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Note: You are looking at a static copy of the former PineWiki site, used for class notes by James Aspnes from 2003 to 2012. Many mathematical formulas are broken, and there are likely to be other bugs as well. These will most likely not be fixed. You may be able to find more up-to-date versions of some of these notes at http://www.cs.yale.edu/homes/aspnes/#classes.

The SymmetricGroup: properties of permutations, cycle decompositions, operations on permutations. Also more GroupTheory: subgroups, homomorphisms, isomorphims, and embeddings. Readings: ยง10.6, 20.7, 20.5. Note that BiggsBook doesn't talk about group homomorphisms that aren't isomorphisms, so you may also want to read through the appropriate sections of GroupTheory.

2014-06-17 11:57