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2-category 2-category-theory abelian-categories adjoint algebra algebraic algebraic-geometry algebraic-topology analysis analytic-geometry arithmetic arithmetic-geometry beauty book bundles calculus categorical 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 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 integration integration-theory k-theory 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 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 set set-theory sheaf simplicial space spin-geometry stable-homotopy-theory stack string string-theory superalgebra supergeometry svg symplectic-geometry synthetic-differential-geometry terminology theory topology topos topos-theory tqft type type-theory universal variational-calculus

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- Discussion Type
- discussion topicOctionionic Kahler in Berger's thm
- Category Mathematics, Physics & Philosophy
- Started by perezl.alonso
- Comments 1
- Last comment by perezl.alonso
- Last Active 3 days ago

- Discussion Type
- discussion topicCybernetics and Homotopy Theory/Category Theory
- Category Mathematics, Physics & Philosophy
- Started by Jon Beardsley
- Comments 25
- Last comment by Urs
- Last Active Aug 20th 2023

- Discussion Type
- discussion topicIs there category of HoTT theories (category of category of contexts)?
- Category Mathematics, Physics & Philosophy
- Started by tomr
- Comments 2
- Last comment by tomr
- Last Active Jul 25th 2023

- Discussion Type
- discussion topicPage contrasting structures defined by exception vs universal rules
- Category Mathematics, Physics & Philosophy
- Started by alexchandel
- Comments 4
- Last comment by maxsnew
- Last Active Jul 24th 2023

- Discussion Type
- discussion topicHegelian philosophy and foundations
- Category Mathematics, Physics & Philosophy
- Started by Korman
- Comments 8
- Last comment by Kori
- Last Active Jul 12th 2023

- Discussion Type
- discussion topic"Twisted Cohomotopy implies M-theory anomaly cancellation"
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 167
- Last comment by Urs
- Last Active Jul 5th 2023

- Discussion Type
- discussion topicFreyd's algebraic real analysis, scale and linear order
- Category Mathematics, Physics & Philosophy
- Started by Jeela
- Comments 2
- Last comment by Jeela
- Last Active Jun 29th 2023

- Discussion Type
- discussion topicTopological invariants of the nerve of cat of contexts for HoTT theory?
- Category Mathematics, Physics & Philosophy
- Started by tomr
- Comments 3
- Last comment by tomr
- Last Active Jun 22nd 2023

- Discussion Type
- discussion topicFreedman & Hastings question
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 9
- Last comment by Urs
- Last Active Jun 8th 2023

- Discussion Type
- discussion topicConnes on the unconscious
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 6
- Last comment by David_Corfield
- Last Active May 19th 2023

- Discussion Type
- discussion topicDoing reverse mathematics like research in category theory - any references?
- Category Mathematics, Physics & Philosophy
- Started by tomr
- Comments 3
- Last comment by DavidRoberts
- Last Active May 14th 2023

- Discussion Type
- discussion topicAlgebraization of Higher Order Logic. Trying to extend Rosetta, alg-geo dualities to HOL.
- Category Mathematics, Physics & Philosophy
- Started by tomr
- Comments 3
- Last comment by tomr
- Last Active Apr 17th 2023

- Discussion Type
- discussion topicMay recognition theorem
- Category Mathematics, Physics & Philosophy
- Started by domenico_fiorenza
- Comments 12
- Last comment by Dmitri Pavlov
- Last Active Mar 26th 2023

- Discussion Type
- discussion topic"Topological Quantum Gates in Homotopy Type Theory"
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 16
- Last comment by DavidRoberts
- Last Active Mar 21st 2023

- Discussion Type
- discussion topicSurvey: Higher Geometric Prequantum Theory
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 20
- Last comment by Urs
- Last Active Feb 22nd 2023

- Discussion Type
- discussion topic(T)QFT on orbifolds?
- Category Mathematics, Physics & Philosophy
- Started by perezl.alonso
- Comments 3
- Last comment by perezl.alonso
- Last Active Feb 10th 2023

- Discussion Type
- discussion topicWhat is denoted by operator bold-B in "Differential cohomology in a cohesive ∞-topos"
- Category Mathematics, Physics & Philosophy
- Started by tomr
- Comments 4
- Last comment by Urs
- Last Active Jan 14th 2023

