nLab Latest Revisions

• notation ( notation(rev # 5) | history )
  by Urs Schreiber at July 2, 2026 at 17:36:47
• algebraic variety ( algebraic variety(rev # 34) | history )
  by Urs Schreiber at July 2, 2026 at 16:16:53
• propositional logic ( propositional logic(rev # 16) | history )
  by Madeleine Birchfield at July 2, 2026 at 14:58:57
• ultrascheme ( ultrascheme(rev # 5) | history )
  by Elías Guisado? at July 2, 2026 at 14:44:16
• Sandbox ( Sandbox(rev # 4040) | history )
  by Elías Guisado? at July 2, 2026 at 14:39:09
• algebraic variety ( algebraic variety(rev # 33) | history )
  by Elías Guisado? at July 2, 2026 at 14:32:07
• protomodular category ( protomodular category(rev # 18) | history )
  by Monique? at July 2, 2026 at 13:50:55
• regular map ( regular map(rev # 2) | history )
  by Elías Guisado? at July 2, 2026 at 13:48:23
• algebraic variety ( algebraic variety(rev # 32) | history )
  by Elías Guisado? at July 2, 2026 at 13:43:28
• Sandbox ( Sandbox(rev # 4039) | history )
  by Elías Guisado? at July 2, 2026 at 13:22:46
• semi-topological K-theory ( semi-topological K-theory(rev # 6) | history )
  by Urs Schreiber at July 2, 2026 at 12:11:41
• semi-topological K-theory ( semi-topological K-theory(rev # 7) | history )
  by Urs Schreiber at July 2, 2026 at 12:11:41
• Sandbox ( Sandbox(rev # 4038) | history )
  by Elías Guisado? at July 2, 2026 at 11:43:35
• algebraic variety ( algebraic variety(rev # 31) | history )
  by Elías Guisado? at July 2, 2026 at 10:09:14
• books in algebraic geometry ( books in algebraic geometry(rev # 16) | history )
  by Elías Guisado? at July 2, 2026 at 10:08:38
• algebraic geometry ( algebraic geometry(rev # 38) | history )
  by Elías Guisado? at July 2, 2026 at 09:52:38
• algebraic variety ( algebraic variety(rev # 30) | history )
  by Elías Guisado? at July 2, 2026 at 09:10:24
• Urs Schreiber ( Urs Schreiber(rev # 150) | history )
  by Urs Schreiber at July 2, 2026 at 08:43:24
• sober topological space ( sober topological space(rev # 55) | history )
  by Elías Guisado? at July 2, 2026 at 08:34:28
• ultrascheme ( ultrascheme(rev # 4) | history )
  by Elías Guisado? at July 2, 2026 at 08:23:35
• Sandbox ( Sandbox(rev # 4037) | history )
  by Elías Guisado? at July 2, 2026 at 08:23:07
• Maxwell-Chern-Simons theory ( Maxwell-Chern-Simons theory(rev # 30) | history )
  by Urs Schreiber at July 2, 2026 at 05:51:29
• enriched functor ( enriched functor(rev # 21) | history )
  by Matteo? at July 2, 2026 at 05:14:55
• M M Postnikov ( M M Postnikov(rev # 20) | history )
  by kashiwagi? at July 2, 2026 at 00:10:22
• notation ( notation(rev # 4) | history )
  by Άπειρον Αρχή? at July 1, 2026 at 22:11:03
• ultrascheme ( ultrascheme(rev # 3) | history )
  by Urs Schreiber at July 1, 2026 at 18:23:54
• Yves Diers ( Yves Diers(rev # 6) | history )
  by Urs Schreiber at July 1, 2026 at 18:23:08
• André Coimbra
  by Urs Schreiber at July 1, 2026 at 18:13:52
• exceptional tangent bundle ( exceptional tangent bundle(rev # 12) | history )
  by Urs Schreiber at July 1, 2026 at 18:11:40
• type II geometry ( type II geometry(rev # 18) | history )
  by Urs Schreiber at July 1, 2026 at 18:11:08
• Charles Strickland-Constable ( Charles Strickland-Constable(rev # 6) | history )
  by Urs Schreiber at July 1, 2026 at 18:10:07
• Daniel Waldram ( Daniel Waldram(rev # 12) | history )
  by Urs Schreiber at July 1, 2026 at 18:09:18
• exceptional generalized geometry ( exceptional generalized geometry(rev # 65) | history )
  by Urs Schreiber at July 1, 2026 at 18:08:24
