nLab Latest Revisions

• Hermite polynomial ( Hermite polynomial(rev # 7) | history )
  by Urs Schreiber at August 3, 2026 at 19:52:57
• rapidly decreasing function ( rapidly decreasing function(rev # 4) | history )
  by 15063662@qq.com? at August 3, 2026 at 14:18:13
• algebraic theory ( algebraic theory(rev # 75) | history )
  by Beppe? at August 3, 2026 at 13:54:56
• Dmitri Sorokin ( Dmitri Sorokin(rev # 24) | history )
  by Urs Schreiber at August 3, 2026 at 05:46:45
• Kurt Lechner ( Kurt Lechner(rev # 10) | history )
  by Urs Schreiber at August 3, 2026 at 05:46:25
• Igor Bandos ( Igor Bandos(rev # 26) | history )
  by Urs Schreiber at August 3, 2026 at 05:46:02
• M5-brane ( M5-brane(rev # 144) | history )
  by Urs Schreiber at August 3, 2026 at 05:44:40
• homotopy groups of spheres ( homotopy groups of spheres(rev # 63) | history )
  by Urs Schreiber at August 2, 2026 at 20:05:50
• Hiroshi Toda ( Hiroshi Toda(rev # 7) | history )
  by Urs Schreiber at August 2, 2026 at 19:52:43
• Toda bracket ( Toda bracket(rev # 24) | history )
  by Urs Schreiber at August 2, 2026 at 19:51:05
• pure morphism ( pure morphism(rev # 20) | history )
  by Dean Young? at August 1, 2026 at 17:58:41
• Dennis McLaughlin ( Dennis McLaughlin(rev # 1) | history )
  by Urs Schreiber at August 1, 2026 at 14:31:09
• Jean-Luc Brylinski ( Jean-Luc Brylinski(rev # 9) | history )
  by Urs Schreiber at August 1, 2026 at 14:30:59
• characteristic class ( characteristic class(rev # 44) | history )
  by Urs Schreiber at August 1, 2026 at 14:30:07
• Pontryagin class ( Pontryagin class(rev # 34) | history )
  by Urs Schreiber at August 1, 2026 at 14:22:02
• 5-manifold ( 5-manifold(rev # 5) | history )
  by Urs Schreiber at August 1, 2026 at 12:47:52
• cohomotopy ( cohomotopy(rev # 132) | history )
  by Urs Schreiber at August 1, 2026 at 12:46:53
• Tyrone Cutler ( Tyrone Cutler(rev # 5) | history )
  by Urs Schreiber at August 1, 2026 at 12:45:29
• Pengcheng Li ( Pengcheng Li(rev # 2) | history )
  by Urs Schreiber at August 1, 2026 at 12:41:33
• Thomas Rot ( Thomas Rot(rev # 2) | history )
  by Urs Schreiber at August 1, 2026 at 12:29:19
• cartesian monad ( cartesian monad(rev # 32) | history )
  by varkor at August 1, 2026 at 11:14:40
• contractible space ( contractible space(rev # 25) | history )
  by Urs Schreiber at July 31, 2026 at 18:03:42
• Sandbox ( Sandbox(rev # 4057) | history )
  by Urs Schreiber at July 31, 2026 at 17:03:47
• contractible space ( contractible space(rev # 24) | history )
  by Urs Schreiber at July 31, 2026 at 17:03:10
• sharp modality ( sharp modality(rev # 10) | history )
  by Urs Schreiber at July 31, 2026 at 16:44:26
• formal smooth infinity-groupoid ( formal smooth infinity-groupoid(rev # 84) | history )
  by Urs Schreiber at July 31, 2026 at 16:40:09
• pure morphism ( pure morphism(rev # 19) | history )
  by Urs Schreiber at July 31, 2026 at 15:54:24
• scheme ( scheme(rev # 47) | history )
  by Urs Schreiber at July 31, 2026 at 15:17:49
• pure morphism ( pure morphism(rev # 18) | history )
  by Urs Schreiber at July 31, 2026 at 14:56:50
• amnestic isofibration ( amnestic isofibration(rev # 4) | history )
  by varkor at July 31, 2026 at 14:33:03
• essentially surjective functor ( essentially surjective functor(rev # 22) | history )
  by varkor at July 31, 2026 at 14:32:56
• orthogonal factorization system ( orthogonal factorization system(rev # 54) | history )
  by varkor at July 31, 2026 at 13:56:42
• amnestic isofibration ( amnestic isofibration(rev # 3) | history )
  by varkor at July 31, 2026 at 13:54:39
• anomalous velocity ( anomalous velocity(rev # 5) | history )
