# Links to sites related to abstract algebra

#### Number theory:

- Compute GCD's, by David Sumner, University of South Carolina
- A calculator for the Euclidean algorithm

- The Prime Machine, by Peter Alfeld, University of Utah
- Explore prime numbers using a Java applet

- Prime number generator, from Caltech
- Generate lists of primes

- About the proof of Fermat's last theorem, from NOVA Online
- Includes an interview with Andrew Wiles

#### Cryptography:

- Cryptography Resource Guide, by Emma Kavanagh, from Norton 360
- Public-key cryptography, from Wikipedia
- Elliptic curve cryptography, from Wikipedia
- Cybersecurity Information, from George Washington University

#### Group theory in geometry:

- Symmetry and the Shape of Space, by C. Goodman-Strauss
- Symmetry and Group Theory, at The Geometry Junkyard, by David Eppstein

#### Group theory in the natural sciences:

- Group theory and physics, from the Notices of the AMS, January, 1997 (pdf format)

#### Other applications:

- Music and mod 12 arithmetic, by Kenneth R. Rumery
- Mathematics and Knots, from the University of Wales, Bangor
- The KnotPlot Site, from the Pacific Institute for the Mathematical Sciences

#### Reference sites with more links:

- Abstract Algebra resources, from the University of Tennessee at Knoxville

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