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{{Use mdy dates|date=October 2023}}
{{short description|American mathematician}}
{{ Infobox scientist
{{ Infobox scientist
| name = Bjorn Poonen
| name = Bjorn Poonen
| image = Bjorn Poonen.jpg
| image = Bjorn Poonen.jpg
| image_size =
| image_size =
| caption =
| caption = Poonen at [[Mathematical Research Institute of Oberwolfach|Oberwolfach]] in 2011
| birth_date = c. {{birth year and age|1968}}
| birth_date = {{birth date and age|1968|07|27}}
| birth_place = [[Boston, Massachusetts]]
| birth_place = [[Boston]], Massachusetts
| death_date =
| death_date =
| death_place =
| death_place =
| nationality = {{flag|United States}}
| nationality =
| fields = [[Mathematics]]
| fields = Mathematics
| workplaces = [[Massachusetts Institute of Technology]]
| workplaces = [[Massachusetts Institute of Technology|MIT]]
| alma_mater = [[University of California, Berkeley]]<br>[[Harvard University]]
| alma_mater = [[University of California, Berkeley]]<br>[[Harvard University]]
| thesis_title = The Mordell-Weil theorem, rigidity, and pairings for Drinfeld modules
| thesis_year = 1994
| doctoral_advisor = [[Kenneth Alan Ribet]]
| doctoral_advisor = [[Kenneth Alan Ribet]]
| doctoral_students =
| doctoral_students = {{Plainlist|
* [[Kirsten Eisenträger]]
* [[William A. Stein]]
* [[Bianca Viray]]
⚫
}}
| known_for =
| known_for =
| awards =
| awards = {{Plainlist|
* [[Chauvenet Prize]] (2011)
* Fellow, [[American Mathematical Society]] (2012)
* Fellow, [[American Academy of Arts and Sciences]] (2012)
* [[Doob Prize]] (2023)
}}
| website = {{URL|https://math.mit.edu/~poonen/}}
}}
}}
'''Bjorn Mikhail Poonen''' is a mathematician, four-time [[William Lowell Putnam Mathematical Competition|Putnam Competition]] winner and currently the [[Claude Shannon]] Professor of Mathematics at [[MIT]].<ref>[http://math.mit.edu/people/directory?s=f MIT Mathematics Faculty]</ref>
'''Bjorn Mikhail Poonen''' (born July 27, 1968, in [[Boston]], Massachusetts) is a mathematician, four-time [[William Lowell Putnam Mathematical Competition|Putnam Competition]] winner, and a Distinguished Professor in Science in the Department of Mathematics at the [[Massachusetts Institute of Technology]].<ref name="MIT Mathematics m059">{{cite web | title=Profile | website=MIT Mathematics | url=https://math.mit.edu/directory/profile.html?pid=213 | access-date=October 14, 2023}}</ref>
His research is primarily in [[number theory]] and [[algebraic geometry]], but he has occasionally published in other subjects such as [[probability]]<ref>Amir Dembo, Qi-Man Shao, Bjorn Poonen, and Ofer Zeitouni, "Random polynomials with few or no real zeros", ''J. Amer. Math. Soc.'' '''15''' (2002), 857-892.</ref> and [[computer science]].<ref>Bjorn Poonen, "The worst case in Shellsort and related algorithms", ''J. Algorithms'' '''15''' (1993), 101-124.</ref>
His research is primarily in [[arithmetic geometry]], but he has occasionally published in other subjects such as [[probability]]<ref>Amir Dembo, Qi-Man Shao, Bjorn Poonen, and Ofer Zeitouni, "Random polynomials with few or no real zeros", ''[[Journal of the American Mathematical Society]]'' '''15''' (2002), 857–892.</ref> and [[computer science]].<ref name="Poonen 1993 pp. 101–124">{{cite journal | last=Poonen | first=Bjorn | title=The Worst Case in Shellsort and Related Algorithms | journal=Journal of Algorithms | publisher=Elsevier BV | volume=15 | issue=1 | year=1993 | issn=0196-6774 | doi=10.1006/jagm.1993.1032 | pages=101–124| citeseerx=10.1.1.138.295 }}</ref>
He has edited two books,<ref>Kiran Kedlaya, Bjorn Poonen, and Ravi Vakil, [https://www.maa.org/reviews/brief_mar03.html ''The William Lowell Putnam Mathematical Competition 1985-2000: Problems, Solutions, and Commentary''], [[Mathematical Association of America|Math. Assoc. of America]], 2002.</ref><ref>Bjorn Poonen and Yuri Tschinkel (eds.), [http://www.springer.com/birkhauser/mathematics/book/978-0-8176-3259-5 ''Arithmetic of Higher-Dimensional Algebraic Varieties''], [[Progress in Mathematics|Progress in Math.]] '''226''', [[Birkhäuser Verlag]], 2004.</ref>
He has edited two books.<ref name="Kedlaya Poonen Vakil 2011 p. ">{{cite book | last1=Kedlaya | first1=Kiran S. | last2=Poonen | first2=Bjorn | last3=Vakil | first3=Ravi | title=The William Lowell Putnam Mathematical Competition 1985–2000 | publisher=Mathematical Association of America | date=March 24, 2011 | isbn=978-0-88385-827-1 | page=}}</ref><ref name="Birkhäuser Boston 2004 p. ">{{cite book | title=Progress in Mathematics | chapter=Arithmetic of Higher-Dimensional Algebraic Varieties | publisher=Birkhäuser Boston | publication-place=Boston, MA | year=2004 | volume=226 | isbn=978-1-4612-6471-2 | issn=0743-1643 | doi=10.1007/978-0-8176-8170-8 | page=}}</ref>
and his research articles have been cited by approximately 500 distinct authors.<ref>[http://www.ams.org/mathscinet/mrcit/individual.html?mrauthid=250625 MathSciNet author citations]</ref>
He is the founding managing editor of the journal ''[[Algebra & Number Theory]]'',<ref>[http://jant.org ''Algebra & Number Theory'']</ref> and serves also on the editorial boards of ''[[Involve, a Journal of Mathematics|Involve]]''<ref>[http://www.involvemath.org/ ''Involve''] (mathematics journal)</ref> and the ''[[A K Peters]] Research Notes in Mathematics'' book series{{citation needed|date=March 2008}}.
He is the founding managing editor of the journal ''[[Algebra & Number Theory]]'',<ref name="MSP 2005 b590">{{cite web | title=Algebra & Number Theory | website=MSP | date=May 2, 2005 | url=https://msp.org/ant/about/journal/editorial.html | access-date=October 14, 2023}}</ref> and serves also on the editorial boards of ''[[Involve: A Journal of Mathematics]]''<ref name="msp.org 2007 x371">{{cite web | title=Involve | website=msp.org | date=May 2, 2007 | url=https://msp.org/involve/about/journal/editorial.html | access-date=October 14, 2023}}</ref> and the ''[[A K Peters]] Research Notes in Mathematics'' book series.<ref name="cv">[http://www-math.mit.edu/~poonen/papers/cv.pdf Curriculum vitae], retrieved January 28, 2015.</ref>


