 2017

- Discussion Type
- discussion topicGalois groups
- Category - nLab General Discussions
- Started by Mateo_Carmona_G
- Comments 1
- Last comment by Mateo_Carmona_G
- Last Active Jan 20th 2017

- Discussion Type
- discussion topicNew Philosophical approach to Logical and Mathematical Foundations of Systems Architecture
- Category - Mathematics, Physics & Philosophy
- Started by kentpalmer
- Comments 1
- Last comment by kentpalmer
- Last Active Jan 23rd 2017

- Discussion Type
- discussion topicAccessible Categories and Domains
- Category - Mathematics, Physics & Philosophy
- Started by maxsnew
- Comments 3
- Last comment by maxsnew
- Last Active Mar 8th 2017

- Discussion Type
- discussion topicA proof that the induction principle holds in a suitable type theory
- Category - nLab General Discussions
- Started by JamesSmith
- Comments 5
- Last comment by JamesSmith
- Last Active May 15th 2017