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In mathematics, essential dimension is an invariant defined for certain algebraic structures such as algebraic groups and quadratic forms. It was introduced by J. Buhler and Z. Reichstein [1] and in its most generality defined by A. Merkurjev. [2]
[edit] References
- ^ Buhler, J.; Reichstein, Z. (1997). "On the essential dimension of a finite group". Compositio Mathematica 106: 159--179.
- ^ Berhuy, G.; Favi, G. (2003). "Essential Dimension: a Functorial Point of View (after A. Merkurjev)". Documenta Mathematica 8: 279--330 (electronic).
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