nLab Latest Revisions

• skeleton ( skeleton(rev # 3) | history )
  by p? at June 13, 2025 at 12:28:16
• skeleton ( skeleton(rev # 2) | history )
  by p? at June 13, 2025 at 11:57:26
• additively idempotent semiring ( additively idempotent semiring(rev # 15) | history )
  by p? at June 13, 2025 at 11:46:17
• band ( band(rev # 14) | history )
  by p? at June 13, 2025 at 11:30:54
• Tom Blyth
  by p? at June 13, 2025 at 11:28:31
• apartness relation ( apartness relation(rev # 64) | history )
  by fwaaldijk? at June 13, 2025 at 11:28:12
• Donald McAlister
  by p? at June 13, 2025 at 11:24:36
• skeletal category ( skeletal category(rev # 45) | history )
  by p? at June 13, 2025 at 11:12:58
• skeleton ( skeleton(rev # 1) | history )
  by p? at June 13, 2025 at 10:50:11
• simplicial skeleton ( simplicial skeleton(rev # 45) | history )
  by p? at June 13, 2025 at 10:47:46
• logic ( logic(rev # 73) | history )
  by Jonathan Osser? at June 13, 2025 at 10:36:41
• Emily Riehl ( Emily Riehl(rev # 45) | history )
  by Urs Schreiber at June 13, 2025 at 10:08:51
• category theory ( category theory(rev # 292) | history )
  by Urs Schreiber at June 13, 2025 at 10:08:22
• over category ( over category(rev # 56) | history )
  by Urs Schreiber at June 13, 2025 at 10:07:55
• under category ( under category(rev # 28) | history )
  by Urs Schreiber at June 13, 2025 at 10:07:28
• Category Theory in Context ( Category Theory in Context(rev # 6) | history )
  by Urs Schreiber at June 13, 2025 at 10:06:26
• connected colimit ( connected colimit(rev # 3) | history )
  by Urs Schreiber at June 13, 2025 at 09:53:41
• residuated idempotent semiring ( residuated idempotent semiring(rev # 4) | history )
  by Urs Schreiber at June 13, 2025 at 08:22:09
• measurable Gelfand duality ( measurable Gelfand duality(rev # 2) | history )
  by paoloperrone at June 13, 2025 at 07:56:31
• quantum gravity ( quantum gravity(rev # 76) | history )
  by Urs Schreiber at June 13, 2025 at 07:47:47
• entanglement ( entanglement(rev # 41) | history )
  by Urs Schreiber at June 13, 2025 at 07:46:51
• holographic entanglement entropy ( holographic entanglement entropy(rev # 90) | history )
  by Urs Schreiber at June 13, 2025 at 07:45:11
• prime ideal ( prime ideal(rev # 12) | history )
  by Tomas? at June 13, 2025 at 07:42:46
• Tadashi Takayanagi ( Tadashi Takayanagi(rev # 7) | history )
  by Urs Schreiber at June 13, 2025 at 07:39:28
• Mark Van Raamsdonk ( Mark Van Raamsdonk(rev # 14) | history )
  by Urs Schreiber at June 13, 2025 at 07:37:47
• Brian Swingle ( Brian Swingle(rev # 5) | history )
  by Urs Schreiber at June 13, 2025 at 07:33:00
• Renate Loll ( Renate Loll(rev # 2) | history )
  by Urs Schreiber at June 13, 2025 at 07:25:02
• Jan Ambjørn ( Jan Ambjørn(rev # 2) | history )
  by Urs Schreiber at June 13, 2025 at 07:24:44
• piecewise flat spacetime ( piecewise flat spacetime(rev # 21) | history )
  by Urs Schreiber at June 13, 2025 at 07:24:24
• Loomis-Sikorski duality ( Loomis-Sikorski duality(rev # 7) | history )
  by paoloperrone at June 13, 2025 at 07:23:58
• Handbook of Quantum Gravity ( Handbook of Quantum Gravity(rev # 41) | history )
  by Urs Schreiber at June 13, 2025 at 07:16:24
• causet ( causet(rev # 24) | history )
  by Urs Schreiber at June 13, 2025 at 07:15:59
• Steve Carlip ( Steve Carlip(rev # 8) | history )
