Abstract
Denote by edK(G) the essential dimension of G over K. If K is an algebraically closed field with char K = 0, Buhler and Reichstein determine explicitly all finite groups G with edK(G) = 1. We will prove a generalization of this theorem when K is an arbitrary field.
Citation
Huah Chu. Shou-Jen Hu. Ming-chang Kang. Jiping Zhang. "Groups with Essential Dimension One." Asian J. Math. 12 (2) 177 - 192, June 2008.
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