• Sandbox ( Sandbox(rev # 4036) | history )
  by Urs Schreiber at July 1, 2026 at 18:05:34
• C-field gauge algebra -- references ( C-field gauge algebra -- references(rev # 6) | history )
  by Urs Schreiber at July 1, 2026 at 17:48:31
• geometry of physics -- de Rham coefficients ( geometry of physics -- de Rham coefficients(rev # 2) | history )
  by Quentin? at July 1, 2026 at 17:19:16
• ultrascheme ( ultrascheme(rev # 2) | history )
  by Elías Guisado? at July 1, 2026 at 14:17:33
• Sandbox ( Sandbox(rev # 4035) | history )
  by Elías Guisado? at July 1, 2026 at 14:14:02
• Lean ( Lean(rev # 26) | history )
  by Ben Eltschig? at July 1, 2026 at 14:12:24
• relative adjoint functor ( relative adjoint functor(rev # 27) | history )
  by Elías Guisado? at July 1, 2026 at 14:00:11
• ultrascheme ( ultrascheme(rev # 1) | history )
  by Elías Guisado? at July 1, 2026 at 13:43:17
• Sandbox ( Sandbox(rev # 4034) | history )
  by Elías Guisado? at July 1, 2026 at 13:38:09
• maximal spectrum ( maximal spectrum(rev # 9) | history )
  by Elías Guisado? at July 1, 2026 at 12:54:34
• Andrea Santi
  by Urs Schreiber at July 1, 2026 at 12:54:21
• José Figueroa-O’Farrill ( José Figueroa-O’Farrill(rev # 24) | history )
  by Urs Schreiber at July 1, 2026 at 12:54:04
• Sasakian manifold ( Sasakian manifold(rev # 11) | history )
  by Urs Schreiber at July 1, 2026 at 12:53:22
• Spencer cohomology ( Spencer cohomology(rev # 6) | history )
  by Urs Schreiber at July 1, 2026 at 12:51:33
• superisometry group ( superisometry group(rev # 10) | history )
  by Urs Schreiber at July 1, 2026 at 12:50:42
• G(3) ( G(3)(rev # 2) | history )
  by Urs Schreiber at July 1, 2026 at 12:49:48
• D=11 N=1 supergravity ( D=11 N=1 supergravity(rev # 116) | history )
  by Urs Schreiber at July 1, 2026 at 12:44:29
• notation ( notation(rev # 3) | history )
  by Άπειρον Αρχή? at July 1, 2026 at 12:38:05
• connected site ( connected site(rev # 6) | history )
  by Ben Eltschig? at July 1, 2026 at 12:23:07
• locally connected site ( locally connected site(rev # 12) | history )
  by Ben Eltschig? at July 1, 2026 at 12:07:54
• D=11 N=1 supergravity ( D=11 N=1 supergravity(rev # 115) | history )
  by Urs Schreiber at July 1, 2026 at 11:17:07
• José Figueroa-O’Farrill ( José Figueroa-O’Farrill(rev # 23) | history )
  by Urs Schreiber at July 1, 2026 at 11:07:21
• Spencer cohomology ( Spencer cohomology(rev # 5) | history )
  by Urs Schreiber at July 1, 2026 at 10:17:01
• maximal spectrum ( maximal spectrum(rev # 8) | history )
  by Elías Guisado? at July 1, 2026 at 10:12:17
• Sandbox ( Sandbox(rev # 4033) | history )
  by Elías Guisado? at July 1, 2026 at 10:11:23
• strange metal ( strange metal(rev # 17) | history )
  by Urs Schreiber at July 1, 2026 at 07:19:37
• Geoffroy Horel ( Geoffroy Horel(rev # 4) | history )
  by Urs Schreiber at July 1, 2026 at 07:16:23
• configuration space of points ( configuration space of points(rev # 162) | history )
  by Urs Schreiber at July 1, 2026 at 07:15:41
• cosmology ( cosmology(rev # 40) | history )
  by Urs Schreiber at July 1, 2026 at 07:09:34
• notation ( notation(rev # 2) | history )
  by Άπειρον Αρχή? at July 1, 2026 at 01:49:49
• connected site ( connected site(rev # 5) | history )
  by Ben Eltschig? at July 1, 2026 at 00:06:35
• Martin Cederwall ( Martin Cederwall(rev # 10) | history )
  by Urs Schreiber at June 30, 2026 at 15:40:49
• continuation monad ( continuation monad(rev # 18) | history )
  by Matteo Capucci at June 30, 2026 at 13:42:00
