Links and subcategories within the Algebra section are provided below.
Directory Links:
Mileski Theorem (Law) concerning a monotonically increasing sequence of positive integers or monotonically decreasing sequence of negative integers Link: http://mileskitheorem.tripod.com

Andrew Baker, University of Glasgow. Link: http://www.maths.gla.ac.uk/~ajb/coursenotes.html

Contains many of the definitions and theorems from the area of mathematics generally called abstract algebra. Intended for undergraduate students taking an abstract algebra class at the junior/senior level, as well as for students taking their first gradu Link: http://www.math.niu.edu/~beachy/aaol

A forum for students on abstract algebra and linear algebra. Link: http://www.math.miami.edu/forum/algebra

From Spartanburg County School District Two. Link: http://www.spartanburg2.k12.sc.us/links/algebra.htm

Topics include number theory, groups and sets, commutative rings, algebraic geometry, and linear algebra. Link: http://www.math.niu.edu/~rusin/knownmath/index/tour_alg.html

An introduction to boolean algebra from the perspective of electronic engineering. Link: http://www.allaboutcircuits.com/vol_4/chpt_7/index.html

Robert R. Bruner, Wayne State University. Tables in PS or GIF formats. Link: http://www.math.wayne.edu/~rrb/cohom

the commutative algebra community Link: http://www.commalg.org

An introduction with math and a little history intended for those having a familiarity with ordinary real numbers and algebra. Link: http://www.clarku.edu/~djoyce/complex
