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Documents authored by Walker, Judy L.

Document
DOI: 10.4230/DagRep.3.8.136
Coding Theory (Dagstuhl Seminar 13351)

Authors: Hans-Andrea Loeliger, Emina Soljanin, and Judy L. Walker

Published in: Dagstuhl Reports, Volume 3, Issue 8 (2013)

Abstract
Coding theory has become an essential ingredient of contemporary information technology, and it remains a fascinating area of research. The seminar brought together 45 high-caliber researchers with backgrounds and interests in various different parts of coding theory. The new area of codes for cloud applications received much attention, but other key areas such as network codes, codes on graphs, algebraic coding, and polar codes, were also well represented and generated lively discussions.
Cite as

Hans-Andrea Loeliger, Emina Soljanin, and Judy L. Walker. Coding Theory (Dagstuhl Seminar 13351). In Dagstuhl Reports, Volume 3, Issue 8, pp. 136-150, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2013)

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@Article{loeliger_et_al:DagRep.3.8.136,
  author =	{Loeliger, Hans-Andrea and Soljanin, Emina and Walker, Judy L.},
  title =	{{Coding Theory (Dagstuhl Seminar 13351)}},
  pages =	{136--150},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2013},
  volume =	{3},
  number =	{8},
  editor =	{Loeliger, Hans-Andrea and Soljanin, Emina and Walker, Judy L.},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.3.8.136},
  URN =		{urn:nbn:de:0030-drops-43458},
  doi =		{10.4230/DagRep.3.8.136},
  annote =	{Keywords: Coding theory, codes on graphs, polar codes, network coding, index coding, data distribution, cloud storage}
}
Document
DOI: 10.4230/DagRep.1.11.50
Coding Theory (Dagstuhl Seminar 11461)

Authors: Joachim Rosenthal, M. Amin Shokrollahi, and Judy L. Walker

Published in: Dagstuhl Reports, Volume 1, Issue 11 (2012)

Abstract
This report documents the program and the outcomes of Dagstuhl Seminar 11461 ``Coding Theory''. A (channel) code is typically a set of vectors of the same length n over a finite alphabet \Sigma. By choosing a fixed codebook, binary strings of appropriate length are injectively mapped into the elements of the code. These elements are then transmitted over a communications channel which induces errors on the codeword. Depending on how well the original code is designed, and which algorithms are used, the result of this transmission and attempts to recover the original vector after transmission can be anywhere between disastrous to excellent. Coding theory is all about the design of excellent codes as a function of the communications channel, and the design of efficient algorithms for choosing the codebook vectors, and more importantly, for recovering the original vector after transmission. As such, successful design of codes requires knowledge and tools in a number of areas such as combinatorics, algorithms design, probability theory and complexity theory, to name a few. The purpose of this workshop is to bring together researchers in the field to discuss recent theoretical advances in algebraic coding, codes on graphs, and network coding, as well as new and emerging applications of coding methods to real-world problems.
Cite as

Joachim Rosenthal, M. Amin Shokrollahi, and Judy L. Walker. Coding Theory (Dagstuhl Seminar 11461). In Dagstuhl Reports, Volume 1, Issue 11, pp. 50-65, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2012)

Copy BibTex To Clipboard

@Article{rosenthal_et_al:DagRep.1.11.50,
  author =	{Rosenthal, Joachim and Shokrollahi, M. Amin and Walker, Judy L.},
  title =	{{Coding Theory (Dagstuhl Seminar 11461)}},
  pages =	{50--65},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2012},
  volume =	{1},
  number =	{11},
  editor =	{Rosenthal, Joachim and Shokrollahi, M. Amin and Walker, Judy L.},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.1.11.50},
  URN =		{urn:nbn:de:0030-drops-33770},
  doi =		{10.4230/DagRep.1.11.50},
  annote =	{Keywords: Algebraic coding theory, complexity theory, cryptography, graph theory, graph based codes, information theory, randomized algorithms, networking}
}
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