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{{Short description|Mathematics question and answer website}}
'''MathOverflow''' is a [[mathematics]] [[Comparison of Q&A sites|question-and-answer (Q&A) website]], which serves as an [[online community]] of [[mathematician]]s. It allows users to ask questions, submit answers, and rate both, all while getting merit points for their activities.<ref>{{cite news|url=https://www.nytimes.com/2012/01/17/science/open-science-challenges-journal-tradition-with-web-collaboration.html|title=Cracking Open the Scientific Process|first=Thomas|last=Lin|newspaper=[[The New York Times]]|date=January 16, 2012|access-date=June 4, 2019|archive-date=May 10, 2019|archive-url=https://web.archive.org/web/20190510145126/https://www.nytimes.com/2012/01/17/science/open-science-challenges-journal-tradition-with-web-collaboration.html|url-status=live}}</ref> It is a part of the [[Stack Exchange Network]], but distinct from [https://math.stackexchange.com math.stackexchange.com].
 
It is primarily for asking questions on mathematics research – i.e. related to [[List of unsolved problems in mathematics|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|homework exercises]]. It does welcome various questions on other topics that might normally be discussed among mathematicians, for example about [[Academic publishing|publishing]], [[Peer review|refereeing]], [[Doctoral advisor|advising]], getting [[Tenure#Academic_tenure (academic)|tenure]], etc. It is generally inhospitable to questions perceived as tendentious or argumentative.{{citation needed|date=November 2020}}
'''MathOverflow''' is an [[interactive]] [[mathematics]] [[website]], which serves both as a [[collaborative blog]] and an [[online community]] of [[mathematician]]s. It allows users to ask questions, submit answers, and rate both, all while getting merit points for their activities. It is modeled after [[Stack Overflow]], a similar forum for computer programming questions, and uses the [[Stack Overflow#StackExchange|StackExchange]] software engine.
 
== Origin and history ==
It is primarily for asking questions on mathematics research – i.e. related to [[List of unsolved problems in mathematics|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|homework exercises]]. It does welcome various questions on other topics that might normally be discussed among mathematicians, for example about [[Academic publishing|publishing]], [[Peer review|refereeing]], [[Doctoral advisor|advising]], getting [[Tenure#Academic_tenure|tenure]], etc. It is generally inhospitable to questions perceived as tendentious or argumentative.
The website was started by [[University of California, Berkeley|Berkeley]] graduate students and postdocs Anton Geraschenko, David Zureick-Brown, and Kim Morrison on 28 September 2009 based on the idea of Sándor Kovács's NSF CAREER Grant.<ref name=keller/> The hosting was supported by [[Ravi Vakil]].<ref>{{cite news |url = http://www.mercurynews.com/san-jose-neighborhoods/ci_15713739 |newspaper = [[The Mercury News]] |date = August 8, 2010 |title = Stanford and UC Berkeley create massively collaborative math |first = Lisa M. |last = Krieger |access-date = February 21, 2014 |archive-date = March 14, 2016 |archive-url = https://web.archive.org/web/20160314001737/http://www.mercurynews.com/san-jose-neighborhoods/ci_15713739 |url-status = live }}</ref> 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.<ref>{{cite web |title = Math Overflow 2.0 |url = http://aperiodical.com/2013/06/mathoverflow-2-0/ |author = Christian Perfect |work = The Aperiodical |date = 25 June 2013 |access-date = 19 February 2014 |archive-date = 1 July 2013 |archive-url = https://web.archive.org/web/20130701140607/http://aperiodical.com/2013/06/mathoverflow-2-0/ |url-status = live }}</ref>
 
== Origin ==
The website was started by [[UC Berkeley|Berkeley]] graduate students and postdocs Anton Geraschenko, David Zureick-Brown, and Scott Morrison on 28 September 2009.<ref>Jared Keller, [http://www.theatlantic.com/technology/archive/2010/09/beyond-facebook-how-the-worlds-mathematicians-organize-online/63422/ Beyond Facebook: How the World's Mathematicians Organize Online], ''[[The Atlantic]]'', 28 September 2010</ref> The first version of the website did not support [[LaTeX]] markup for mathematical formulas, which was added later. The hosting is supported by [[Ravi Vakil]].<ref>[http://mathoverflow.net/faq#about MathOverflow Frequently Asked Questions].</ref>
 
=== Naming ===
According to MathOverflow FAQ, the proper spelling is "MathOverflow" rather than "Math Overflow".
 
