nLab Latest Revisions

• preserved limit ( preserved limit(rev # 27) | history )
  by varkor at July 29, 2026 at 08:51:31
• Burnside ring ( Burnside ring(rev # 44) | history )
  by Urs Schreiber at July 29, 2026 at 07:10:34
• Martin Markl ( Martin Markl(rev # 5) | history )
  by Urs Schreiber at July 29, 2026 at 07:08:09
• abelian category ( abelian category(rev # 84) | history )
  by Urs Schreiber at July 29, 2026 at 07:07:37
• Torelli group ( Torelli group(rev # 4) | history )
  by Urs Schreiber at July 29, 2026 at 07:02:41
• crystallographic group ( crystallographic group(rev # 36) | history )
  by Urs Schreiber at July 29, 2026 at 06:54:32
• Olaf Lechtenfeld ( Olaf Lechtenfeld(rev # 13) | history )
  by Urs Schreiber at July 29, 2026 at 06:48:32
• Nicolai map ( Nicolai map(rev # 9) | history )
  by Urs Schreiber at July 29, 2026 at 06:48:06
• Shinji Shimasaki ( Shinji Shimasaki(rev # 2) | history )
  by Urs Schreiber at July 29, 2026 at 06:45:03
• Goro Ishiki ( Goro Ishiki(rev # 2) | history )
  by Urs Schreiber at July 29, 2026 at 06:44:40
• Yuhma Asano ( Yuhma Asano(rev # 4) | history )
  by Urs Schreiber at July 29, 2026 at 06:44:21
• M5-branes in the BMN matrix model -- references ( M5-branes in the BMN matrix model -- references(rev # 11) | history )
  by Urs Schreiber at July 29, 2026 at 06:43:46
• Henning Samtleben ( Henning Samtleben(rev # 21) | history )
  by Urs Schreiber at July 29, 2026 at 06:38:05
• Olaf Hohm ( Olaf Hohm(rev # 7) | history )
  by Urs Schreiber at July 29, 2026 at 06:37:37
• exceptional field theory ( exceptional field theory(rev # 39) | history )
  by Urs Schreiber at July 29, 2026 at 06:36:50
• morphism ( morphism(rev # 30) | history )
  by Άπειρον Αρχή? at July 29, 2026 at 02:06:20
• Ralph Abraham ( Ralph Abraham(rev # 6) | history )
  by Urs Schreiber at July 28, 2026 at 17:58:03
• Ralph Abraham ( Ralph Abraham(rev # 5) | history )
  by Valdetaro, Mariana? at July 28, 2026 at 17:32:52
• tensor network ( tensor network(rev # 50) | history )
  by Jeremias Rieser? at July 28, 2026 at 16:46:02
• equivariant homotopy theory ( equivariant homotopy theory(rev # 69) | history )
  by Urs Schreiber at July 28, 2026 at 16:20:49
• Elmendorf's theorem ( Elmendorf's theorem(rev # 47) | history )
  by Urs Schreiber at July 28, 2026 at 16:19:40
• Anthony Elmendorf ( Anthony Elmendorf(rev # 7) | history )
  by Urs Schreiber at July 28, 2026 at 15:56:24
• pullback-stable colimit ( pullback-stable colimit(rev # 24) | history )
  by Martin Brandenburg at July 28, 2026 at 14:59:32
• Emily Riehl ( Emily Riehl(rev # 52) | history )
  by Urs Schreiber at July 28, 2026 at 14:58:02
• (infinity,1)-category ( (infinity,1)-category(rev # 112) | history )
  by Urs Schreiber at July 28, 2026 at 14:57:40
• Stable categories and structured ring spectra ( Stable categories and structured ring spectra(rev # 9) | history )
  by Urs Schreiber at July 28, 2026 at 14:55:54
• pullback-stable colimit ( pullback-stable colimit(rev # 23) | history )
  by Urs Schreiber at July 28, 2026 at 14:40:25
• Artinian local ring ( Artinian local ring(rev # 18) | history )
  by Urs Schreiber at July 28, 2026 at 14:37:34
• pullback-stable colimit ( pullback-stable colimit(rev # 22) | history )
  by Martin Brandenburg at July 28, 2026 at 14:11:21
• Martin Brandenburg ( Martin Brandenburg(rev # 19) | history )
  by Urs Schreiber at July 28, 2026 at 14:08:26
• Martin Brandenburg ( Martin Brandenburg(rev # 18) | history )
  by Martin Brandenburg at July 28, 2026 at 14:04:09
• Sandbox ( Sandbox(rev # 4056) | history )
  by Urs Schreiber at July 28, 2026 at 13:34:59
• Edward Fadell ( Edward Fadell(rev # 5) | history )
  by Urs Schreiber at July 28, 2026 at 12:10:04
• spherical braid group ( spherical braid group(rev # 9) | history )
  by Jeremias Rieser? at July 28, 2026 at 12:01:46
