User contributions for Mathieu Perrin

24 February 2025

• 16:2416:24, 24 February 2025 diff hist +113 Talk:Active and passive transformation →Basis and isomorphism current
• 16:1816:18, 24 February 2025 diff hist +286 Active and passive transformation →As left- and right-actions: Exchanging the role of V and K^n as discussed in the talk page. current

17 February 2025

• 11:3311:33, 17 February 2025 diff hist +1,732 Talk:Active and passive transformation →Basis and isomorphism: new section Tag: New topic

16 February 2025

• 11:5711:57, 16 February 2025 diff hist +218 Covariance and contravariance of vectors →Definition: Adding a small precision

13 December 2023

• 14:2114:21, 13 December 2023 diff hist +32 Entropy as an arrow of time →Correlations: Clarifying which experiment we are talking about.

8 December 2023

• 17:0217:02, 8 December 2023 diff hist +26 m Electrowetting →History: wikification

25 September 2023

• 15:3515:35, 25 September 2023 diff hist +1 m Time Reborn →Reception: formatting of the quote

21 August 2023

• 13:4213:42, 21 August 2023 diff hist +1 m Chin people Typos in the infobox: spaces and grouping of figures

4 May 2023

• 10:4710:47, 4 May 2023 diff hist +187 Struggle session →History: image inserted
• 10:4110:41, 4 May 2023 diff hist +143 Red August →The end of the massacre: Image insertion

10 March 2023

• 18:0818:08, 10 March 2023 diff hist 0 Stabilizer code Moving the example closer to the definition. I cannot move it further up because it needs the notions of error and syndrome which are defined in the above paragraph.

28 February 2023

• 12:4712:47, 28 February 2023 diff hist +57 m Demographics of Kosovo →Migration: wikification

7 September 2022

• 09:5009:50, 7 September 2022 diff hist +17 m Thermoacoustics Cleaning the references
• 09:2909:29, 7 September 2022 diff hist +466 Thermoacoustics →Sound: Explaining why the theory is based on the adiabatic approximation of the fluid

17 March 2022

• 14:2114:21, 17 March 2022 diff hist +242 Aerosol →Effects: The previous assertion seems overstated and in contradiction with the recent GIEC report. One should read the given ref to clarify.

4 February 2022

• 01:2401:24, 4 February 2022 diff hist +511 Oscillator strength →Theory: Giving some additionnal useful formulas
• 00:5700:57, 4 February 2022 diff hist +28 m Rydberg constant →Alternative expressions

22 July 2021

• 15:4615:46, 22 July 2021 diff hist +906 Heat engine →Endo-reversible heat-engines: Expanding on the endothermal efficiency

18 March 2021

• 10:1610:16, 18 March 2021 diff hist +245 m Ashin Wirathu →Activities after the ban of the 969 movement: adding on previous modification
• 09:5909:59, 18 March 2021 diff hist +1,370 Ashin Wirathu sectionning and historical context

17 March 2021

• 18:1418:14, 17 March 2021 diff hist −79 m Ashin Wirathu →Arrest: Merged my previous modification with existing sentence
• 18:0918:09, 17 March 2021 diff hist +574 Talk:Ashin Wirathu →Misplaced irony?: new section
• 17:5917:59, 17 March 2021 diff hist +463 Ashin Wirathu →Arrest: source for surrender

11 February 2021

• 10:1610:16, 11 February 2021 diff hist +235 Bear spray →Legality: Adding a source and removing the 'citation needed' template. Maybe a better source exists.

12 March 2020

• 16:0516:05, 12 March 2020 diff hist +1,191 Fluorocarbon →Environmental and health concerns: GWP for a few gases

3 March 2020

• 14:0514:05, 3 March 2020 diff hist +21 m Cauchy principal value →More general definitions: The reciprocal is also true.
• 13:1913:19, 3 March 2020 diff hist +1,085 Talk:Sign function Explanation for sign change in the Fourier transform
• 12:5012:50, 3 March 2020 diff hist +1 Sign function →Properties: minus sign missing in the Fourier transform

2 February 2020

• 09:5509:55, 2 February 2020 diff hist +9 Transmittance →Beer–Lambert law: In the Beer-Lambert law, no reflection is considered, so internal transmittance

10 January 2020

• 09:4009:40, 10 January 2020 diff hist +316 m Extreme ultraviolet lithography More recent reference on pricing

4 November 2019

• 09:3009:30, 4 November 2019 diff hist +4 m Topological order →Mathematical Foundation: Wikification

24 May 2018

• 09:0809:08, 24 May 2018 diff hist +32 m Standard cubic centimetres per minute wikification: link toward standard conditions

27 September 2016

• 09:3009:30, 27 September 2016 diff hist +104 Singular homology →Singular simplices: A small image to be less abstract

30 August 2016

• 08:5508:55, 30 August 2016 diff hist +171 m Electric displacement field →Example: Displacement field in a capacitor: stress what remains constant in this reasoning

19 August 2016

• 11:2911:29, 19 August 2016 diff hist −138 Electric susceptibility →Definition of volume susceptibility: Removing the sentence as this is already explained further
• 11:2211:22, 19 August 2016 diff hist +1,560 Electric susceptibility →Molecular polarizability: Link to Clausius Mossotti and explanation of definition problem

11 July 2016

• 11:5311:53, 11 July 2016 diff hist +1,084 Multiphoton intrapulse interference phase scan Introduction rewritten and hopefully better detailed. Removed the "context" template.

8 July 2016

• 12:2812:28, 8 July 2016 diff hist +1 m Multiphoton intrapulse interference phase scan →External links: broken link correction

5 April 2016

• 13:3013:30, 5 April 2016 diff hist +54 m Differential amplifier →Biasing: internal link

6 November 2015

• 10:3410:34, 6 November 2015 diff hist 0 m Barium titanate →Uses: further correction
• 10:2710:27, 6 November 2015 diff hist +4 m Barium titanate →Uses: correcting the reference
• 10:2510:25, 6 November 2015 diff hist +1,630 Barium titanate →Uses: The data from the reference were too old. Sorry about the reference in French...
• 08:4508:45, 6 November 2015 diff hist +62 m Curie temperature style: more precise in the introduction

12 May 2015

• 14:3514:35, 12 May 2015 diff hist 0 m Exponential search →Performance: Wrong parenthesis position

26 September 2014

• 09:2409:24, 26 September 2014 diff hist +983 Talk:Square wave (waveform) →Please fix the following issues: new section

18 April 2014

• 14:1414:14, 18 April 2014 diff hist +29 m Equation of state (cosmology) →FLRW equations and the equation of state: wikification

10 February 2014

• 09:3609:36, 10 February 2014 diff hist +358 User talk:Headbomb →g-factor: new section

20 November 2012

• 10:1010:10, 20 November 2012 diff hist +10 m Dynamical system →Flows: recalling what is phi(x)

12 November 2012

• 16:0816:08, 12 November 2012 diff hist −1 m Autler–Townes effect typo

13 September 2012

• 13:2713:27, 13 September 2012 diff hist +289 Haynes–Shockley experiment reference update