- Discussion Type
- discussion topicE8 heterotic string from Cartan
- Category Mathematics, Physics & Philosophy
- Started by perezl.alonso
- Comments 2
- Last comment by Urs
- Last Active Dec 5th 2022

- Discussion Type
- discussion topic"Fundamental weight systems are quantum states"
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 8
- Last comment by Urs
- Last Active Nov 16th 2022

- Discussion Type
- discussion topicTopos Theory Books
- Category Mathematics, Physics & Philosophy
- Started by Nonsensei
- Comments 5
- Last comment by Nonsensei
- Last Active Nov 14th 2022

- Discussion Type
- discussion topicRussian Philosophical Conference
- Category Mathematics, Physics & Philosophy
- Started by alexey
- Comments 1
- Last comment by alexey
- Last Active Nov 12th 2022

- Discussion Type
- discussion topicQuantum Computational Trilogy
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 10
- Last comment by David_Corfield
- Last Active Oct 31st 2022

- Discussion Type
- discussion topic"infinity-local systems"
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 4
- Last comment by Tim_Porter
- Last Active Sep 20th 2022

- Discussion Type
- discussion topiclocally small category
- Category Mathematics, Physics & Philosophy
- Started by Todd_Trimble
- Comments 34
- Last comment by zskoda
- Last Active Aug 31st 2022

- Discussion Type
- discussion topicunstable K(n)-homotopy theory
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 2
- Last comment by David_Corfield
- Last Active Aug 30th 2022

- Discussion Type
- discussion topic"programmable computations" and type families
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 12
- Last comment by Urs
- Last Active Aug 29th 2022

- Discussion Type
- discussion topicType-semantics for quantization
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 112
- Last comment by David_Corfield
- Last Active Aug 23rd 2022

- Discussion Type
- discussion topicCayley mixture
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 118
- Last comment by David_Corfield
- Last Active Aug 11th 2022

- Discussion Type
- discussion topicThe shape of function objects
- Category Mathematics, Physics & Philosophy
- Started by Charles Rezk
- Comments 5
- Last comment by Urs
- Last Active Aug 9th 2022

- Discussion Type
- discussion topicStrings 2022
- Category Mathematics, Physics & Philosophy
- Started by Madeleine Birchfield
- Comments 3
- Last comment by Madeleine Birchfield
- Last Active Jul 20th 2022

- Discussion Type
- discussion topicproof of coend formula for Kan extensions
- Category Mathematics, Physics & Philosophy
- Started by Yaron
- Comments 3
- Last comment by Yaron
- Last Active Jul 9th 2022

- Discussion Type
- discussion topicPlus construction
- Category Mathematics, Physics & Philosophy
- Started by Zhen Huan
- Comments 3
- Last comment by Zhen Huan
- Last Active Jun 30th 2022

- Discussion Type
- discussion topicbibitem conventions
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 3
- Last comment by Urs
- Last Active Jun 26th 2022

- Discussion Type
- discussion topicAnyonic topological order in TED K-theory
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 9
- Last comment by Urs
- Last Active Jun 25th 2022

- Discussion Type
- discussion topicGeneralized cohomology as sheaf cohomology?
- Category Mathematics, Physics & Philosophy
- Started by jin
- Comments 6
- Last comment by Urs
- Last Active Jun 18th 2022

- Discussion Type
- discussion topicUnderstanding preprint "Topos and Stacks of Deep Neural Networks"
- Category Mathematics, Physics & Philosophy
- Started by tomr
- Comments 22
- Last comment by tomr
- Last Active Jun 17th 2022

- Discussion Type
- discussion topicstatistic inference as gauge theory
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 1
- Last comment by David_Corfield
- Last Active Jun 12th 2022

- Discussion Type
- discussion topicTopological K-theory in HoTT?
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Jun 9th 2022

- Discussion Type
- discussion topicHegel in Mathematics
- Category Mathematics, Physics & Philosophy
- Started by Alexander Praehauser
- Comments 24
- Last comment by Alexander Praehauser
- Last Active Jun 4th 2022

