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math.AG2009★ 5 cited
Finite Groups of Essential Dimension 2
Alexander Duncan
We classify all finite groups of essential dimension 2 over an algebraically closed field of characteristic 0.
math.AG2009
Essential Dimensions of A_7 and S_7
Alexander Duncan
We show that Y. Prokhorov's "Simple Finite Subgroups of the Cremona Group of Rank 3" implies that, over any field of characteristic 0, the essential dimensions of the alternating g…