== Use of mathematical formulas ==
== Quotes ==
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.
*[[Terence Tao]] characterized it as "venerable newsgroup ''sci.math'', but with more modern, '[[Web 2.0]]' features."<ref>[http://terrytao.wordpress.com/2009/10/20/math-overflow/ Math Overflow], Terence Tao blog, 20 October, 2009.</ref>
 
*[[John C. Baez]] writes that "website 'Math Overflow' has become a universal clearinghouse for math questions".<ref>[[John C. Baez]], [http://www.ams.org/notices/201003/rtx100300333p.pdf Math Blogs], ''[[Notices of the AMS]]'', March 2010.</ref>
== QuotesUsage ==
*According to [[Gil Kalai]], MathOverflow "is ran [sic] by an energetic and impressive group of very (very very) young people".<ref>[http://gilkalai.wordpress.com/2009/11/12/math-overflow/ Math Overflow], Gil Kalai's blog, November 13, 2009.</ref>
As of April 4, 2012, there were 16,496 registered users on MathOverflow,<ref name=MO>{{official website|http://www.mathoverflow.net}}</ref> 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.<ref>{{cite web |url = http://www.sharenator.com/w/mathoverflow.net |title = Sharenator MO Statistics |url-status = dead |archiveurl = https://archive.today/20120909064947/http://www.sharenator.com/w/mathoverflow.net |archivedate = 2012-09-09 }}</ref> As of June 2019, 123,448 questions have been posted.<ref>{{Cite web|title=Newest Questions|url=https://mathoverflow.net/questions|access-date=2021-03-28|website=MathOverflow|archive-date=2021-03-25|archive-url=https://web.archive.org/web/20210325051914/https://mathoverflow.net/questions|url-status=live}}</ref>
*[[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]].<ref>[http://quomodocumque.wordpress.com/2009/10/17/why-math-overflow-works-and-why-it-might-not/ Why Math Overflow works, and why it might not], Jordan Ellenberg's blog, 17 October, 2009.</ref>
 
*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."<ref>Jared Keller, [http://www.theatlantic.com/technology/archive/2010/09/beyond-facebook-how-the-worlds-mathematicians-organize-online/63422/ Beyond Facebook: How the World's Mathematicians Organize Online], ''[[The Atlantic]]'', September 28, 2010.</ref>
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.<ref>{{cite web |url = http://www.mathcs.emory.edu/~dzb/slides/MO_slides.pdf |author = David Zureick-Brown |title = MathOverflow (presentation slides) |date = 29 March 2011 |access-date = 25 March 2013 |archive-date = 15 January 2015 |archive-url = https://web.archive.org/web/20150115110318/http://www.mathcs.emory.edu/~dzb/slides/MO_slides.pdf |url-status = live }}</ref>
 
== Reception ==
* [[Terence Tao]] characterizedcompared it asto "the venerable newsgroup ''sci.math'', but with more modern, '[[Web 2.0]]' features.".<ref>[{{cite web |url = http://terrytao.wordpress.com/2009/10/20/math-overflow/ |title = Math Overflow], |author = Terence Tao blog,|date = 20 October, 2009 |access-date = 7 October 2011 |archive-date = 30 September 2011 |archive-url = https://web.archive.org/web/20110930181313/http://terrytao.wordpress.com/2009/10/20/math-overflow/ |url-status = live }}</ref>
* [[John C. Baez]] writes that "website 'Math Overflow' has become a universal clearinghouse for math questions".<ref>{{cite web |author = John C. Baez |url = https://www.ams.org/notices/201003/rtx100300333p.pdf |title = Math Blogs |journal = [[Notices of the American Mathematical Society]] |date = March 2010 |author-link = John C. Baez |page = 333 |volume = 57 |issue = 3 |access-date = 2021-04-28 |archive-date = 2021-05-08 |archive-url = https://web.archive.org/web/20210508112359/https://www.ams.org/notices/201003/rtx100300333p.pdf |url-status = live }}</ref>
* According to [[Gil Kalai]], MathOverflow "is ran [{{sic]}} by an energetic and impressive group of very (very very) young people".<ref>[{{cite web |url = http://gilkalai.wordpress.com/2009/11/12/math-overflow/ |title = Math Overflow], |author = Gil Kalai's blog,|date November= 13, November 2009 |access-date = 7 October 2011 |archive-date = 5 October 2011 |archive-url = https://web.archive.org/web/20111005014547/http://gilkalai.wordpress.com/2009/11/12/math-overflow/ |url-status = live }}</ref>
* [[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]].<ref>[{{cite web |url = http://quomodocumque.wordpress.com/2009/10/17/why-math-overflow-works-and-why-it-might-not/ |title = Why Math Overflow works, and why it might not], |author = Jordan Ellenberg's blog,|date = 17 October, 2009 |access-date = 7 October 2011 |archive-date = 2 December 2011 |archive-url = https://web.archive.org/web/20111202053236/http://quomodocumque.wordpress.com/2009/10/17/why-math-overflow-works-and-why-it-might-not/ |url-status = live }}</ref>
* 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 ScottKim 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."<ref name=keller>{{cite magazine |author = Jared Keller, [http|url = https://www.theatlantic.com/technology/archive/2010/09/beyond-facebook-how-the-worlds-mathematicians-organize-online/63422/ |title = Beyond Facebook: How the World's Mathematicians Organize Online], ''|magazine = [[The Atlantic]]'', September|date = 28, September 2010. }}</ref>
 
