Tamal Krishna Dey, Ohio State University

Tamal Krishna Dey (born 1964) is an Indian mathematician and computer scientist specializing in computational geometry and

computational topology Algorithmic topology, or computational topology, is a subfield of topology with an overlap with areas of computer science, in particular, computational geometry and computational complexity theory. A primary concern of algorithmic topology, as its ...

. He is a professor at

Purdue University Purdue University is a public land-grant research university in West Lafayette, Indiana, and the flagship campus of the Purdue University system. The university was founded in 1869 after Lafayette businessman John Purdue donated land and mone ...

Education and career

Dey graduated from

Jadavpur University Jadavpur University is a public state university located in Jadavpur, Kolkata, West Bengal, India. It was established in 1905 as ''Bengal Technical Institute'' and was converted into Jadavpur University in 1955. In 2022, it was ranked fourth am ...

in 1985, with a bachelor's degree in electronics. He earned a master's degree from the

Indian Institute of Science Bangalore The Indian Institute of Science (IISc) is a public, deemed, research university for higher education and research in science, engineering, design, and management. It is located in Bengaluru, in the Indian state of Karnataka. The institute wa ...

in 1987, and completed his Ph.D. at

in 1991. His dissertation, ''Decompositions of Polyhedra in Three Dimensions'', was supervised by Chandrajit Bajaj. After postdoctoral research with

Herbert Edelsbrunner Herbert Edelsbrunner (born March 14, 1958) is a computer scientist working in the field of computational geometry, the Arts & Science Professor of Computer Science and Mathematics at Duke University, Professor at the Institute of Science and Tec ...

at the

University of Illinois at Urbana–Champaign The University of Illinois Urbana-Champaign (U of I, Illinois, University of Illinois, or UIUC) is a public land-grant research university in Illinois in the twin cities of Champaign and Urbana. It is the flagship institution of the Univer ...

, Dey joined the Purdue faculty in 1992. He moved to the

Indian Institute of Technology Kharagpur Indian Institute of Technology Kharagpur (IIT Kharagpur) is a public institute of technology established by the Government of India in Kharagpur, West Bengal, India. Established in 1951, the institute is the first of the IITs to be established ...

in 1994, and moved to the computer science and engineering department at

Ohio State University The Ohio State University, commonly called Ohio State or OSU, is a public land-grant research university in Columbus, Ohio. A member of the University System of Ohio, it has been ranked by major institutional rankings among the best publ ...

in 1999. At Ohio State, he obtained a courtesy appointment in the department of mathematics in 2015. He became the interim chair of the computer science department at Ohio State in 2019, before moving to Purdue in 2020.

Contributions

Dey is known for proving the tightest-known

upper bound In mathematics, particularly in order theory, an upper bound or majorant of a subset of some preordered set is an element of that is greater than or equal to every element of . Dually, a lower bound or minorant of is defined to be an eleme ...

s on the -set problem and for his work on 3D reconstruction and

. He is the author of the book ''Curve and Surface Reconstruction: Algorithms with Mathematical Analysis'' (Cambridge University Press, 2006). With Siu-Wing Cheng and

Jonathan Shewchuk Jonathan Richard Shewchuk is a Professor in Computer Science at the University of California, Berkeley. He obtained his B.S. in Physics and Computing Science from Simon Fraser University in 1990, and his M.S. and Ph.D. in Computer Science from ...

, he is the co-author of ''Delaunay Mesh Generation'' (CRC Press, 2012).

Recognition

Dey was elected as an

ACM Fellow ACM or A.C.M. may refer to: Aviation * AGM-129 ACM, 1990–2012 USAF cruise missile * Air chief marshal * Air combat manoeuvring or dogfighting * Air cycle machine * Arica Airport (Colombia) (IATA: ACM), in Arica, Amazonas, Colombia Computing * ...

in 2018 for "contributions to computational geometry and computational topology". He is also a fellow of the

IEEE The Institute of Electrical and Electronics Engineers (IEEE) is a 501(c)(3) professional association for electronic engineering and electrical engineering (and associated disciplines) with its corporate office in New York City and its operat ...

References

External links

Home page
* {{DEFAULTSORT:Dey, Tamal Living people American computer scientists 20th-century American mathematicians Indian computer scientists 20th-century Indian mathematicians Researchers in geometric algorithms Jadavpur University alumni Indian Institute of Science alumni Purdue University alumni Purdue University faculty IIT Kharagpur faculty Fellows of the Association for Computing Machinery Fellow Members of the IEEE 1964 births 21st-century American mathematicians