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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-theory cohesive-homotopy-type-theory cohomology colimits combinatorics 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 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 homology homotopy homotopy-theory homotopy-type-theory index-theory integration integration-theory k-theory kan 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 natural nforum nlab nonassociative 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 topological topology topos topos-theory type type-theory universal variational-calculus

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- Discussion Type
- discussion topicShould I care about precategories?
- Category - Mathematics, Physics & Philosophy
- Started by porton
- Comments 2
- Last comment by Todd_Trimble
- Last Active May 16th 2015

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- Category - Mathematics, Physics & Philosophy
- Started by jonatan
- Comments 1
- Last comment by jonatan
- Last Active Nov 24th 2015

- Discussion Type
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- Category - Mathematics, Physics & Philosophy
- Started by jonatan
- Comments 1
- Last comment by jonatan
- Last Active Nov 24th 2015

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- 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
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- Discussion Type
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- Category - Latest Changes
- Started by Jon Beardsley
- Comments 8
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- Category - Preprints & Publications
- Started by alexei
- Comments 34
- Last comment by trent
- Last Active Sep 7th 2016

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- 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
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- Category nLab
- Started by MateoCarmonaG
- Comments 13
- Last comment by Richard Williamson
- Last Active Nov 14th 2016

- Discussion Type
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- Category - Mathematics, Physics & Philosophy
- Started by KeithEPeterson
- Comments 10
- Last comment by RodMcGuire
- Last Active Dec 25th 2016

- Discussion Type
- discussion topicCat
- Category - Latest Changes
- Started by Peter Heinig
- Comments 13
- Last comment by Urs
- Last Active Jun 10th 2021

- Discussion Type
- discussion topiccategory of simple graphs with embeddings (proposed)
- Category - nLab General Discussions
- Started by Peter Heinig
- Comments 21
- Last comment by Peter Heinig
- Last Active Jun 16th 2017

- Discussion Type
- discussion topictwosets_op_nonames20170618
- Category - Latest Changes
- Started by Peter Heinig
- Comments 1
- Last comment by Peter Heinig
- Last Active Jun 18th 2017

- Discussion Type
- discussion topictwosets_op_with_names20170618
- Category - Latest Changes
- Started by Peter Heinig
- Comments 1
- Last comment by Peter Heinig
- Last Active Jun 18th 2017

- Discussion Type
- discussion topictwosets_nonames20170618
- Category - Latest Changes
- Started by Peter Heinig
- Comments 1
- Last comment by Peter Heinig
- Last Active Jun 18th 2017

- Discussion Type
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- Category - Mathematics, Physics & Philosophy
- Started by Peter Heinig
- Comments 21
- Last comment by Peter Heinig
- Last Active Jul 20th 2017

- Discussion Type
- discussion topicnLab page with name 201707051600
- Category - Latest Changes
- Started by Peter Heinig
- Comments 1
- Last comment by Peter Heinig
- Last Active Jul 25th 2017

- Discussion Type
- discussion topicdiscussion with topic 201707040601
- Category - Latest Changes
- Started by Peter Heinig
- Comments 4
- Last comment by Peter Heinig
- Last Active Jul 25th 2017

- Discussion Type
- discussion topicnLab page with name 201707051620
- Category - Latest Changes
- Started by Peter Heinig
- Comments 2
- Last comment by Urs
- Last Active Jul 25th 2017

- Discussion Type
- discussion topicnLab page with name 201707071634
- Category - Latest Changes
- Started by Peter Heinig
- Comments 5
- Last comment by DavidRoberts
- Last Active Jul 25th 2017

- Discussion Type
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- Category - Latest Changes
- Started by Peter Heinig
- Comments 18
- Last comment by Mike Shulman
- Last Active Sep 5th 2018

- Discussion Type
- discussion topicdistributive law, minor typo fixed
- Category - Latest Changes
- Started by koslowj
- Comments 1
- Last comment by koslowj
- Last Active Sep 5th 2017

- Discussion Type
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- Category - Latest Changes
- Started by maxsnew
- Comments 1
- Last comment by maxsnew
- Last Active Nov 16th 2017

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- Category - nLab General Discussions
- Started by maxsnew
- Comments 7
- Last comment by maxsnew
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- Category - nLab General Discussions
- Started by maxsnew
- Comments 12
- Last comment by David_Corfield
- Last Active Feb 22nd 2018

- Discussion Type
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- Category n-Forum
- Started by Ahmed
- Comments 3
- Last comment by David_Corfield
- Last Active Apr 18th 2018

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- Category - nLab General Discussions
- Started by parthapratim
- Comments 12
- Last comment by Mike Shulman
- Last Active Apr 19th 2018

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- discussion topicWhat can we deduce about object and morphisms of some category from the properties of the category?
- Category - Mathematics, Physics & Philosophy
- Started by tomr
- Comments 1
- Last comment by tomr
- Last Active Jun 16th 2018

- Discussion Type
- discussion topicCategory of institutions
- Category - Mathematics, Physics & Philosophy
- Started by tomr
- Comments 2
- Last comment by Thomas Holder
- Last Active Apr 23rd 2019

- Discussion Type
- discussion topicElaboration (references) that adjoint functors can be used for (symbolic) optimization
- Category - Mathematics, Physics & Philosophy
- Started by tomr
- Comments 2
- Last comment by David_Corfield
- Last Active Apr 24th 2019