- Discussion Type
- discussion topicDescent data with values in the bigroupoid of bundle gerbes with connection and curving
- Category Mathematics, Physics & Philosophy
- Started by DavidRoberts
- Comments 5
- Last comment by Urs
- Last Active May 27th 2022

- Discussion Type
- discussion topicPhilosophy of concepts - can it be (gradually) expressed in type theory? Taming the complexity?
- Category Mathematics, Physics & Philosophy
- Started by tomr
- Comments 4
- Last comment by philophronesis
- Last Active May 19th 2022

- Discussion Type
- discussion topicThird generation HOTT talks
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 17
- Last comment by Madeleine Birchfield
- Last Active May 13th 2022

- Discussion Type
- discussion topic2dCFT as 1-twisted homology of configurations of points on a surface -- references
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 8
- Last comment by Urs
- Last Active May 11th 2022

- Discussion Type
- discussion topicAnyonic Defect Branes in TED-K-Theory
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 6
- Last comment by David_Corfield
- Last Active Mar 17th 2022

- Discussion Type
- discussion topicsplitting of rationalized representation ring
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 2
- Last comment by Urs
- Last Active Jan 30th 2022

- Discussion Type
- discussion topicProspects for unification of LQG and String Theory
- Category Mathematics, Physics & Philosophy
- Started by Spacenumbat
- Comments 8
- Last comment by Urs
- Last Active Jan 18th 2022

- Discussion Type
- discussion topicMusings on modalities
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 8
- Last comment by David_Corfield
- Last Active Jan 11th 2022

- Discussion Type
- discussion topic6 Postdoc positions in topological quantum science at NYU AD
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 1
- Last comment by Urs
- Last Active Jan 9th 2022

- Discussion Type
- discussion topicWorking example for SEAR Axiom 5
- Category Mathematics, Physics & Philosophy
- Started by YimingXu
- Comments 14
- Last comment by RodMcGuire
- Last Active Jan 7th 2022

- Discussion Type
- discussion topicHypothesis H and Matrix models
- Category Mathematics, Physics & Philosophy
- Started by Spacenumbat
- Comments 3
- Last comment by Spacenumbat
- Last Active Dec 31st 2021

- Discussion Type
- discussion topicintroduction/elimination as co(units)
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 6
- Last comment by David_Corfield
- Last Active Dec 22nd 2021

- Discussion Type
- discussion topicChern-Simons and Other Topological Field Theories workshop
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 2
- Last comment by David_Corfield
- Last Active Nov 17th 2021

- Discussion Type
- discussion topicThe nLab in the eyes of others
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 54
- Last comment by Urs
- Last Active Oct 5th 2021

- Discussion Type
- discussion topicBasic questions about SEAR and its ETCS fragment
- Category Mathematics, Physics & Philosophy
- Started by saolof
- Comments 3
- Last comment by Mike Shulman
- Last Active Oct 3rd 2021

- Discussion Type
- discussion topicUnification and Anti-Unification in HoTT.
- Category Mathematics, Physics & Philosophy
- Started by Nima
- Comments 3
- Last comment by Nima
- Last Active Sep 28th 2021

- Discussion Type
- discussion topicGeneralized Cohomology and Physics conference
- Category Mathematics, Physics & Philosophy
- Started by David_Corfield
- Comments 6
- Last comment by David_Corfield
- Last Active Sep 26th 2021

- Discussion Type
- discussion topicCategory theory of stochastic differential equations - any pointers?
- Category Mathematics, Physics & Philosophy
- Started by tomr
- Comments 1
- Last comment by tomr
- Last Active Sep 16th 2021

- Discussion Type
- discussion topicHammock Localization
- Category Mathematics, Physics & Philosophy
- Started by mrmuon
- Comments 4
- Last comment by Dmitri Pavlov
- Last Active Sep 13th 2021

- Discussion Type
- discussion topicGrothendieck toposes as bridges
- Category Mathematics, Physics & Philosophy
- Started by Korman
- Comments 8
- Last comment by OliviaCaramello
- Last Active Sep 6th 2021

- Discussion Type
- discussion topiccharacter map on twisted non-abelian cohomology
- Category Mathematics, Physics & Philosophy
- Started by Urs
- Comments 44
- Last comment by Urs
- Last Active Aug 18th 2021