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{{Short description|Indian mathematician and computer scientist (born 1964)}}
{{Use dmy dates|date=November 2022}}
{{Use Indian English|date=November 2022}}
[[File:Tamal Krishna Dey, Ohio State University.jpg|thumb|Tamal K. Dey at the [[Mathematical Research Institute of Oberwolfach|MFO]], 2012]]
'''Tamal Krishna Dey''' (born 1964){{r|born}} is an Indian mathematician and computer scientist specializing in [[computational geometry]] and [[computational topology]]. He is a professor at [[Purdue University]].{{r|purfac}}

==Education and career==
Dey graduated from [[Jadavpur University]] in 1985, with a bachelor's degree in electronics. He earned a master's degree from the [[Indian Institute of Science Bangalore]] in 1987, and completed his Ph.D. at [[Purdue University]] in 1991.{{r|cv}} His dissertation, ''Decompositions of Polyhedra in Three Dimensions'', was supervised by [[Chandrajit Bajaj]].{{r|mg}}

After postdoctoral research with [[Herbert Edelsbrunner]] at the [[University of Illinois at Urbana–Champaign]], Dey joined the Purdue faculty in 1992. He moved to the [[Indian Institute of Technology Kharagpur]] in 1994, and moved to the computer science and engineering department at [[Ohio State University]] in 1999. At Ohio State, he obtained a courtesy appointment in the department of mathematics in 2015.{{r|cv}} He became the interim chair of the computer science department at Ohio State in 2019, before moving to Purdue in 2020.{{r|cv}}{{r|purfac}}

==Contributions==
Dey is known for proving the tightest-known [[upper bound]]s on the [[K-set (geometry)|{{mvar|k}}-set problem]]{{r|cg42}} and for his work on [[3D reconstruction]] and [[computational topology]].{{citation needed|date=November 2022}}

He is the author of the book ''Curve and Surface Reconstruction: Algorithms with Mathematical Analysis'' (Cambridge University Press, 2006).{{r|csr}}
With Siu-Wing Cheng and [[Jonathan Shewchuk]], he is the co-author of ''Delaunay Mesh Generation'' (CRC Press, 2012).{{r|dmg}}

==Recognition==
Dey was elected as an [[ACM Fellow]] in 2018 for "contributions to computational geometry and computational topology".{{r|facm}} He is also a fellow of the [[IEEE]].{{r|cv}}

==References==
<references>

<ref name=born>Birth year from [http://id.loc.gov/authorities/names/n2006041302.html Library of Congress catalog entry], retrieved 2018-12-06.</ref>

<ref name=cg42>{{citation
| last1 = Mitchell | first1 = Joseph S. B. | author1-link = Joseph S. B. Mitchell
| last2 = O'Rourke | first2 = Joseph | author2-link = Joseph O'Rourke (professor)
| doi = 10.1142/S0218195901000651
| issue = 5
| journal = International Journal of Computational Geometry & Applications
| mr = 1862888
| pages = 573–582
| title = Computational geometry column 42
| volume = 11
| year = 2001| arxiv = cs/0001025
}}</ref>

<ref name=csr>{{citation
| last = Sottile | first = Matthew J.
| date = March 2010
| doi = 10.1145/1753171.1753178
| issue = 1
| journal = ACM SIGACT News
| page = 24
| title = Review of ''Curve and Surface Reconstruction: Algorithms with Mathematical Analysis''
| volume = 41| s2cid = 22437904
}}</ref>

<ref name=cv>{{citation|url=https://www.cs.purdue.edu/homes/tamaldey/cv.pdf|title=Curriculum vitae|accessdate=2021-02-08}}</ref>

<ref name=purfac>{{citation|url=https://www.cs.purdue.edu/homes/tamaldey/|title=Purdue Computer Science Department Faculty List|accessdate=2021-02-08}}</ref>

<ref name=dmg>{{citation|title=Review of ''Delaunay Mesh Generation''|journal=Mathematical Reviews|first=Alexander|last=Bihlo|mr=3156288}}</ref>

<ref name=facm>{{citation|url=https://www.acm.org/media-center/2018/december/fellows-2018|title=2018 ACM Fellows Honored for Pivotal Achievements that Underpin the Digital Age|publisher=[[Association for Computing Machinery]]|date=5 December 2018}}</ref>

<ref name=mg>{{mathgenealogy|id=81852}}</ref>

</references>

==External links==
*[https://www.cs.purdue.edu/homes/tamaldey/ Home page]
*{{Google Scholar id|k7VhUnAAAAAJ}}

{{Authority control}}

{{DEFAULTSORT:Dey, Tamal}}
[[Category:Living people]]
[[Category:American computer scientists]]
[[Category:20th-century American mathematicians]]
[[Category:Indian computer scientists]]
[[Category:20th-century Indian mathematicians]]
[[Category:Researchers in geometric algorithms]]
[[Category:Jadavpur University alumni]]
[[Category:Indian Institute of Science alumni]]
[[Category:Purdue University alumni]]
[[Category:Purdue University faculty]]
[[Category:Academic staff of IIT Kharagpur]]
[[Category:Fellows of the Association for Computing Machinery]]
[[Category:Fellows of the IEEE]]
[[Category:1964 births]]
[[Category:21st-century American mathematicians]]

Tamal Dey - Revision history

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