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Tuesday, July 24, 2007

Molien's Theorem.

From Appendix D in "Ideals, Varieties, and Algorithms" by Cox, Little, O'Shea.

An interesting project could be built around Molien's Theorem in invariant theory, which is mentioned in §3 of Chapter 7. The algorithm given in STURMFELS (1991) could be implemented to find a set of generators for k[x\, ... ,Xn]^G. This could be applied to find the invariants of some larger groups, such as the rotation group of the cube in R^3. Molien's theorem is also discussed in Chapter 7 of BENSON and GROVE (1985).

Sounds interesting...

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