User contributions for Mathmensch
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A user with 900 edits. Account created on 23 March 2013.
1 June 2025
- 23:0223:02, 1 June 2025 diff hist +139 Amorphous set No edit summary current
28 March 2025
- 18:2518:25, 28 March 2025 diff hist +13 Malgrange–Ehrenpreis theorem →Proofs: hahn-banach is constructive for separable spaces
15 March 2025
- 17:4217:42, 15 March 2025 diff hist +12 Quantum mechanics →Mathematical formulation: +normalisation of eigenvector
15 January 2025
- 09:4909:49, 15 January 2025 diff hist +8 Louis XIV No edit summary
- 09:4909:49, 15 January 2025 diff hist +368 Talk:Louis XIV →Neutrality: new section Tag: New topic
10 December 2024
- 14:0914:09, 10 December 2024 diff hist −5 m Lucas number →Relationship to Fibonacci numbers: wording Tag: Reverted
6 December 2024
- 13:4213:42, 6 December 2024 diff hist +38 Lucas number →Relationship to Fibonacci numbers: there is no closest integer to 1/2. Tag: Reverted
20 November 2024
- 22:0822:08, 20 November 2024 diff hist +358 User talk:Parejkoj →Quasar: new section Tag: New topic
19 November 2024
- 17:4717:47, 19 November 2024 diff hist +8 m Quasar more precise language Tag: Reverted
- 17:4317:43, 19 November 2024 diff hist +31 Quasar i hope this new rewording is satisfactory, but an object may have a much larger LUMINOSITY than a galaxy (visible output) and yet emit less ENERGY than a galaxy (general output). Tag: Reverted
- 17:4117:41, 19 November 2024 diff hist 0 Quasar the emissions are not powered by the black hole, because the black hole doesn't lose a single bit of energy Tag: Reverted
- 17:3917:39, 19 November 2024 diff hist +405 Talk:Pumping lemma for regular languages →Explanation
18 November 2024
- 18:4118:41, 18 November 2024 diff hist +20 Pumping lemma for regular languages Undid revision 1258174548 by Jochen Burghardt (talk) please see the talk page. try to understand it. Tags: Undo Reverted
- 18:4118:41, 18 November 2024 diff hist +531 Talk:Pumping lemma for regular languages →Explanation: new section Tag: New topic
- 18:3818:38, 18 November 2024 diff hist −15 Quasar Undid revision 1258202710 by Parejkoj (talk) no it isn't. there is a difference between luminocity and emitted energy. i can give you an object that has zero luminocity but emits lots of energy (namely in the INVISIBLE part of the spectrum, to which the human eye is not sensitive) Tags: Undo Reverted
17 November 2024
- 21:3621:36, 17 November 2024 diff hist −15 Quasar 1) the black hole itself doesn't lose energy in the emission process 2) luminocity does not measure energy Tag: Reverted
- 21:3421:34, 17 November 2024 diff hist +20 Pumping lemma for regular languages Undid revision 1258029884 by Jochen Burghardt (talk) take y' = y^k for k arbitrary, then the supposed stronger version is violated. Tags: Undo Reverted
- 14:3214:32, 17 November 2024 diff hist +190 Parse tree fix of the caption
- 14:2714:27, 17 November 2024 diff hist +20 m Pumping lemma for regular languages another clarification Tag: Reverted
- 14:2614:26, 17 November 2024 diff hist +12 Pumping lemma for regular languages unclear language (at best)
14 November 2024
- 13:3413:34, 14 November 2024 diff hist −64 Golden ratio →Calculation: simplification of derivation
10 November 2024
- 11:3611:36, 10 November 2024 diff hist +4 m Alnilam →Nomenclature and history: "al" = "the" in arabic
9 November 2024
- 14:0814:08, 9 November 2024 diff hist +7 m Albireo No edit summary
7 November 2024
- 18:4618:46, 7 November 2024 diff hist −2 m Gamma Cygni →Nomenclature: fixed arabic transliteration
30 October 2024
- 11:2611:26, 30 October 2024 diff hist +29 Gelfand–Naimark theorem →Details: small inaccuracy
- 10:4910:49, 30 October 2024 diff hist +54 Gelfand–Naimark–Segal construction →The GNS construction: some mistakes
15 October 2024
- 15:4115:41, 15 October 2024 diff hist +8 O-type star inside a star the temperatures are usually much higher
12 October 2024
- 12:3012:30, 12 October 2024 diff hist +38 Gaussian integral source see the article on the normal distribution
- 12:2712:27, 12 October 2024 diff hist +122 Normal distribution →Development: +acknowledgement of laplace's priority by gauß
10 October 2024
- 13:4013:40, 10 October 2024 diff hist +55 Wasserstein metric not all probability measures admit a distribution function
3 October 2024
- 18:0018:00, 3 October 2024 diff hist +158 Aristarchus of Samos statement about stars (history of science), aristarchus' support of anaxagoras' argument
- 17:5717:57, 3 October 2024 diff hist +127 Anaxagoras important star statement (history of science)
21 September 2024
- 11:2511:25, 21 September 2024 diff hist +16 David Hilbert →Nullstellensatz
- 11:2511:25, 21 September 2024 diff hist +936 David Hilbert →Contributions to mathematics and physics: +section about the famous "nullstellensatz"
27 August 2024
- 10:4610:46, 27 August 2024 diff hist −23 Arbaat Dam collapse there is no nile within the radius of 40km of port sudan, khartoum is not yet captured
19 July 2024
- 23:1623:16, 19 July 2024 diff hist 0 m Arc length mistake correction
3 July 2024
- 18:4418:44, 3 July 2024 diff hist +457 Talk:Mauritania →The name of the national anthem: new section Tag: New topic
28 June 2024
- 07:4707:47, 28 June 2024 diff hist +101 m Hartogs number the existence of a cardinality usually assumes that the set in question is bijective to at least one ordinal. also, cardinality is totally ordered iff AC.
23 June 2024
- 21:3221:32, 23 June 2024 diff hist +6 m Ramaswamy S. Vaidyanathaswamy grammar current
- 21:3221:32, 23 June 2024 diff hist +139 Ramaswamy S. Vaidyanathaswamy references will follow once I've re-immersed myself into how they are being inserted, but this has to be mentioned
15 June 2024
- 09:4209:42, 15 June 2024 diff hist −18 Dragon curve →Properties: if it is space-filling, it can't also be injective by invariance of dimension
7 June 2024
5 June 2024
- 19:5519:55, 5 June 2024 diff hist +10 Capacitor →Overview: correction; the other conductor may had been charged before Tag: Reverted
10 May 2024
- 09:3909:39, 10 May 2024 diff hist +231 Ultrafilter ultrafilters in boolean algebras are the more general concept Tag: Reverted
4 May 2024
- 17:5417:54, 4 May 2024 diff hist +56 m Uniform Resource Identifier sentence structure
3 May 2024
- 19:5119:51, 3 May 2024 diff hist +7 m Meteoroid No edit summary
26 April 2024
25 April 2024
- 16:2616:26, 25 April 2024 diff hist −61 Operator associativity →Examples: the arrow-up must be right-associative.
8 April 2024
- 11:3311:33, 8 April 2024 diff hist +13 Optical microscope light always comes though the objective lense in an optical microscope. Tag: Reverted
- 10:4010:40, 8 April 2024 diff hist −29 Conjugate focal plane if the star is infinitely far away, then the light from that star would be infinitely faint according to the inverse square law and thus invisible. no sense in observing such an object
