A correspondence dual to McKay's
Abstract
Description
We give a dual to the McKay correspondence, involving conjugacy classes of subgroups of SU(2). We prove a determinantal formula involving both correspondences. We pose some questions concerning a non-commutative Fourier transform.
revised version, correcting misprints and incorporating Comments by Dolgachev and McKay, plus reference to Bourbaki's tables plain tex
revised version, correcting misprints and incorporating Comments by Dolgachev and McKay, plus reference to Bourbaki's tables plain tex