User contributions for John Baez
A user with 2,232 edits. Account created on 10 April 2005.
1 May 2024
- 17:3917:39, 1 May 2024 diff hist +860 Division algebra added note on algebras where every nonzero has a left inverse and right inverse that agree, and how these differ from division algebras current
25 April 2024
- 10:3310:33, 25 April 2024 diff hist +238 Dual abelian variety Added explanation of why duality is more interesting in dimension > 1. current
- 10:2010:20, 25 April 2024 diff hist −1 m Abelian variety →Dual abelian variety: reordered sentence to avoid misimpression that the isomorphism between V and its double dual is contravariant - there was an ambiguous "it". current
24 April 2024
- 18:4018:40, 24 April 2024 diff hist +28 Abelian variety →Polarisations over the complex numbers
- 15:0115:01, 24 April 2024 diff hist +58 Abelian variety →Polarisations over the complex numbers
21 April 2024
- 08:4708:47, 21 April 2024 diff hist −15 A¹ homotopy theory →Step 0 current
13 April 2024
- 00:0700:07, 13 April 2024 diff hist 0 m Lefschetz theorem on (1,1)-classes No edit summary current
- 00:0600:06, 13 April 2024 diff hist +79 Lefschetz theorem on (1,1)-classes →Proof using sheaf cohomology: fixed "it suffices to show that <math>i_*</math> is zero" - it's just zero on a certain subgroup.
10 April 2024
- 23:2523:25, 10 April 2024 diff hist +595 Fontaine–Mazur conjecture Added a statement of one of Fontaine and Mazur's main conjectures. We should add links to technical terms here. current
- 22:2822:28, 10 April 2024 diff hist −3 Fontaine–Mazur conjecture changed "were already proved" to "have been proved" - the former, in context, wrongly suggests they were proved before the work of Fontaine and Mazur.work o
2 April 2024
- 15:2715:27, 2 April 2024 diff hist +5 Koszul algebra No edit summary current
- 15:2615:26, 2 April 2024 diff hist +53 m Koszul algebra No edit summary
- 15:2315:23, 2 April 2024 diff hist +248 Quadratic algebra →Examples: added Clifford algebra and Weyl algebra as examples of filtered quadratic algebras. current
31 March 2024
- 05:5705:57, 31 March 2024 diff hist +288 P-adic number →Algebraic closure: added explanation of why C and C_p are isomorphic as ring, in a footnote
30 March 2024
- 17:1917:19, 30 March 2024 diff hist +195 Riemann form added connection to abelian varieties; could be improved current
29 March 2024
- 16:0216:02, 29 March 2024 diff hist −123 m P-adic number →Multiplicative group: changed formatting of Q_p to match earlier parts of the article: \mathbb rather than \mathbf
- 15:5615:56, 29 March 2024 diff hist −200 m P-adic number →Algebraic closure: Changed format of Q, R, C to match that in the earlier part of the article: \mathbb rather than \mathbf
22 March 2024
- 21:0421:04, 22 March 2024 diff hist +42 Local zeta function changed variable u in the first part of the article to t, so as to match the rest of the article current
21 March 2024
- 23:4223:42, 21 March 2024 diff hist +83 Local zeta function →Formulation
- 23:4023:40, 21 March 2024 diff hist 0 Local zeta function The field extension of degree m at the top of the page turned into the extension of degree k at the bottom; I changed them all to k.
20 March 2024
- 16:2916:29, 20 March 2024 diff hist +7 m Hasse–Weil zeta function →Elliptic curves over Q
- 06:2406:24, 20 March 2024 diff hist −1 m Artin L-function →Definition current
13 March 2024
- 06:4706:47, 13 March 2024 diff hist +60 Hasse–Weil zeta function →Elliptic curves over Q: added link to what might be the best page on discriminant of an elliptic curve - not sure it's the best
- 06:2506:25, 13 March 2024 diff hist 0 Hasse–Weil zeta function →Elliptic curves over Q: p^{1-2s} looks better than pp^{-2s}, and I checked - it's correct.
8 March 2024
- 23:2123:21, 8 March 2024 diff hist +66 Supersingular prime (moonshine theory) added link to another page on a different kind of "supersingular prime" current
- 23:2023:20, 8 March 2024 diff hist +59 Supersingular prime (algebraic number theory) added link to another page on a different kind of "supersingular prime" current
- 21:5421:54, 8 March 2024 diff hist +217 Talk:Riemann hypothesis A bunch of junk has been added to the page "Riemann Hypothesis"
7 March 2024
3 March 2024
- 20:2620:26, 3 March 2024 diff hist +74 Nakayama's lemma →Proof: at the end of the proof of Nakayama's Lemma, I reminded the reader what we were aiming to prove. current
2 March 2024
- 00:1700:17, 2 March 2024 diff hist −7 m Carnivorous plant →Ecology and modeling of carnivory: fixed grammar of "and hence growing less well".
26 February 2024
- 07:0107:01, 26 February 2024 diff hist +2 m Friedrich Wilhelm Marpurg →Works current
23 February 2024
- 00:4800:48, 23 February 2024 diff hist −183 Pycard No edit summary
- 00:4000:40, 23 February 2024 diff hist +683 Pycard I'm probably not citing Taruskin correctly the second time: something like "loc cit" would be better.
22 February 2024
- 02:3302:33, 22 February 2024 diff hist −28 Peterhouse partbooks →Modern recordings and reconstructions: updated the information, minimally: Blue Heron's 5-CD set of the Peterhouse Partbooks is out now! Perhaps should update references? current
- 01:5401:54, 22 February 2024 diff hist +30 Nicholas Ludford No edit summary
- 01:5201:52, 22 February 2024 diff hist +66 Nicholas Ludford Link to "Peterhouse partbooks" and comment that these were rediscovered only in 1850 (see article linked to).
- 01:5001:50, 22 February 2024 diff hist +4 Nicholas Ludford No edit summary
18 February 2024
- 08:1808:18, 18 February 2024 diff hist +12 Kirnberger temperament The first sentence should not mislead us into thinking there is just one Kirnberger temperament.
17 February 2024
- 07:4007:40, 17 February 2024 diff hist +11 Nicholas Ludford It's better to specify the birth and death of Fayrfax and Taverner than give an unclear range of dates as the " gap between the music of Robert Fayrfax and that of John Taverner".
5 February 2024
- 06:1106:11, 5 February 2024 diff hist −2 Talk:Werckmeister temperament →Numbering system current
- 06:1106:11, 5 February 2024 diff hist +1 Talk:Werckmeister temperament →Numbering system
- 06:1006:10, 5 February 2024 diff hist +446 Talk:Werckmeister temperament →Numbering system: Reply Tag: Reply
30 January 2024
- 16:4216:42, 30 January 2024 diff hist −1 m Johann Kirnberger No edit summary current
17 January 2024
- 00:4900:49, 17 January 2024 diff hist +21 Sangam period →Culture
- 00:4800:48, 17 January 2024 diff hist −51 Sangam period →See also
- 00:4800:48, 17 January 2024 diff hist +24 Sangam period →Culture
- 00:4700:47, 17 January 2024 diff hist −40 Sangam period →See also
- 00:4600:46, 17 January 2024 diff hist +25 Sangam period →See also
16 January 2024
- 06:5506:55, 16 January 2024 diff hist −7 Graha bhedam →See also current
- 06:5506:55, 16 January 2024 diff hist −26 Graha bhedam →Janya rāgams