• semimodel category ( semimodel category(rev # 5) | history )
  by Tim Porter at June 30, 2026 at 13:40:58
• Čech cohomology ( Čech cohomology(rev # 56) | history )
  by Urs Schreiber at June 30, 2026 at 09:46:06
• Claus Michael Ringel ( Claus Michael Ringel(rev # 3) | history )
  by Urs Schreiber at June 30, 2026 at 07:57:57
• artinian ring ( artinian ring(rev # 14) | history )
  by Urs Schreiber at June 30, 2026 at 07:57:24
• smothering functor ( smothering functor(rev # 5) | history )
  by Urs Schreiber at June 30, 2026 at 07:56:56
• Hans-Joachim Baues ( Hans-Joachim Baues(rev # 24) | history )
  by Urs Schreiber at June 30, 2026 at 07:45:33
• derived category ( derived category(rev # 40) | history )
  by Urs Schreiber at June 30, 2026 at 07:40:33
• Bernhard Keller ( Bernhard Keller(rev # 8) | history )
  by Urs Schreiber at June 30, 2026 at 07:39:28
• Hermann von Helmholtz ( Hermann von Helmholtz(rev # 3) | history )
  by Urs Schreiber at June 30, 2026 at 07:34:47
• Helmholtz operator ( Helmholtz operator(rev # 6) | history )
  by Urs Schreiber at June 30, 2026 at 07:34:06
• principle of extremal action ( principle of extremal action(rev # 12) | history )
  by Urs Schreiber at June 30, 2026 at 07:33:33
• Igor Khavkine ( Igor Khavkine(rev # 10) | history )
  by Urs Schreiber at June 30, 2026 at 07:24:48
• music theory ( music theory(rev # 30) | history )
  by Urs Schreiber at June 30, 2026 at 07:16:41
• Hermann von Helmholtz ( Hermann von Helmholtz(rev # 2) | history )
  by Urs Schreiber at June 30, 2026 at 07:04:49
• music theory ( music theory(rev # 29) | history )
  by Dean Young? at June 30, 2026 at 06:45:44
• notation ( notation(rev # 1) | history )
  by Άπειρον Αρχή? at June 30, 2026 at 06:29:10
• Sandbox ( Sandbox(rev # 4032) | history )
  by Άπειρον Αρχή? at June 30, 2026 at 06:13:47
• Sandbox ( Sandbox(rev # 4031) | history )
  by Άπειρον Αρχή? at June 30, 2026 at 06:13:46
• David Gepner ( David Gepner(rev # 15) | history )
  by Urs Schreiber at June 30, 2026 at 04:23:40
• infinity-category ( infinity-category(rev # 40) | history )
  by Urs Schreiber at June 30, 2026 at 04:22:21
• W algebra ( W algebra(rev # 27) | history )
  by Urs Schreiber at June 30, 2026 at 04:13:51
• ten-fold way ( ten-fold way(rev # 13) | history )
  by Urs Schreiber at June 30, 2026 at 04:10:56
• Igor Khavkine ( Igor Khavkine(rev # 9) | history )
  by Urs Schreiber at June 30, 2026 at 04:08:45
• Theodore Erler ( Theodore Erler(rev # 5) | history )
  by Urs Schreiber at June 30, 2026 at 04:07:40
• Peierls bracket ( Peierls bracket(rev # 22) | history )
  by Urs Schreiber at June 30, 2026 at 04:07:01
• D=2 QCD ( D=2 QCD(rev # 15) | history )
  by Urs Schreiber at June 30, 2026 at 04:01:35
• smothering functor ( smothering functor(rev # 4) | history )
  by Urs Schreiber at June 30, 2026 at 03:56:33
• morphism ( morphism(rev # 29) | history )
  by Urs Schreiber at June 30, 2026 at 03:54:01
• morphism ( morphism(rev # 28) | history )
  by Urs Schreiber at June 30, 2026 at 03:14:59
• morphism ( morphism(rev # 27) | history )
  by Άπειρον Αρχή? at June 30, 2026 at 02:27:18
• morphism ( morphism(rev # 26) | history )
  by Άπειρον Αρχή? at June 29, 2026 at 23:28:45
• morphism ( morphism(rev # 25) | history )
  by Άπειρον Αρχή? at June 29, 2026 at 23:25:19
• Hopf construction ( Hopf construction(rev # 26) | history )
  by James Jensen? at June 29, 2026 at 15:47:58
• motivation for higher differential geometry ( motivation for higher differential geometry(rev # 21) | history )
  by 15063662@qq.com? at June 29, 2026 at 15:36:42