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2-category 2-category-theory abelian-categories accessible 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-type-theory cohomology colimits combinatorics comma complex-geometry computable-mathematics computer-science constructive constructive-mathematics cosmology definitions deformation-theory descent diagrams differential differential-cohomology differential-geometry differential-topology digraphs duality education elliptic-cohomology enriched fibration finite foundations functional-analysis functor gauge-theory gebra geometric-quantization geometry goodwillie-calculus graph graphs gravity group-theory 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-theory k-theory lie-theory limit limits linear linear-algebra locale localization logic manifolds mathematics measure-theory modal-logic model model-category-theory monad monoidal monoidal-category-theory morphism motives motivic-cohomology newpage nonassociative 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 question representation representation-theory riemannian-geometry scheme schemes set set-theory sheaf simplicial space spin-geometry stable-homotopy-theory stack string string-theory subobject superalgebra supergeometry svg symplectic-geometry synthetic-differential-geometry terminology theory topological topology topos topos-theory tqft type type-theory universal

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- Discussion Type
- discussion topicTriality
- Category Mathematics, Physics & Philosophy
- Started by trent
- Comments 11
- Last comment by trent
- Last Active 2 days ago

- Discussion Type
- discussion topicCohesive homotopy type theory and philosophy
- Category Mathematics, Physics & Philosophy
- Started by Brian
- Comments 7
- Last comment by DavidRoberts
- Last Active 6 days ago

- Discussion Type
- discussion topicCan one create a ‘Transverse Field Ising Spin’-compatible Super Hamiltonian?
- Category Mathematics, Physics & Philosophy
- Started by ProgrammingGodJordan
- Comments 2
- Last comment by Urs
- Last Active Sep 9th 2017

- Discussion Type
- discussion topicFactorization algebras in perturbative quantum field theory
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 4
- Last comment by Urs
- Last Active Sep 7th 2017

- Discussion Type
- discussion topicdistributions in terms of the Cahiers topos
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 6
- Last comment by David_Corfield
- Last Active Sep 7th 2017

- Discussion Type
- discussion topicQuestions about "stuff, structure, property"
- Category Mathematics, Physics & Philosophy
- Started by PaoloPerrone
- Comments 5
- Last comment by PaoloPerrone
- Last Active Sep 6th 2017

- Discussion Type
- discussion topicWeak n-categories are well and good, but what about weak n-functors?
- Category Mathematics, Physics & Philosophy
- Started by Harry Gindi
- Comments 18
- Last comment by Harry Gindi
- Last Active Sep 6th 2017

- Discussion Type
- discussion topicMO question on differential cohesion
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 5
- Last comment by Urs
- Last Active Sep 4th 2017

- Discussion Type
- discussion topicdual vs. opposite category
- Category Mathematics, Physics & Philosophy
- Started by zskoda
- Comments 5
- Last comment by Mike Shulman
- Last Active Sep 1st 2017

- Discussion Type
- discussion topiccreated limit
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 10
- Last comment by samo
- Last Active Aug 29th 2017

- Discussion Type
- discussion topic(∞,1)-profunctor
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 4
- Last comment by Mike Shulman
- Last Active Aug 24th 2017

- Discussion Type
- discussion topicParametrized higher category theory and higher algebra
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 44
- Last comment by Mike Shulman
- Last Active Aug 23rd 2017

- Discussion Type
- discussion topic[[simplicial complex]]
- Category Mathematics, Physics & Philosophy
- Started by Todd_Trimble
- Comments 34
- Last comment by Tim_Porter
- Last Active Aug 23rd 2017

- Discussion Type
- discussion topicclosed monoidal (infinity,1)-category
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 2
- Last comment by David_Corfield
- Last Active Aug 15th 2017

- Discussion Type
- discussion topicdirected graph
- Category Mathematics, Physics & Philosophy
- Started by Eric
- Comments 97
- Last comment by Peter Heinig
- Last Active Aug 6th 2017

- Discussion Type
- discussion topiccospan or co-span
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 5
- Last comment by David_Corfield
- Last Active Aug 5th 2017

- Discussion Type
- discussion topicdouble coset
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 16
- Last comment by David_Corfield
- Last Active Aug 4th 2017

- Discussion Type
- discussion topicIntro to nLab reading list? (Or: programmer looking to build a semantic database.)
- Category Mathematics, Physics & Philosophy
- Started by WillemMali
- Comments 3
- Last comment by WillemMali
- Last Active Aug 4th 2017

- Discussion Type
- discussion topicquest for generalized cohomology theory for M-brane charges
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 25
- Last comment by David_Corfield
- Last Active Aug 1st 2017

- Discussion Type
- discussion topicBase change for straightening
- Category Mathematics, Physics & Philosophy
- Started by Harry Gindi
- Comments 8
- Last comment by Harry Gindi
- Last Active Jul 26th 2017

- Discussion Type
- discussion topicrheonomy in supergravity -- elementary formalization?
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 32
- Last comment by David_Corfield
- Last Active Jul 26th 2017

- Discussion Type
- discussion topicmodule versus algebra resolurions
- Category Mathematics, Physics & Philosophy
- Started by jim stasheff
- Comments 1
- Last comment by jim stasheff
- Last Active Jul 25th 2017

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

- Discussion Type
- discussion topicSuper Lie n-algebra extensions, higher WZW models and super p-branes with tensor multiplet fields
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 62
- Last comment by David_Corfield
- Last Active Jul 19th 2017

- Discussion Type
- discussion topicHow essential is planarity for rigorous treatments of pasting diagrams and pasting schemes?
- Category Mathematics, Physics & Philosophy
- Started by Peter Heinig
- Comments 7
- Last comment by Peter Heinig
- Last Active Jul 19th 2017

- Discussion Type
- discussion topicstring diagrams for closed categories
- Category Mathematics, Physics & Philosophy
- Started by Mike Shulman
- Comments 27
- Last comment by Mike Shulman
- Last Active Jul 18th 2017

- Discussion Type
- discussion topicpasting diagram
- Category Mathematics, Physics & Philosophy
- Started by Eric
- Comments 12
- Last comment by Peter Heinig
- Last Active Jul 18th 2017

- Discussion Type
- discussion topicspace and quantity
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 17
- Last comment by Peter Heinig
- Last Active Jul 16th 2017

- Discussion Type
- discussion topicAcirclic categories?
- Category Mathematics, Physics & Philosophy
- Started by Peter Heinig
- Comments 3
- Last comment by Tim_Porter
- Last Active Jul 13th 2017

- Discussion Type
- discussion topicHigher model theory
- Category Mathematics, Physics & Philosophy
- Started by Peter Heinig
- Comments 4
- Last comment by Urs
- Last Active Jul 12th 2017