Center for Discrete Mathematics and Theoretical Computer Science (DIMACS) is a collaborative project between Rutgers, The State University of New Jersey, Princeton University, AT&T Labs - Research, Bell Labs, Telcordia Technologies, and NEC Laboratories America. Affiliate members include Avaya Labs, HP Labs, IBM Research, and Microsoft Research. Their focus is on the development, application and...

PBS has developed a number of websites for educators, and their PBS Teachers site has received a number of accolades and high praise from diverse quarters. First-time visitors to the site may wish to first use the drop-down menus here to select a grade range and a topic that interests them. After doing so, a set of relevant materials will be offered to them, organized by topic and intended grade...

Flavius Josephus was a Jewish historian living in the first century when he and his comrades found themselves trapped in a cave. Surrounded by Roman centurions, this band chose suicide over capture, and they elected to form a circle and then start killing themselves. From this rather traumatic situation came the well-known Josephus Problem, a classic problem of recreational mathematics. This...

Differential Geometry and Geometric Structures is one of six research units which comprise the Institute of Discrete Mathematics and Geometry of the Vienna University of Technology. From this website, visitors can read about members and their research activities and download select publications (in German and English). They have also developed some software, which is in German, for use in geometry...