. I will reply on this page, under your post.

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Hi Oleg. Just a heads-up that Mathbot hasn't run in over 24 hours. I'm guessing that this is related to wikitech:News/Toolforge Grid Engine deprecation, for what it's worth. Extraordinary Writ (talk) 06:31, 21 December 2023 (UTC)[reply]

He is inactive for a long time, with fewer than 50 edits last year. Just a random Wikipedian^(talk) 03:20, 23 December 2023 (UTC)[reply]

I will take a look tomorrow. Oleg Alexandrov (talk) 03:35, 23 December 2023 (UTC)[reply]

I migrated the bot to the new way of doing things. Thank you for your note. I will keep an eye on it for a while. Oleg Alexandrov (talk) 20:52, 23 December 2023 (UTC)[reply]

The redirect Integration with other techniques has been listed at redirects for discussion to determine whether its use and function meets the redirect guidelines. Anyone, including you, is welcome to comment on this redirect at Wikipedia:Redirects for discussion/Log/2024 January 31 § Integration with other techniques until a consensus is reached. Steel1943 (talk) 21:04, 31 January 2024 (UTC)[reply]

On the De Moivre Talk page you say:

By De Moivre's formula:

but also

so you get two different answers which is not good.

Why do you think it is not good that there are two square roots. Is it also 'not good' that, for example, 3 has two square roots? Can you please explain why it's not good?37.228.204.111 (talk) 18:01, 5 February 2024 (UTC)[reply]

A discussion is taking place as to whether the article Christmas in the Park (San Jose) is suitable for inclusion in Wikipedia according to Wikipedia's policies and guidelines or whether it should be deleted.

The article will be discussed at Wikipedia:Articles for deletion/Christmas in the Park (San Jose) (2nd nomination) until a consensus is reached, and anyone, including you, is welcome to contribute to the discussion. The nomination will explain the policies and guidelines which are of concern. The discussion focuses on high-quality evidence and our policies and guidelines.

Users may edit the article during the discussion, including to improve the article to address concerns raised in the discussion. However, do not remove the article-for-deletion notice from the top of the article until the discussion has finished.

User:Namiba 15:23, 4 March 2024 (UTC)[reply]

The redirect Hilbert Spaces and Fourier analysis has been listed at redirects for discussion to determine whether its use and function meets the redirect guidelines. Anyone, including you, is welcome to comment on this redirect at Wikipedia:Redirects for discussion/Log/2024 March 28 § Hilbert Spaces and Fourier analysis until a consensus is reached. 1234qwer1234qwer4 01:32, 28 March 2024 (UTC)[reply]

Hello, Oleg Alexandrov. This is a bot-delivered message letting you know that Draft:Hardy-Littlewood constant, a page you created, has not been edited in at least 5 months. Drafts that have not been edited for six months may be deleted, so if you wish to retain the page, please edit it again or request that it be moved to your userspace.

If the page has already been deleted, you can request it be undeleted so you can continue working on it.

Thank you for your submission to Wikipedia. FireflyBot (talk) 14:07, 22 August 2024 (UTC)[reply]

I wiped that page and reinstated the redirect from Hardy-Littlewood constant to what was there before. This was somebody's abandoned scratch work. They can request getting it back if need be. Oleg Alexandrov (talk) 15:58, 22 August 2024 (UTC)[reply]

The redirect Simple zero has been listed at redirects for discussion to determine whether its use and function meets the redirect guidelines. Anyone, including you, is welcome to comment on this redirect at Wikipedia:Redirects for discussion/Log/2024 September 7 § Simple zero until a consensus is reached. 1234qwer1234qwer4 16:20, 7 September 2024 (UTC)[reply]

Hello,

The Wikimedia Foundation is conducting a survey of Wikipedians to better understand what draws administrators to contribute to Wikipedia, and what affects administrator retention. We will use this research to improve experiences for Wikipedians, and address common problems and needs. We have identified you as a good candidate for this research, and would greatly appreciate your participation in this anonymous survey.

You do not have to be an Administrator to participate.

The survey should take around 10-15 minutes to complete. You may read more about the study on its Meta page and view its privacy statement .

Please find our contact on the project Meta page if you have any questions or concerns.

Kind Regards,

WMF Research Team

BGerdemann (WMF) (talk) 19:22, 23 October 2024 (UTC) [reply]

Hello,

I recently invited you to take a survey about administration on Wikipedia. If you haven’t yet had a chance, there is still time to participate– we’d truly appreciate your feedback. The survey is anonymous and should take about 10-15 minutes to complete. You may read more about the study on its Meta page and view its privacy statement.

Take the survey here.

