Mathematical links

• The arXiv preprint archive, and the UC Davis front for same.
• MathSciNet (requires subscription), an online database for Mathematical Reviews.
• Some useful knot theory links: The Knot Atlas, Table of Knot Invariants, KhoHo, Knotscape.
• The Mandelbrot competition, a great high school competition.
• The Stanford Math Circle and Berkeley Math Circle.
• The Mathematics Advanced Study Semesters (MASS) program at Penn State University, which began in the fall of 1996.
• The American Mathematics Competitions web page, containing information about the AHSME/AIME/USAMO sequence, the International Math Olympiad, and the Math Olympiad Program.
• The AMC competitions archive and the Putnam archive.
• Information about the Math Olympiad Program.

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