==Education==
==Education==
In 1989, Poonen graduated from [[Harvard]] with an A.B. in Mathematics and Physics, ''summa cum laude''.{{citation needed|date=March 2008}}
Poonen is a 1985 alumnus of [[Winchester High School (Massachusetts)|Winchester High School]] in [[Winchester, Massachusetts]]. In 1989, Poonen graduated from [[Harvard University]] with an [[A.B.]] in Mathematics and Physics, summa cum laude. He then studied under [[Kenneth Alan Ribet]] at the [[University of California, Berkeley]], completing a PhD there in 1994.<ref>{{MathGenealogy|32425}}</ref>
He then studied under [[Kenneth Alan Ribet]] at the [[University of California, Berkeley]],
completing a Ph.D. there in 1994.<ref>{{MathGenealogy|32425}}</ref>


==Academic positions==
==Academic positions==
Poonen held postdoctoral positions at [[MSRI]] and [[Princeton University]] and served on the faculty of the [[University of California, Berkeley]] from 1997 to 2008, before moving to [[MIT]].{{citation needed|date=March 2008}}
Poonen held postdoctoral positions at [[Mathematical Sciences Research Institute]] and [[Princeton University]] and served on the faculty of the [[University of California, Berkeley]] from 1997 to 2008, before moving to [[Massachusetts Institute of Technology|MIT]].<ref name="cv"/>
He has also held visiting positions at the [[Isaac Newton Institute]] (1998 and 2005), the [[Paris-Sud 11 University|Université Paris-Sud]] (2001), [[Harvard University]] (2007), and [[MIT]] (2007).{{citation needed|date=March 2008}}
He has also held visiting positions at the [[Isaac Newton Institute]] (1998 and 2005), the [[Paris-Sud 11 University|Université Paris-Sud]] (2001), Harvard (2007), and MIT (2007).<ref name="cv"/>


==Major honors and awards==
==Major honors and awards==
* [[Joseph L. Doob Prize]], 2023<ref name="American Mathematical Society 2018 t179">{{cite web | title=Joseph L. Doob Prize | website=American Mathematical Society | date=November 26, 2018 | url=http://www.ams.org/prizes-awards/paview.cgi?parent_id=21 | access-date=October 14, 2023}}</ref>
* Fellow of the [[American Mathematical Society]], 2012.<ref>[http://www.ams.org/profession/fellows-list List of Fellows of the American Mathematical Society], retrieved 2013-05-26.</ref>
* Fellow of the [[American Mathematical Society]], 2012.<ref name="American Mathematical Society 2018 u222">{{cite web | title=Fellows of the American Mathematical Society | website=American Mathematical Society | date=November 26, 2018 | url=https://www.ams.org/cgi-bin/fellows/fellows.cgi | access-date=October 14, 2023}}</ref>
* [[American Academy of Arts and Sciences]]: elected in 2012<ref>[http://www.amacad.org/members.aspx American Academy of Arts and Sciences members]</ref>
* [[American Academy of Arts and Sciences]]: elected in 2012<ref>{{Cite web|url=http://www.amacad.org/members.aspx|title=American Academy of Arts & Sciences|website=www.amacad.org|access-date=October 23, 2016}}</ref>
* [[Chauvenet Prize]]: the 2011 winner, for his article "Undecidability in number theory"<ref>[http://mathdl.maa.org/mathDL/22/?pa=content&sa=viewDocument&nodeId=1604 Chauvenet Prize]</ref>
