Dijen K. Ray-Chaudhuri

Dwijendra Kumar Ray-Chaudhuri (born November 1, 1933) is a professor emeritus at Ohio State University. He and his student R. M. Wilson together solved Kirkman's schoolgirl problem in 1968 [1] which contributed to developments in design theory.

D. K. Ray-Chaudhuri
BornNovember 1 1933
Alma materRajabazar Science College (University of Calcutta)
University of North Carolina at Chapel Hill
Known forBCH code
Kirkman's schoolgirl problem
AwardsEuler Medal (1999)
Scientific career
FieldsCombinatorics
InstitutionsOhio State University
Doctoral advisorRaj Chandra Bose

He received his M.Sc. (1956) in mathematics from the famous Rajabazar Science College, University of Calcutta and Ph.D. in combinatorics (1959) from University of North Carolina at Chapel Hill. He served as consultant at Cornell Medicine and Sloan Kettering, a professor and chairman of the Department of Mathematics at Ohio State University, as well as a visiting professor of University of Göttingen and University of Erlangen in Germany, University of London, and Tata Institute of Fundamental Research in Mumbai.

He is best known for his work in design theory and the theory of error-correcting codes, in which the class of BCH codes is partly named after him and his Ph.D. advisor Bose.[2] Ray-Chaudhuri is the recipient of the Euler Medal by the Institute of Combinatorics and its Applications for his career contributions to combinatorics. In 2000, a festschrift appeared on the occasion of his 65th birthday.[3] In 2012 he became a fellow of the American Mathematical Society.[4]

Honors, Awards, and Fellowships
  • Senior U.S. Scientist Award of the Humboldt Foundation of Germany
  • President for Forum in New Delhi
  • Foundation Fellow of the ICA

Selected publications
  • R. C. Bose and D. K. Ray-Chaudhuri: On a class of error correcting binary group codes. Information and Control 3(1): 68-79 (March 1960).
  • C. T. Abraham, S. P Ghosh and D. K. Ray-Chaudhuri: File organization schemes based on finite geometries. Information and control, 1968.
  • D. K. Ray-Chaudhuri and R. M. Wilson: Solution of Kirkman's schoolgirl problem. Proc. symp. pure Math, 1971.
  • D. K. Ray-Chaudhuri and R. M. Wilson: On t-designs. Osaka Journal of Mathematics 1975.
gollark: That's either singular of the wrong gender or plural of the wrong gender.
gollark: That's singular.
gollark: We are not responsible for- headaches- rashes- persistent/non-persistent coughs- scalp psoriasis- seborrhoeic dermatitis- virii/viros/virorum/viriis- backdoors- lack of backdoors- spinal cord sclerosis- hypertension- cardiac arrest- regular arrest, by police or whatever- angry mobs with or without pitchforks- Nvidia's Linux drivers- death- catsplosions- unicorn instability- computronic discombobulation- loss of data- gain of data- frogsor any other issue caused directly or indirectly due to use of this product.
gollark: Docs here: https://pastebin.com/RM13UGFa
gollark: * potatoß

References
  1. "DijenCV" (PDF). people.math.osu.edu. Retrieved 2020-03-03.
  2. Mathematics Genealogy Project
  3. Codes and Designs: Proceedings of a Conference Honoring Professor Dijen K. Ray-Chaudhuri on the Occasion of His 65th Birthday (The Ohio State University, May 18–21, 2000). Editors: K.T. Arasu and Ákos Seress. Berlin, New York: Walter de Gruyter, 2002. ISBN 978-3-11-017396-3. doi:10.1515/9783110198119
  4. List of Fellows of the American Mathematical Society, retrieved 2013-06-09.
  5. "DijenCV" (PDF). OSU. Retrieved 2020-03-03.
  6. "Dijen K. Ray-Chaudhuri". WIKIDATA. Retrieved 2020-03-03.


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