MathOverflow is a mathematics question-and-answer (Q&A) website, which serves as an online community of mathematicians. It allows users to ask questions, submit answers, and rate both, all while getting merit points for their activities.[1] It is a part of the Stack Exchange Network.

It is primarily for asking questions on mathematics research – i.e. related to unsolved problems and the extension of knowledge of mathematics into areas that are not yet known – and does not welcome requests from non-mathematicians for instruction, for example homework exercises. It does welcome various questions on other topics that might normally be discussed among mathematicians, for example about publishing, refereeing, advising, getting tenure, etc. It is generally inhospitable to questions perceived as tendentious or argumentative.

Origin and history

The website was started by Berkeley graduate students and postdocs Anton Geraschenko, David Zureick-Brown, and Scott Morrison on 28 September 2009.[2] The hosting was supported by Ravi Vakil.[3] The site originally ran on a separate installation of the StackExchange 1.0 software engine; on June 25, 2013, it was integrated in the regular Stack Exchange Network, running SE 2.0.[4]

According to MathOverflow FAQ, the proper spelling is "MathOverflow" rather than "Math Overflow".
Use of mathematical formulas

The original version of the website did not support LaTeX markup for mathematical formulas. To support most of the functionality of LaTeX, MathJax was added in order for the site to transform math equations into their appropriate forms. In its current state, any post including "Math Mode" (text between $'s) will translate into proper mathematical notation.

As of April 4, 2012, there were 16,496 registered users on MathOverflow,[5] most of whom were located in the United States (35%), India (12%), and the United Kingdom (6%). By December 11, 2018, the number of registered users had grown to 87,850.[6] As of June 2019, 103,308 questions have been posted.

In 2011, questions were answered an average of 3.9 hours after they were posted, and "Acceptable" answers took an average of 5.01 hours.[7]

Terence Tao compared it to "the venerable newsgroup sci.math, but with more modern, 'Web 2.0' features."[8]
John C. Baez writes that "website 'Math Overflow' has become a universal clearinghouse for math questions".[9]
According to Gil Kalai, MathOverflow "is ran [sic] by an energetic and impressive group of very (very very) young people".[10]
Jordan Ellenberg comments that the website "offers a constantly changing array of new questions" and is "addictive" in a "particularly pure form", as he compares it to the Polymath Project.[11]
Jared Keller in The Atlantic writes, "Math Overflow is almost an anti-social network, focused solely on productively addressing the problems posed by its users." He quotes Scott Morrison saying "Mathematicians as a whole are surprisingly skeptical of many aspects of the modern Internet... In particular, things like Facebook, Twitter, etc. are viewed as enormous wastes of time."[2]

See also



Lin, Thomas (January 16, 2012). "Cracking Open the Scientific Process". The New York Times.
Jared Keller (28 September 2010). "Beyond Facebook: How the World's Mathematicians Organize Online". The Atlantic.
Krieger, Lisa M. (August 8, 2010). "Stanford and UC Berkeley create massively collaborative math". The Mercury News.
Christian Perfect (25 June 2013). "Math Overflow 2.0". The Aperiodical.
Official website
"Sharenator MO Statistics". Archived from the original on 2012-09-09.
David Zureick-Brown (29 March 2011). "MathOverflow (presentation slides)" (PDF).
Terence Tao (20 October 2009). "Math Overflow".
John C. Baez (March 2010). "Math Blogs" (PDF). Notices of the American Mathematical Society. p. 333.
Gil Kalai (13 November 2009). "Math Overflow".

Jordan Ellenberg (17 October 2009). "Why Math Overflow works, and why it might not".

Further reading

Tausczik, Yla R.; Kittur, Aniket; Kraut, Robert E. (2014). "Collaborative Problem Solving: A Study of MathOverflow". Proceedings of the 17th ACM Conference on Computer Supported Cooperative Work & Social Computing (CSCW '14), Baltimore, Maryland, USA. New York, NY, USA: ACM. pp. 355–367. doi:10.1145/2531602.2531690. ISBN 978-1-4503-2540-0.
Montoya, Leydi Viviana; Ma, Athen; Mondragón, Raúl J. (2013). "Social Achievement and Centrality in MathOverflow". In Ghoshal, Gourab; Poncela-Casasnovas, Julia; Tolksdorf, Robert (eds.). Complex Networks IV: Proceedings of the 4th Workshop on Complex Networks (CompleNet 2013). Berlin and Heidelberg: Springer. pp. 27–38. doi:10.1007/978-3-642-36844-8_3.
Martin, Ursula; Pease, Alison (2013). "Mathematical Practice, Crowdsourcing, and Social Machines". In Carette, Jacques; Aspinall, David; Lange, Christoph; Sojka, Petr; Windsteiger, Wolfgang (eds.). Intelligent Computer Mathematics: MKM, Calculemus, DML, and Systems and Projects 2013, Held as Part of the International Conference on Intelligent Computer Mathematics (CICM 2013), Bath, UK, July 8-12, 2013, Proceedings. Lecture Notes in Computer Science. 7961. Berlin and Heidelberg: Springer. pp. 98–119. arXiv:1305.0900. doi:10.1007/978-3-642-39320-4_7.

External links

Official website Edit this at Wikidata
"Podcast #86". Stack Exchange Blog. 23 March 2010. — podcast with Joel Spolsky and Jeff Atwood (creators of Stack Exchange) and Anton Geraschenko (creator of MathOverflow).

Mathematics Encyclopedia



Hellenica World - Scientific Library

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