* [[Chauvenet Prize]]: the 2011 winner, for his article "Undecidability in number theory"<ref>{{Cite web|url=http://mathdl.maa.org/mathDL/22/?pa=content&sa=viewDocument&nodeId=1604|title=Chauvenet Prizes {{!}} Mathematical Association of America|website=mathdl.maa.org|access-date=October 23, 2016}}</ref><ref name="Undecidability">{{citation|last=Poonen|first=Bjorn|title=Undecidability in Number Theory|journal=Notices of the American Mathematical Society|date=March 2008|pages=344–350|url=https://www.ams.org/notices/200803/tx080300344p.pdf}}</ref>
⚫
* [[David and Lucile Packard Foundation|David and Lucile Packard Fellowship]]<ref>[http://www.cs.virginia.edu/packard/directory/field/mathematics.html Packard fellows in mathematics]</ref>
* [[Miller Institute|Miller]] Research Professorship – University of California Berkeley.
⚫
* [[David and Lucile Packard Foundation|David and Lucile Packard Fellowship]]<ref>[http://www.cs.virginia.edu/packard/directory/field/mathematics.html Packard fellows in mathematics] {{webarchive |url=https://web.archive.org/web/20080415174638/http://www.cs.virginia.edu/packard/directory/field/mathematics.html |date=April 15, 2008 }}</ref>
* [[Sloan Fellowship|Sloan Research Fellowship]]<ref>''[[Notices of the American Mathematical Society|Notices Amer. Math. Soc.]]'' '''45''', no. 6, (June–July 1998), p. 723.</ref>
* [[Sloan Fellowship|Sloan Research Fellowship]]<ref>''[[Notices of the American Mathematical Society|Notices Amer. Math. Soc.]]'' '''45''', no. 6, (June–July 1998), p. 723.</ref>
* [[William Lowell Putnam Mathematical Competition]]: winner in 1985, 1986, 1987, and 1988 (the only other four-time winners since 1938 are [[Don Coppersmith]], [[Arthur Rubin]], [[Ravi D. Vakil]], [[Gabriel Carroll]], [[Reid W. Barton]], [[Daniel Kane (mathematician)|Daniel Kane]] and [[Brian R. Lawrence]]).<ref>[http://www.maa.org/awards/putnam.html Putnam competition results]</ref>
* [[William Lowell Putnam Mathematical Competition]]: winner in 1985, 1986, 1987, and 1988 (the only other four-time winners since 1938 are [[Don Coppersmith]], [[Arthur Rubin]], [[Ravi D. Vakil]], [[Gabriel Carroll]], [[Reid W. Barton]], [[Daniel Kane (mathematician)|Daniel Kane]] and [[Brian R. Lawrence]]).<ref>{{Cite web|url=http://www.maa.org/awards/putnam.html|title=Putnam Competition Individual and Team Winners {{!}} Mathematical Association of America|website=www.maa.org|access-date=October 23, 2016}}</ref>
* [[International Mathematical Olympiad]]: silver medalist in 1985.<ref>[http://www.imo-official.org/participant_r.aspx?id=9627 International Mathematical Olympiad results]</ref>
* [[International Mathematical Olympiad]]: silver medalist in 1985.<ref>{{Cite web|url=http://www.imo-official.org/participant_r.aspx?id=9627|title=International Mathematical Olympiad|website=www.imo-official.org|access-date=October 23, 2016}}</ref>
* [[American Mathematics Competitions|American High School Mathematics Examination]]: only participant (out of 380,000) to receive a perfect score in 1985.<ref>[http://www.unl.edu/amc/d-publication/d1-pubarchive/2004-5pub/2005-HSsummary.pdf American High School Mathematics Examination results], page 31</ref>
* [[American Mathematics Competitions|American High School Mathematics Examination]]: only participant (out of 380,000) to receive a perfect score in 1985.<ref>[https://wayback.archive-it.org/all/20081031153754/http://www.unl.edu/amc/d-publication/d1-pubarchive/2004-5pub/2005-HSsummary.pdf American High School Mathematics Examination results], page 31</ref>