• neighborhood retract ( neighborhood retract(rev # 15) | history )
  by David Seez? at July 28, 2026 at 11:54:32
• Homotopical Algebra ( Homotopical Algebra(rev # 8) | history )
  by Urs Schreiber at July 28, 2026 at 09:25:08
• mapping class group ( mapping class group(rev # 47) | history )
  by Urs Schreiber at July 28, 2026 at 06:06:48
• baryogenesis ( baryogenesis(rev # 23) | history )
  by Urs Schreiber at July 28, 2026 at 05:58:06
• BMN matrix model ( BMN matrix model(rev # 46) | history )
  by Urs Schreiber at July 28, 2026 at 05:52:03
• list of theses in category theory ( list of theses in category theory(rev # 76) | history )
  by Alexander Campbell at July 28, 2026 at 03:05:22
• derived smooth manifold ( derived smooth manifold(rev # 22) | history )
  by Ceyhun Elmacioglu? at July 28, 2026 at 00:36:59
• relational beta-module ( relational beta-module(rev # 41) | history )
  by Vikraman Choudhury? at July 27, 2026 at 23:30:40
• Sandbox2 ( Sandbox2(rev # 148) | history )
  by Dean Young? at July 27, 2026 at 18:22:56
• tensor product of commutative monoids ( tensor product of commutative monoids(rev # 10) | history )
  by Quentin? at July 27, 2026 at 15:15:15
• distributive law ( distributive law(rev # 70) | history )
  by varkor at July 27, 2026 at 14:11:10
• Eilenberg-Zilber category ( Eilenberg-Zilber category(rev # 10) | history )
  by Evan Cavallo at July 27, 2026 at 13:40:32
• Malcev completion ( Malcev completion(rev # 8) | history )
  by Urs Schreiber at July 27, 2026 at 13:10:44
• Aldridge Bousfield ( Aldridge Bousfield(rev # 17) | history )
  by Urs Schreiber at July 27, 2026 at 13:01:16
• Bousfield localization of spectra ( Bousfield localization of spectra(rev # 47) | history )
  by Urs Schreiber at July 27, 2026 at 13:00:52
• core of a ring ( core of a ring(rev # 22) | history )
  by Urs Schreiber at July 27, 2026 at 12:59:25
• rational homotopy theory ( rational homotopy theory(rev # 147) | history )
  by Urs Schreiber at July 27, 2026 at 12:51:42
• real homotopy theory ( real homotopy theory(rev # 10) | history )
  by Urs Schreiber at July 27, 2026 at 12:48:35
• zero-dimensional ring ( zero-dimensional ring(rev # 3) | history )
  by Jacobian at July 27, 2026 at 12:47:53
• Daniel Quillen ( Daniel Quillen(rev # 19) | history )
  by Urs Schreiber at July 27, 2026 at 12:00:36
• rational homotopy theory ( rational homotopy theory(rev # 146) | history )
  by Urs Schreiber at July 27, 2026 at 12:00:10
• core of a ring ( core of a ring(rev # 21) | history )
  by Urs Schreiber at July 27, 2026 at 11:31:14
• Homotopy limits, completions and localizations ( Homotopy limits, completions and localizations(rev # 4) | history )
  by Urs Schreiber at July 27, 2026 at 11:03:45
• Chern class ( Chern class(rev # 55) | history )
  by Xiaomeng Xu? at July 26, 2026 at 16:06:10
• Chern class ( Chern class(rev # 54) | history )
  by Xiaomeng Xu? at July 26, 2026 at 16:06:07
• Nicolas Regnault ( Nicolas Regnault(rev # 7) | history )
  by Urs Schreiber at July 26, 2026 at 14:15:42
• quantum anomalous Hall effect ( quantum anomalous Hall effect(rev # 56) | history )
  by Urs Schreiber at July 26, 2026 at 14:15:15
• maximal spectrum ( maximal spectrum(rev # 11) | history )
  by Elías Guisado? at July 26, 2026 at 14:12:20
• Brillouin torus ( Brillouin torus(rev # 13) | history )
  by Urs Schreiber at July 26, 2026 at 13:54:54
• Allan H. MacDonald ( Allan H. MacDonald(rev # 4) | history )
  by Urs Schreiber at July 26, 2026 at 13:42:37
• Sandbox ( Sandbox(rev # 4055) | history )
  by Urs Schreiber at July 26, 2026 at 13:21:15
• Sandbox2 ( Sandbox2(rev # 147) | history )
  by Dean Young? at July 26, 2026 at 05:50:49
• object ( object(rev # 13) | history )
  by Leven Poi? at July 25, 2026 at 23:35:18
• object ( object(rev # 12) | history )