  by Urs Schreiber at June 13, 2025 at 07:04:04
• Bernard S. Kay ( Bernard S. Kay(rev # 2) | history )
  by Urs Schreiber at June 13, 2025 at 06:22:58
• AQFT on curved spacetimes ( AQFT on curved spacetimes(rev # 31) | history )
  by Urs Schreiber at June 13, 2025 at 06:22:19
• semilattice ( semilattice(rev # 24) | history )
  by p? at June 13, 2025 at 06:09:50
• idempotent monoid ( idempotent monoid(rev # 2) | history )
  by p? at June 13, 2025 at 06:08:37
• band ( band(rev # 13) | history )
  by p? at June 13, 2025 at 06:05:52
• multiplicatively idempotent semiring ( multiplicatively idempotent semiring(rev # 13) | history )
  by p? at June 13, 2025 at 05:53:29
• additively idempotent semiring ( additively idempotent semiring(rev # 14) | history )
  by p? at June 13, 2025 at 05:28:55
• Boolean semiring (Guzmán) ( Boolean semiring (Guzmán)(rev # 5) | history )
  by p? at June 13, 2025 at 05:23:32
• Kleene star algebra ( Kleene star algebra(rev # 9) | history )
  by p? at June 13, 2025 at 05:19:20
• max-plus algebra ( max-plus algebra(rev # 6) | history )
  by p? at June 13, 2025 at 04:56:34
• residuated morphism ( residuated morphism(rev # 3) | history )
  by p? at June 13, 2025 at 04:55:45
• residuated idempotent semiring ( residuated idempotent semiring(rev # 3) | history )
  by p? at June 13, 2025 at 04:55:15
• tropical semiring ( tropical semiring(rev # 18) | history )
  by p? at June 13, 2025 at 04:55:01
• idempotent semifield ( idempotent semifield(rev # 9) | history )
  by p? at June 13, 2025 at 04:54:03
• 01-bounded semilattice ( 01-bounded semilattice(rev # 6) | history )
  by p? at June 13, 2025 at 04:43:40
• Boolean semiring ( Boolean semiring(rev # 2) | history )
  by p? at June 13, 2025 at 04:39:46
• idempotent semiring ( idempotent semiring(rev # 2) | history )
  by p? at June 13, 2025 at 04:20:05
• idempotent monoid ( idempotent monoid(rev # 1) | history )
  by p? at June 13, 2025 at 04:18:40
• band ( band(rev # 12) | history )
  by p? at June 13, 2025 at 04:18:20
• Boolean ring ( Boolean ring(rev # 28) | history )
  by p? at June 13, 2025 at 04:10:08
• additively idempotent rig > history
  by p? at June 13, 2025 at 03:56:20
• idempotent semiring ( idempotent semiring(rev # 1) | history )
  by p? at June 13, 2025 at 03:39:49
• Boolean semiring (Guzmán) ( Boolean semiring (Guzmán)(rev # 4) | history )
  by p? at June 13, 2025 at 03:22:51
• rig ( rig(rev # 52) | history )
  by p? at June 13, 2025 at 03:21:12
• multiplicatively idempotent semiring ( multiplicatively idempotent semiring(rev # 12) | history )
  by J-B Vienney at June 13, 2025 at 03:12:40
• multiplicatively idempotent semiring ( multiplicatively idempotent semiring(rev # 11) | history )
  by p? at June 13, 2025 at 03:11:06
• Kleene star algebra ( Kleene star algebra(rev # 8) | history )
  by p? at June 13, 2025 at 03:09:56
• Boolean semiring (Guzmán) ( Boolean semiring (Guzmán)(rev # 3) | history )
  by J-B Vienney at June 13, 2025 at 03:07:59
• Boolean semiring (Guzmán) ( Boolean semiring (Guzmán)(rev # 2) | history )
  by p? at June 13, 2025 at 02:55:08
• 01-bounded semilattice ( 01-bounded semilattice(rev # 5) | history )
  by p? at June 13, 2025 at 02:11:20
• Boolean semiring (Chajda & Kotrle) ( Boolean semiring (Chajda & Kotrle)(rev # 3) | history )
  by p? at June 13, 2025 at 02:05:44