==Trivia==
==Trivia==
* He co-authored a paper entitled "How to spread rumors fast".<ref>C. Kenneth Fan, Bjorn Poonen, and George Poonen, "How to spread rumors fast", ''Mathematics Magazine'' '''70''' (1997), 40-46.</ref>
* Poonen co-authored a paper entitled "How to spread rumors fast".<ref name="Fan Poonen Poonen 1997 pp. 40–42">{{cite journal | last1=Fan | first1=C. Kenneth | last2=Poonen | first2=Bjorn | last3=Poonen | first3=George | title=How to Spread Rumors Fast | journal=Mathematics Magazine | publisher=Informa UK Limited | volume=70 | issue=1 | year=1997 | issn=0025-570X | doi=10.1080/0025570x.1997.11996496 | pages=40–42}}</ref>
* His [[Erdős-Bacon number]] is 5: he co-authored scholarly articles with [[Andrew Granville]],<ref>Brian Conrey, Andrew Granville, Bjorn Poonen, and Kannan Soundararajan, "Zeros of Fekete polynomials", ''Ann. Inst. Fourier (Grenoble)'' '''50''' (2000), no. 3, 865--889.</ref> [[Wen-Ch'ing Winnie Li]],<ref>A. R. Calderbank, Wen-Ch'ing Winnie Li, and Bjorn Poonen, A 2-adic approach to the analysis of cyclic codes, ''IEEE Trans. Inform. Th.'' '''43''' (1997), 1-11.</ref> [[Andrew Odlyzko]],<ref>Andrew Odlyzko and Bjorn Poonen, Zeros of polynomials with 0,1 coefficients, ''L'Enseign. Math'' '''39''' (1993), 317-348.</ref> and [[Peter Winkler]],<ref>E. G. Coffman, Jr., Bjorn Poonen, and Peter Winkler, Packing random intervals, ''Prob. Theory Relat. Fields'' '''102''' (1995), 105--121.</ref> all of whom have [[Erdős number]] 1;<ref>[http://www.oakland.edu/enp/Erdos0 The Erdős number project]</ref> and he appeared in the documentary ''[[Julia Robinson and Hilbert's Tenth Problem]]''<ref>[http://www.zalafilms.com/films/jrparticipants.html ''Julia Robinson and Hilbert's Tenth Problem'']</ref> narrated by [[Danica McKellar]], who has [[Bacon number]] 2.<ref>[http://oracleofbacon.org/cgi-bin/oracle/movielinks?firstname=Bacon%2C+Kevin&game=1&secondname=danica+mckellar The Oracle of Bacon at Virginia]</ref>


