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 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 definitions 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 infinity integration integration-theory k-theory lie-theory limits linear linear-algebra locale localization logic mathematics measure measure-theory modal modal-logic model model-category-theory monad monads monoidal monoidal-category-theory morphism motives motivic-cohomology newpage nlab noncommutative noncommutative-geometry number 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 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 topicVerdier duality
- Category - Latest Changes
- Started by Urs
- Comments 2
- Last comment by nLab edit announcer
- Last Active Feb 18th 2020

- Discussion Type
- discussion topicspectral presheaf
- Category - Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Oct 2nd 2013

- Discussion Type
- discussion topicdaseinisation
- Category - Latest Changes
- Started by Urs
- Comments 7
- Last comment by Todd_Trimble
- Last Active Oct 3rd 2013

- Discussion Type
- discussion topicorder-theoretic structure in quantum mechanics
- Category - Latest Changes
- Started by Urs
- Comments 4
- Last comment by Urs
- Last Active Oct 6th 2013

- Discussion Type
- discussion topicconstructible sheaf
- Category - Latest Changes
- Started by Urs
- Comments 2
- Last comment by zskoda
- Last Active Feb 4th 2021

- Discussion Type
- discussion topicétale topos
- Category - Latest Changes
- Started by Urs
- Comments 16
- Last comment by Urs
- Last Active Jul 23rd 2014

- Discussion Type
- discussion topiccanonical topology
- Category - Latest Changes
- Started by Urs
- Comments 4
- Last comment by Urs
- Last Active Aug 26th 2021

- Discussion Type
- discussion topicCategories in Continuum Physics
- Category - nLab General Discussions
- Started by Urs
- Comments 4
- Last comment by spitters
- Last Active Jul 30th 2015

- Discussion Type
- discussion topictopos of laws of motion
- Category - Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Nov 28th 2013

- Discussion Type
- discussion topicHigher toposes of laws of motion
- Category - Latest Changes
- Started by Urs
- Comments 3
- Last comment by Urs
- Last Active Nov 30th 2013

- Discussion Type
- discussion topicAT category
- Category - Latest Changes
- Started by Urs
- Comments 9
- Last comment by Mike Shulman
- Last Active Apr 29th 2019

- Discussion Type
- discussion topictopos for coarse geometry
- Category - Mathematics, Physics & Philosophy
- Started by zskoda
- Comments 2
- Last comment by Tim_Porter
- Last Active Jan 25th 2014

- Discussion Type
- discussion topicsheaf with transfer
- Category - Latest Changes
- Started by Urs
- Comments 23
- Last comment by Urs
- Last Active Dec 23rd 2018

- Discussion Type
- discussion topicfunction realizability
- Category - Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Mar 3rd 2014

- Discussion Type
- discussion topicchiral differential operator
- Category - Latest Changes
- Started by Urs
- Comments 2
- Last comment by Urs
- Last Active Mar 21st 2014

- Discussion Type
- discussion topiccyclic set
- Category - Latest Changes
- Started by Urs
- Comments 24
- Last comment by Guest
- Last Active Jan 25th 2022

- Discussion Type
- discussion topicelementary theory of the category of sets
- Category - Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Apr 1st 2014

- Discussion Type
- discussion topicmeasure theory and Boolean toposes
- Category - Latest Changes
- Started by Urs
- Comments 4
- Last comment by David_Corfield
- Last Active Jul 28th 2021

- Discussion Type
- discussion topicCech cohomology
- Category - Latest Changes
- Started by Urs
- Comments 5
- Last comment by Urs
- Last Active Feb 25th 2015

- Discussion Type
- discussion topiccoherent cohomology
- Category - Latest Changes
- Started by Urs
- Comments 17
- Last comment by Zhen Lin
- Last Active Jun 3rd 2014

- Discussion Type
- discussion topicKummer-Artin-Schreier-Witt exact sequence
- Category - Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active May 26th 2014

- Discussion Type
- discussion topicroot of unity
- Category - Latest Changes
- Started by Urs
- Comments 4
- Last comment by Todd_Trimble
- Last Active May 26th 2014

- Discussion Type
- discussion topicsheaf of rational functions
- Category - Latest Changes
- Started by Urs
- Comments 4
- Last comment by Urs
- Last Active Jul 7th 2014

- Discussion Type
- discussion topicBorger's absolute geometry
- Category - Latest Changes
- Started by Urs
- Comments 18
- Last comment by Urs
- Last Active May 29th 2015

- Discussion Type
- discussion topicGalois representation
- Category - Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Sep 24th 2014

- Discussion Type
- discussion topicWhen is the internal real line the external real line?
- Category - Mathematics, Physics & Philosophy
- Started by Urs
- Comments 22
- Last comment by Mike Shulman
- Last Active Nov 5th 2014

- Discussion Type
- discussion topicsubtopos
- Category - Latest Changes
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Nov 26th 2014

- Discussion Type
- discussion topicSets for Mathematics
- Category - Latest Changes
- Started by Urs
- Comments 2
- Last comment by Urs
- Last Active Jul 7th 2020

- Discussion Type
- discussion topiccofibers of counits
- Category - Mathematics, Physics & Philosophy
- Started by Urs
- Comments 4
- Last comment by DavidRoberts
- Last Active Mar 30th 2015

- Discussion Type
- discussion topicMonomorphisms of sheaves
- Category - Mathematics, Physics & Philosophy
- Started by adeelkh
- Comments 18
- Last comment by adeelkh
- Last Active Apr 6th 2015