# Sidney Graham

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{{short description|American mathematician}}
{{Infobox scientist
| name              = Sidney Graham
| image             =
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| birth_date        = August 29, 1950
| birth_place       = Oklahoma, US
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| fields            = [Mathematics](/source/Mathematics)
| workplaces        = [Central Michigan University](/source/Central_Michigan_University), University of Texas-Austin, Michigan Technological University, National Science Foundation
| alma_mater        = [University of Michigan](/source/University_of_Michigan)
| doctoral_advisor  = Hugh Montgomery
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'''Sidney West Graham''' is a mathematician interested in [analytic number theory](/source/analytic_number_theory) and professor at [Central Michigan University](/source/Central_Michigan_University). He received his [Ph.D.](/source/Ph.D.), which was supervised by [Hugh Montgomery](/source/Hugh_Montgomery_(mathematician)), from the [University of Michigan](/source/University_of_Michigan) in 1977.<ref>{{MathGenealogy|id=7249}}</ref> In his Ph.D. thesis he lowered the upper bound for [Linnik's constant](/source/Linnik's_constant) to 36 and subsequently reduced the bound further to 20.<ref>{{citation
 | last = Graham | first = S.
 | issue = 2
 | journal = Acta Arithmetica
 | mr = 639625
 | pages = 163–179
 | title = On Linnik's constant
 | url = https://www.infona.pl/resource/bwmeta1.element.bwnjournal-article-aav39i2p163bwm
 | volume = 39
 | year = 1981| doi = 10.4064/aa-39-2-163-179
 | doi-access = free
 }}.</ref>

==References==
<references/>

==External links==
*[http://people.cst.cmich.edu/graha1sw/ Sidney West Graham page at Central Michigan University]

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{{DEFAULTSORT:Graham, Sidney}}
Category:20th-century American mathematicians
Category:21st-century American mathematicians
Category:American number theorists
Category:University of Michigan alumni
Category:Living people
Category:Central Michigan University faculty
Category:1950 births

{{US-mathematician-stub}}

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Adapted from the Wikipedia article [Sidney Graham](https://en.wikipedia.org/wiki/Sidney_Graham) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Sidney_Graham?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.