==References==
==References==
{{Reflist|colwidth=30em}}
{{reflist|30em}}


==External links==
==External links==
* [http://math.mit.edu/~poonen/ Personal webpage]
* [http://math.mit.edu/~poonen/ Personal webpage]
* {{IMO results}}


{{Chauvenet Prize recipients}}
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{{Authority control|VIAF=49519370}}

⚫
{{Authority control}}


{{Persondata <!-- Metadata: see [[Wikipedia:Persondata]]. -->
| NAME = Poonen, Bjorn
| ALTERNATIVE NAMES =
| SHORT DESCRIPTION = American mathematician
| DATE OF BIRTH = 1968
| PLACE OF BIRTH = [[Boston, Massachusetts]]
| DATE OF DEATH =
| PLACE OF DEATH =
⚫
}}
{{DEFAULTSORT:Poonen, Bjorn}}
{{DEFAULTSORT:Poonen, Bjorn}}
[[Category:1968 births]]
[[Category:1968 births]]
[[Category:Living people]]
[[Category:Living people]]
[[Category:American mathematicians]]
[[Category:20th-century American mathematicians]]
[[Category:Algebraic geometers]]
[[Category:21st-century American mathematicians]]
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[[Category:Number theorists]]
[[Category:Harvard University alumni]]
[[Category:Harvard University alumni]]
[[Category:University of California, Berkeley alumni]]
[[Category:University of California, Berkeley alumni]]
[[Category:Paris-Sud 11 University faculty]]
[[Category:Academic staff of Paris-Sud University]]
[[Category:Putnam Fellows]]
[[Category:Putnam Fellows]]
[[Category:People from Winchester, Massachusetts]]
[[Category:People from Winchester, Massachusetts]]
[[Category:Fellows of the American Academy of Arts and Sciences]]
[[Category:Fellows of the American Academy of Arts and Sciences]]
[[Category:Fellows of the American Mathematical Society]]
[[Category:Fellows of the American Mathematical Society]]
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[[Category:Guggenheim Fellows]]
[[Category:International Mathematical Olympiad participants]]
[[Category:International Mathematical Olympiad participants]]
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[[Category:Sloan Research Fellows]]
[[Category:Simons Investigator]]
[[Category:Winchester High School (Massachusetts) alumni]]
⚫
[[Category:American number theorists]]
[[Category:Arithmetic geometers]]
[[Category:American people of Ojibwe descent]]

Latest revision as of 06:53, 6 May 2024

Bjorn Poonen
Poonen at Oberwolfach in 2011
Born (1968-07-27) July 27, 1968 (age 56)
Boston, Massachusetts
Alma materUniversity of California, Berkeley
Harvard University
Awards
Scientific career
FieldsMathematics
InstitutionsMIT
Thesis The Mordell-Weil theorem, rigidity, and pairings for Drinfeld modules  (1994)
Doctoral advisorKenneth Alan Ribet
Doctoral students
Websitemath.mit.edu/~poonen/

Bjorn Mikhail Poonen (born July 27, 1968, in Boston, Massachusetts) is a mathematician, four-time Putnam Competition winner, and a Distinguished Professor in Science in the Department of Mathematics at the Massachusetts Institute of Technology.[1] His research is primarily in arithmetic geometry, but he has occasionally published in other subjects such as probability[2] and computer science.[3] He has edited two books.[4][5]

