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Johan Sebastian Rosenkilde Nielsen
PhD student
DTU Compute
Department of Applied Mathematics and Computer Science
Technical University of Denmark
Matematiktorvet
Building 303B, room 153
2800 Kgs. Lyngby
Denmark

Phone
+45 45253010
Fax
+45 4588 1399
Email

Areas of expertise

Abstract algebra
Error correction
Number theory


Primary research field:
Algebraic coding theory, including abstract algebra, number theory and algorithmics

Other fields of interest:
Complexity analysis, Computer-algebra systems (Sage), Logic, Programming languages, Compilation and optimisation, Language and protocol analysis (for correctness and security aspects)

Education: M.Sc. in Informatics (DTU, 2010)

Error correcting codes is a method for protecting data sent via a fallacious channel; this could e.g. be an airborne radio signal, disrupted by atmospheric noise, or a CD with scratches. In order to increase the likelihood of the message arriving at the receiver, it is "encoded" to a longer - slightly redundant - stream, which makes the receiver capable of "decoding" the stream when only a few errors are present. The hardest problem - and the most beautiful mathematics - arise when investigating how the receiver quickly and provably succeeds in decoding.

I am working with error correcting codes in a digitalised model. This quickly leads to discrete abstract algebra and number theory, and error correcting codes simultaneously draws from and improves these fields. Computational complexity and algorithmics are other fields which must be utilised. Conversely - and surprisingly - many of the foundational questions of these utilised "pure" fields have interpretations and solutions in the theory of error correcting codes.



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Matematiktorvet303 BDK-2800 Kgs. LyngbyTel +45 4525 3031VAT 63393010EAN 5798000428515
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