  by Urs Schreiber at July 31, 2026 at 10:46:14
• anomalous Hall effect ( anomalous Hall effect(rev # 8) | history )
  by Urs Schreiber at July 31, 2026 at 10:45:47
• 2-topos ( 2-topos(rev # 33) | history )
  by Urs Schreiber at July 31, 2026 at 06:35:13
• rational model of mapping space ( rational model of mapping space(rev # 29) | history )
  by Urs Schreiber at July 31, 2026 at 06:30:36
• Whitehead product ( Whitehead product(rev # 44) | history )
  by Urs Schreiber at July 31, 2026 at 06:29:12
• Hopf degree theorem ( Hopf degree theorem(rev # 38) | history )
  by Urs Schreiber at July 31, 2026 at 06:24:49
• Dimitrios Tsimpis ( Dimitrios Tsimpis(rev # 21) | history )
  by Urs Schreiber at July 31, 2026 at 06:18:55
• Sasakian manifold ( Sasakian manifold(rev # 12) | history )
  by Urs Schreiber at July 31, 2026 at 06:18:22
• free topos ( free topos(rev # 15) | history )
  by Mark John Hopkins at July 31, 2026 at 01:31:34
• quantum anomalous Hall effect ( quantum anomalous Hall effect(rev # 58) | history )
  by Urs Schreiber at July 30, 2026 at 19:19:23
• cocategory ( cocategory(rev # 12) | history )
  by Tim Campion at July 30, 2026 at 19:18:48
• Christopher Mudry ( Christopher Mudry(rev # 3) | history )
  by Urs Schreiber at July 30, 2026 at 18:48:08
• Claudio Chamon ( Claudio Chamon(rev # 4) | history )
  by Urs Schreiber at July 30, 2026 at 18:47:51
• Titus Neupert ( Titus Neupert(rev # 6) | history )
  by Urs Schreiber at July 30, 2026 at 18:34:51
• quantum anomalous Hall effect ( quantum anomalous Hall effect(rev # 57) | history )
  by Urs Schreiber at July 30, 2026 at 18:34:21
• multicategory ( multicategory(rev # 46) | history )
  by sjb? at July 30, 2026 at 15:13:09
• Giuseppe Rosolini ( Giuseppe Rosolini(rev # 8) | history )
  by Urs Schreiber at July 30, 2026 at 14:19:22
• Giuseppe Rosolini ( Giuseppe Rosolini(rev # 7) | history )
  by Pino Rosolini at July 30, 2026 at 14:09:22
• Mayer-Vietoris sequence ( Mayer-Vietoris sequence(rev # 29) | history )
  by Urs Schreiber at July 30, 2026 at 13:12:14
• Evan Cavallo ( Evan Cavallo(rev # 9) | history )
  by Evan Cavallo at July 30, 2026 at 12:35:28
• Ralph Abraham ( Ralph Abraham(rev # 9) | history )
  by Urs Schreiber at July 30, 2026 at 11:58:49
• Mayer-Vietoris sequence ( Mayer-Vietoris sequence(rev # 28) | history )
  by Evan Cavallo at July 30, 2026 at 11:28:35
• model structure on functors ( model structure on functors(rev # 65) | history )
  by Urs Schreiber at July 30, 2026 at 11:27:52
• model structure on dg-algebras ( model structure on dg-algebras(rev # 82) | history )
  by Urs Schreiber at July 30, 2026 at 10:40:13
• epimorphism ( epimorphism(rev # 58) | history )
  by Elías Guisado? at July 30, 2026 at 10:01:29
• David Michael Roberts ( David Michael Roberts(rev # 219) | history )
  by David Roberts? at July 30, 2026 at 09:38:07
• Ralph Abraham ( Ralph Abraham(rev # 8) | history )
  by Valdetaro, Mariana? at July 30, 2026 at 08:47:42
• model structure on functors ( model structure on functors(rev # 64) | history )
  by Urs Schreiber at July 30, 2026 at 08:17:22
• Ralph Abraham ( Ralph Abraham(rev # 7) | history )
  by Valdetaro, Mariana? at July 30, 2026 at 08:02:03
• lax monoidal category ( lax monoidal category(rev # 21) | history )
  by varkor at July 30, 2026 at 07:46:14
• Michael Hopkins ( Michael Hopkins(rev # 26) | history )
  by Urs Schreiber at July 30, 2026 at 07:15:57
• Tom Bachmann ( Tom Bachmann(rev # 2) | history )
  by Urs Schreiber at July 30, 2026 at 07:15:39
• Aravind Asok ( Aravind Asok(rev # 4) | history )
  by Urs Schreiber at July 30, 2026 at 07:15:03