Kind Regards,

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BGerdemann (WMF) (talk) 00:17, 13 November 2024 (UTC) [reply]

Hi - Mathbot does not appear to be updating here: Wikipedia:Articles for deletion/Old or here: Wikipedia:Articles for deletion/Old/Open AfDs. Many thanks, Goldsztajn (talk) 11:33, 26 April 2025 (UTC)[reply]

Hello, Oleg Alexandrov,

I came here as well as Mathbot doesn't seem to be operating any more. It was supposed to create a Wikipedia:Articles for deletion/Log/2025 April 27 several days ago but hasn't done so yet. Thank you. Liz ^{Read! Talk!} 19:04, 26 April 2025 (UTC)[reply]

The redirect Manifold/rewrite has been listed at redirects for discussion to determine whether its use and function meets the redirect guidelines. Anyone, including you, is welcome to comment on this redirect at Wikipedia:Redirects for discussion/Log/2025 April 29 § Manifold/rewrite until a consensus is reached. Duckmather (talk) 02:17, 29 April 2025 (UTC)[reply]

This is a reminder that established policy provides for removal of the administrative permissions of users who have made fewer than 100 edits over a 60-month period. You are receiving this annual reminder since you have averaged less than 50 edits per year over the last 5 years.

Inactive administrators are encouraged to reengage with the project in earnest rather than to make token edits to avoid loss of administrative permissions. Resources and support for reengaging with the project are available at Wikipedia:WikiProject Editor Retention/administrators. If you do not intend to be engaged with the project in the foreseeable future, please consider voluntarily resigning your administrative permissions by making a request at the bureaucrats' noticeboard.

Thank you for your past contributions to the project. — JJMC89 bot 00:19, 1 July 2025 (UTC)[reply]

@JJMC89 bot: It is fine to remove my admin priviledges. Oleg Alexandrov (talk) 00:25, 1 July 2025 (UTC)[reply]

Hello. I didn't see your activity much, your activity decreased before I became active. I always saw Mathbot around though. I hope everything goes well IRL. Thank you for all your contributions. I hope you come around once in a while. —usernamekiran (talk) 07:21, 8 August 2025 (UTC)[reply]

The redirect 56 (game) has been listed at redirects for discussion to determine whether its use and function meets the redirect guidelines. Anyone, including you, is welcome to comment on this redirect at Wikipedia:Redirects for discussion/Log/2025 November 12 § 56 (game) until a consensus is reached. ArthananWarcraft (talk) 16:56, 12 November 2025 (UTC)[reply]

Oleg, I used GeoGebra, for the given curve equation displayed on the Wikipedia page, for the Devil' Curve, using a = 0.8 and b = 1, the curve created, was the same as yours, but rotated 90 degrees clockwise, in other words, the 'hour-glass' is actually, horizontal not vertical. Regards Mike. ~2025-33446-70 (talk) 08:05, 16 November 2025 (UTC)[reply]

The article L-series trains has been proposed for deletion because of the following concern:

Unsourced article; only non Wikipedia-copy source I could find was a passing mention. Topic likely fails notability.

You may prevent the proposed deletion by removing the {{proposed deletion/dated}} notice, but please explain why in your edit summary or on the article's talk page.

Please consider improving the page to address the issues raised. Removing {{proposed deletion/dated}} will stop the proposed deletion process, but other deletion processes exist. In particular, articles for deletion allows discussion to reach consensus for deletion based on established criteria.

If the proposed deletion has already been carried out, you may request undeletion of the article at any time.

This is an automated notification. Please refer to the page's history for further information. DatBot (talk) 00:30, 3 December 2025 (UTC)[reply]

Hey @Oleg Alexandrov. Your wiki edit anniversary was 1 day ago, marking 21 years of dedicated contributions to English Wikipedia. Your passion for sharing knowledge and your remarkable contributions have not only enriched the project, but also inspired countless others to contribute. Thank you for your amazing contributions. Wishing you many more wonderful years ahead in the Wiki journey. :) -❙❚❚❙❙ GnOeee ❚❙❚❙❙ ✉ 08:06, 17 December 2025 (UTC)[reply]

Hi Oleg, so there's now a new speedy deletion criterion, CSD U6, which allows deletion of user pages over six months old by editors who've made no edits outside their userspace. An ancient bot page of yours, User:Arb stat bot/testbot got caught up in this criterion, and there's a discussion about whether it should be exempted. Your input would be appreciated, if you have time. Graham87 (talk) 15:04, 21 December 2025 (UTC)[reply]

Thanks. Responded there. Oleg Alexandrov (talk) 16:49, 21 December 2025 (UTC)[reply]

Hi, it seems like here the bot didn’t realise Wikipedia:Articles for deletion/2026 Smart Air Cessna 208 crash was closed as it was redirected. Probably nothing you can do about it and it is a very rare issue anyway but I put it up here anyway in case you could do something about it. FantasticWikiUser_{(Ts and Cs)} 16:13, 9 February 2026 (UTC)[reply]

Thank you for your note. Let us hope it is a rare issue. Maybe something about formatting confused it. Oleg Alexandrov (talk) 16:20, 9 February 2026 (UTC)[reply]

It reverted my edit. I hope I don’t have to edit war with the bot. FantasticWikiUser_{(Ts and Cs)} 19:56, 9 February 2026 (UTC)[reply]

I think it will fight you back. Sorry. I don't have time to look at this for the moment. Maybe one can see what trips it up in the original page, maybe the formatting is not standard. Or you can wipe the whole entry for that day as it appears to be empty. Oleg Alexandrov (talk) 20:00, 9 February 2026 (UTC)[reply]