He is the founding managing editor of the journal Algebra & Number Theory,[6] and serves also on the editorial boards of Involve: A Journal of Mathematics[7] and the A K Peters Research Notes in Mathematics book series.[8]

Education

[edit]

Poonen is a 1985 alumnus of Winchester High School in Winchester, Massachusetts. In 1989, Poonen graduated from Harvard University with an A.B. in Mathematics and Physics, summa cum laude. He then studied under Kenneth Alan Ribet at the University of California, Berkeley, completing a PhD there in 1994.[9]

Academic positions

[edit]

Poonen held postdoctoral positions at Mathematical Sciences Research Institute and Princeton University and served on the faculty of the University of California, Berkeley from 1997 to 2008, before moving to MIT.[8] He has also held visiting positions at the Isaac Newton Institute (1998 and 2005), the Université Paris-Sud (2001), Harvard (2007), and MIT (2007).[8]

Major honors and awards

[edit]

Trivia

[edit]
  • Poonen co-authored a paper entitled "How to spread rumors fast".[20]

References

[edit]
  1. ^ "Profile". MIT Mathematics. Retrieved October 14, 2023.
  2. ^ Amir Dembo, Qi-Man Shao, Bjorn Poonen, and Ofer Zeitouni, "Random polynomials with few or no real zeros", Journal of the American Mathematical Society 15 (2002), 857–892.
  3. ^ Poonen, Bjorn (1993). "The Worst Case in Shellsort and Related Algorithms". Journal of Algorithms. 15 (1). Elsevier BV: 101–124. CiteSeerX 10.1.1.138.295. doi:10.1006/jagm.1993.1032. ISSN 0196-6774.
  4. ^ Kedlaya, Kiran S.; Poonen, Bjorn; Vakil, Ravi (March 24, 2011). The William Lowell Putnam Mathematical Competition 1985–2000. Mathematical Association of America. ISBN 978-0-88385-827-1.
  5. ^ "Arithmetic of Higher-Dimensional Algebraic Varieties". Progress in Mathematics. Vol. 226. Boston, MA: Birkhäuser Boston. 2004. doi:10.1007/978-0-8176-8170-8. ISBN 978-1-4612-6471-2. ISSN 0743-1643.
  6. ^ "Algebra & Number Theory". MSP. May 2, 2005. Retrieved October 14, 2023.
  7. ^ "Involve". msp.org. May 2, 2007. Retrieved October 14, 2023.
  8. ^ a b c Curriculum vitae, retrieved January 28, 2015.
  9. ^ Bjorn Poonen at the Mathematics Genealogy Project
  10. ^ "Joseph L. Doob Prize". American Mathematical Society. November 26, 2018. Retrieved October 14, 2023.
  11. ^ "Fellows of the American Mathematical Society". American Mathematical Society. November 26, 2018. Retrieved October 14, 2023.
  12. ^ "American Academy of Arts & Sciences". www.amacad.org. Retrieved October 23, 2016.
  13. ^ "Chauvenet Prizes | Mathematical Association of America". mathdl.maa.org. Retrieved October 23, 2016.
  14. ^ Poonen, Bjorn (March 2008), "Undecidability in Number Theory" (PDF), Notices of the American Mathematical Society: 344–350
  15. ^ Packard fellows in mathematics Archived April 15, 2008, at the Wayback Machine
  16. ^ Notices Amer. Math. Soc. 45, no. 6, (June–July 1998), p. 723.
  17. ^ "Putnam Competition Individual and Team Winners | Mathematical Association of America". www.maa.org. Retrieved October 23, 2016.
  18. ^ "International Mathematical Olympiad". www.imo-official.org. Retrieved October 23, 2016.
  19. ^ American High School Mathematics Examination results, page 31
  20. ^ Fan, C. Kenneth; Poonen, Bjorn; Poonen, George (1997). "How to Spread Rumors Fast". Mathematics Magazine. 70 (1). Informa UK Limited: 40–42. doi:10.1080/0025570x.1997.11996496. ISSN 0025-570X.
[edit]
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