• Toby Bartels ( Toby Bartels(rev # 35) | history )
  by p? at June 13, 2025 at 01:57:00
• Ivan Chajda
  by p? at June 13, 2025 at 01:54:14
• Miroslav Kotrle
  by p? at June 13, 2025 at 01:52:36
• Boolean semiring (Guzmán) ( Boolean semiring (Guzmán)(rev # 1) | history )
  by p? at June 13, 2025 at 01:43:32
• Fernando Guzmán
  by p? at June 13, 2025 at 01:41:20
• Boolean semiring (Chajda & Kotrle) ( Boolean semiring (Chajda & Kotrle)(rev # 2) | history )
  by p? at June 13, 2025 at 01:13:40
• field (physics) ( field (physics)(rev # 78) | history )
  by Jesus Lopez? at June 13, 2025 at 01:01:37
• rig ( rig(rev # 51) | history )
  by p? at June 13, 2025 at 01:00:40
• band ( band(rev # 11) | history )
  by Todd Trimble at June 13, 2025 at 00:56:51
• Boolean semiring ( Boolean semiring(rev # 1) | history )
  by p? at June 13, 2025 at 00:54:15
• Boolean semiring (Chajda & Kotrle) ( Boolean semiring (Chajda & Kotrle)(rev # 1) | history )
  by p? at June 13, 2025 at 00:26:39
• formally real algebra ( formally real algebra(rev # 4) | history )
  by p? at June 12, 2025 at 23:50:57
• Boolean ring ( Boolean ring(rev # 27) | history )
  by p? at June 12, 2025 at 23:50:29
• 01-bounded semilattice ( 01-bounded semilattice(rev # 4) | history )
  by p? at June 12, 2025 at 23:50:17
• Morgan Rogers
  by p? at June 12, 2025 at 23:49:30
• band ( band(rev # 10) | history )
  by p? at June 12, 2025 at 23:44:55
• band ( band(rev # 9) | history )
  by Todd Trimble at June 12, 2025 at 22:07:00
• skew lattice ( skew lattice(rev # 6) | history )
  by Todd Trimble at June 12, 2025 at 20:55:59
• rectangular band ( rectangular band(rev # 9) | history )
  by p? at June 12, 2025 at 20:39:27
• band ( band(rev # 8) | history )
  by p? at June 12, 2025 at 20:28:05
• band ( band(rev # 7) | history )
  by Todd Trimble at June 12, 2025 at 20:16:55
• Ashvin Vishwanath ( Ashvin Vishwanath(rev # 6) | history )
  by Urs Schreiber at June 12, 2025 at 20:16:45
• unstable classification of topological phases -- references ( unstable classification of topological phases -- references(rev # 3) | history )
  by Urs Schreiber at June 12, 2025 at 20:16:27
• skew lattice ( skew lattice(rev # 5) | history )
  by Todd Trimble at June 12, 2025 at 20:14:27
• band ( band(rev # 6) | history )
  by p? at June 12, 2025 at 20:14:21
• band ( band(rev # 5) | history )
  by Todd Trimble at June 12, 2025 at 20:07:16
• rectangular band ( rectangular band(rev # 8) | history )
  by p? at June 12, 2025 at 19:31:04
• band ( band(rev # 4) | history )
  by p? at June 12, 2025 at 19:28:22
• Brillouin torus ( Brillouin torus(rev # 7) | history )
  by Urs Schreiber at June 12, 2025 at 19:20:17
• Carsten Timm ( Carsten Timm(rev # 3) | history )
  by Urs Schreiber at June 12, 2025 at 19:20:02
• semigroup ( semigroup(rev # 38) | history )
  by p? at June 12, 2025 at 19:12:37
• skew lattice ( skew lattice(rev # 4) | history )
  by p? at June 12, 2025 at 19:05:00
• skew lattice ( skew lattice(rev # 3) | history )
  by Urs Schreiber at June 12, 2025 at 18:44:46
• field (physics) ( field (physics)(rev # 77) | history )
  by Jesus Lopez? at June 12, 2025 at 18:28:08
• band ( band(rev # 3) | history )
  by Todd Trimble at June 12, 2025 at 18:18:24
• axiom K (type theory) ( axiom K (type theory)(rev # 33) | history )
  by Mark Barbone? at June 12, 2025 at 18:12:23