Some Interesting Links

Scientific Links

The arXiv e-print service, which contains among other things a section on quantum physics, in which most papers on quantum information theory can be found.
The American Physical Society web site, which publishes Physical Review A and Physical Review Letters, both containing many papers on quantum information theory.
CiteSeer proposes a database of many computer science papers.
Schneier's Index of cryptography papers available online, although has not been updated since 2003.
The Cryptology ePrint Archive, on which many papers from the cryptographic community can be downloaded.

Rijndael, the symmetric block cipher that has become AES, designed by Joan Daemen and Vincent Rijmen.
Cryptographers apparently like lounges very much, e.g., Paulo Barreto's Hash Function Lounge, the Block Cipher Lounge and a more general cryptography-related lounge.

A compendium of NP optimization problems, which provides a catalog and approximation results of NP optimization problems.

The World Wide Web Consortium's (W3C) web site contains many specifications of web standards around XML, among which XHTML and CSS for Web pages description.
For generation of documents and transformation or conversions between various XML-based standards, XSLT is very useful.
For expressing mathematical formulas, one can use MathML. For rendering of such formulas in Web pages, Mozilla includes support for MathML and MathPlayer comes as a plug-in for Internet Explorer. Conversion from MathML to Teχ or LaTeχ – for its high-quality rendering – can be done by the XSLT MathML Library or with xmltex.
For scalable vector graphics, the W3C proposes SVG, which can be rendered by many tools, including Adobe SVG Viewer and Batik.
Finally, complete documents intended for high-quality printing can be expressed in XSL-FO and rendered in PDF by FOP.
The Open Documen Format is also based on XML. Rendering to PDF can be done using OpenOffice.org.

POV-Ray is a free raytracing software that allows close-to-photorealistic rendering of pictures. For instance, one can find nice examples of images rendered with POV-Ray in Gilles Tran's Experiments in Graphics, Jaime Vives Piqueres's Persistence of Ignorance page or Christoph Hormann's raytracing pages.

Jean Cardinal's homepage, with many interesting papers on information theory (data compression, quantization and applications) and optimization algorithms.
The homepage of Serge Van Criekingen, who is interested in computational neutron transport and in the Boltzmann equation.
Michaël Peeters' homepage and his high-quality chessboard renderer.