  by Leven Poi? at July 25, 2026 at 23:35:15
• Sandbox2 ( Sandbox2(rev # 146) | history )
  by Dean Young? at July 25, 2026 at 22:44:36
• Sandbox2 ( Sandbox2(rev # 145) | history )
  by Dean Young? at July 25, 2026 at 21:57:52
• Sandbox2 ( Sandbox2(rev # 144) | history )
  by Dean Young? at July 25, 2026 at 19:02:04
• Christoph Schweigert ( Christoph Schweigert(rev # 17) | history )
  by Urs Schreiber at July 25, 2026 at 17:09:22
• Johannes Walcher ( Johannes Walcher(rev # 5) | history )
  by Urs Schreiber at July 25, 2026 at 17:09:04
• Jürg Fröhlich ( Jürg Fröhlich(rev # 22) | history )
  by Urs Schreiber at July 25, 2026 at 17:07:58
• abelian Chern-Simons for fractional quantum Hall effect -- references ( abelian Chern-Simons for fractional quantum Hall effect -- references(rev # 38) | history )
  by Urs Schreiber at July 25, 2026 at 17:07:20
• Eilenberg-Zilber category ( Eilenberg-Zilber category(rev # 9) | history )
  by Evan Cavallo at July 25, 2026 at 15:35:48
• polynomial function ( polynomial function(rev # 7) | history )
  by some_random_phd_in_math? at July 25, 2026 at 08:06:24
• Joyal delta-ring ( Joyal delta-ring(rev # 6) | history )
  by John? at July 25, 2026 at 00:53:33
• ionad ( ionad(rev # 26) | history )
  by David Corfield at July 24, 2026 at 21:30:55
• hom-functor preserves limits ( hom-functor preserves limits(rev # 15) | history )
  by Sam Fisher? at July 24, 2026 at 20:23:49
• bar induction ( bar induction(rev # 8) | history )
  by JAC? at July 24, 2026 at 19:56:28
• observation of anyons in fractional quantum Hall systems -- references ( observation of anyons in fractional quantum Hall systems -- references(rev # 14) | history )
  by Urs Schreiber at July 24, 2026 at 12:07:28
• quantum Hall effect ( quantum Hall effect(rev # 124) | history )
  by Urs Schreiber at July 24, 2026 at 11:50:50
• geometric engineering of quantum field theory ( geometric engineering of quantum field theory(rev # 34) | history )
  by Urs Schreiber at July 24, 2026 at 10:42:28
• Andreas Karch ( Andreas Karch(rev # 14) | history )
  by Urs Schreiber at July 24, 2026 at 10:41:42
• Igor Baković ( Igor Baković(rev # 7) | history )
  by Urs Schreiber at July 24, 2026 at 10:37:44
• Yoneda lemma for bicategories ( Yoneda lemma for bicategories(rev # 22) | history )
  by Urs Schreiber at July 24, 2026 at 10:36:52
• bicategory ( bicategory(rev # 67) | history )
  by Urs Schreiber at July 24, 2026 at 10:28:56
• topological complexity ( topological complexity(rev # 6) | history )
  by Urs Schreiber at July 24, 2026 at 07:52:58
• 3d-3d correspondence ( 3d-3d correspondence(rev # 29) | history )
  by Urs Schreiber at July 24, 2026 at 07:42:40
• Ergin Sezgin ( Ergin Sezgin(rev # 34) | history )
  by Urs Schreiber at July 24, 2026 at 07:36:51
• Henning Samtleben ( Henning Samtleben(rev # 20) | history )
  by Urs Schreiber at July 24, 2026 at 07:36:28
• D=6 supergravity ( D=6 supergravity(rev # 22) | history )
  by Urs Schreiber at July 24, 2026 at 07:34:58
• electric-magnetic duality ( electric-magnetic duality(rev # 28) | history )
  by Urs Schreiber at July 24, 2026 at 07:31:26
• Andreas Karch ( Andreas Karch(rev # 13) | history )
  by Urs Schreiber at July 24, 2026 at 07:30:16
• abelian Chern-Simons for fractional quantum Hall effect -- references ( abelian Chern-Simons for fractional quantum Hall effect -- references(rev # 37) | history )
  by Urs Schreiber at July 24, 2026 at 07:28:07
• Heyting prealgebra ( Heyting prealgebra(rev # 12) | history )
  by coend at July 24, 2026 at 03:39:54
• presemilattice ( presemilattice(rev # 3) | history )
  by coend at July 24, 2026 at 03:39:23
• lattice ( lattice(rev # 36) | history )
  by coend at July 24, 2026 at 03:38:41
• prelattice ( prelattice(rev # 14) | history )
  by coend at July 24, 2026 at 03:38:09