== See also ==
* [[nLab]]
* [[PhysicsOverflow]]
“One thing that I like to point out in conversation about MO is that putting a question or answer out there without posing it towards some specific person often leads to meaningful interactions with awesome people. Some people start collaborations based on MO questions, but even if you don’t, you get to know a lot of people pretty well, which feels great. Also, there is something about interacting with famous people on MO that humanizes my internal representation of them.” – Anton Geraschenko
 
== Notes ==
{{reflist|30em}}
 
==Further reading==
*{{cite conference
| last1 = Tausczik | first1 = Yla R.
| last2 = Kittur | first2 = Aniket
| last3 = Kraut | first3 = Robert E.
| contribution = Collaborative Problem Solving: A Study of MathOverflow
| doi = 10.1145/2531602.2531690
| isbn = 978-1-4503-2540-0
| ___location = New York, NY, USA
| pages = 355–367
| publisher = ACM
| title = Proceedings of the 17th ACM Conference on Computer Supported Cooperative Work & Social Computing (CSCW '14), Baltimore, Maryland, USA
| year = 2014}}
*{{cite conference
| last1 = Montoya | first1 = Leydi Viviana
| last2 = Ma | first2 = Athen
| last3 = Mondragón | first3 = Raúl J.
| editor1-last = Ghoshal | editor1-first = Gourab
| editor2-last = Poncela-Casasnovas | editor2-first = Julia
| editor3-last = Tolksdorf | editor3-first = Robert
| contribution = Social Achievement and Centrality in MathOverflow
| doi = 10.1007/978-3-642-36844-8_3
| ___location = Berlin and Heidelberg
| pages = 27–38
| publisher = Springer
| title = Complex Networks IV: Proceedings of the 4th Workshop on Complex Networks (CompleNet 2013)
| year = 2013}}
*{{cite conference
| last1 = Martin | first1 = Ursula
| last2 = Pease | first2 = Alison
| editor1-last = Carette | editor1-first = Jacques
| editor2-last = Aspinall | editor2-first = David
| editor3-last = Lange | editor3-first = Christoph
| editor4-last = Sojka | editor4-first = Petr
| editor5-last = Windsteiger | editor5-first = Wolfgang
| contribution = Mathematical Practice, Crowdsourcing, and Social Machines
| doi = 10.1007/978-3-642-39320-4_7
| ___location = Berlin and Heidelberg
| pages = 98–119
| publisher = Springer
| series = Lecture Notes in Computer Science
| title = 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
| volume = 7961
| year = 2013| arxiv = 1305.0900
}}
 
== External links ==
* {{official website}}
* [http://mathoverflow.net/ MathOverflow website]
* {{cite web |url = https://blog.stackoverflow.com/2010/03/podcast-86/ |title = Podcast #86 |date = 23 March 2010 |publisher = Stack Exchange Blog }} — podcast with [[Joel Spolsky]] and [[Jeff Atwood]] (creators of Stack Exchange) and Anton Geraschenko (creator of MathOverflow).
 
{{Fog Creek Software}}
 
[[Category:Mathematics websites]]
[[Category:Community websites]]
[[Category:Internet properties established in 2009]]
[[Category:InternetStack servicesExchange supporting OpenIDnetwork]]