• GAGA ( GAGA(rev # 18) | history )
  by Urs Schreiber at July 30, 2026 at 07:14:02
• Hopf degree theorem ( Hopf degree theorem(rev # 37) | history )
  by Urs Schreiber at July 30, 2026 at 07:09:50
• Павел Мнёв ( Павел Мнёв(rev # 7) | history )
  by Urs Schreiber at July 30, 2026 at 07:03:20
• AKSZ sigma-model ( AKSZ sigma-model(rev # 46) | history )
  by Urs Schreiber at July 30, 2026 at 07:02:26
• parastatistics ( parastatistics(rev # 24) | history )
  by Urs Schreiber at July 30, 2026 at 06:59:29
• Eduardo Dubuc ( Eduardo Dubuc(rev # 13) | history )
  by Urs Schreiber at July 30, 2026 at 06:49:36
• Grothendieck-Teichmüller tower ( Grothendieck-Teichmüller tower(rev # 23) | history )
  by Jesus Lopez? at July 30, 2026 at 01:11:19
• Malcev variety ( Malcev variety(rev # 21) | history )
  by Max S. New at July 29, 2026 at 19:49:17
• phonology ( phonology(rev # 3) | history )
  by Urs Schreiber at July 29, 2026 at 19:01:25
• Noam Chomsky ( Noam Chomsky(rev # 12) | history )
  by Urs Schreiber at July 29, 2026 at 19:00:21
• computer science ( computer science(rev # 28) | history )
  by Urs Schreiber at July 29, 2026 at 18:55:39
• automaton ( automaton(rev # 27) | history )
  by Urs Schreiber at July 29, 2026 at 18:54:22
• Noam Chomsky ( Noam Chomsky(rev # 11) | history )
  by Dean Young? at July 29, 2026 at 17:22:40
• reducible representation ( reducible representation(rev # 2) | history )
  by Urs Schreiber at July 29, 2026 at 15:29:17
• Maschke's theorem ( Maschke's theorem(rev # 7) | history )
  by Urs Schreiber at July 29, 2026 at 15:28:50
• subrepresentation ( subrepresentation(rev # 2) | history )
  by Urs Schreiber at July 29, 2026 at 15:28:03
• irreducible representation ( irreducible representation(rev # 21) | history )
  by Urs Schreiber at July 29, 2026 at 14:56:09
• representation theory ( representation theory(rev # 52) | history )
  by Urs Schreiber at July 29, 2026 at 14:55:20
• Serge Lang ( Serge Lang(rev # 5) | history )
  by Urs Schreiber at July 29, 2026 at 14:49:45
• algebra ( algebra(rev # 48) | history )
  by Urs Schreiber at July 29, 2026 at 14:49:00
• linguistics ( linguistics(rev # 45) | history )
  by Urs Schreiber at July 29, 2026 at 14:00:38
• phonology ( phonology(rev # 2) | history )
  by Urs Schreiber at July 29, 2026 at 13:59:38
• syntax (linguistics) ( syntax (linguistics)(rev # 4) | history )
  by Erk? at July 29, 2026 at 12:34:50
• Quillen adjunction ( Quillen adjunction(rev # 40) | history )
  by Urs Schreiber at July 29, 2026 at 12:29:43
• CW complex ( CW complex(rev # 89) | history )
  by Timur Obolenskiy? at July 29, 2026 at 12:28:44
• linguistics ( linguistics(rev # 44) | history )
  by Erk? at July 29, 2026 at 12:28:09
• phonology ( phonology(rev # 1) | history )
  by Erk? at July 29, 2026 at 12:14:06
• Noam Chomsky ( Noam Chomsky(rev # 10) | history )
  by Erk? at July 29, 2026 at 11:39:59
• deck transformation ( deck transformation(rev # 7) | history )
  by Urs Schreiber at July 29, 2026 at 11:27:27
• infinity-action ( infinity-action(rev # 48) | history )
  by Urs Schreiber at July 29, 2026 at 11:09:27
• Amit Sharma ( Amit Sharma(rev # 3) | history )
  by Urs Schreiber at July 29, 2026 at 11:06:16
• controllability and observability ( controllability and observability(rev # 13) | history )
  by David Corfield at July 29, 2026 at 11:03:29
• Borel-equivariant rational homotopy theory ( Borel-equivariant rational homotopy theory(rev # 15) | history )
  by Urs Schreiber at July 29, 2026 at 09:10:56
• Aldridge Bousfield ( Aldridge Bousfield(rev # 18) | history )
  by Urs Schreiber at July 29, 2026 at 08:56:37