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| rev | Bot | (Created page with "<div class="d-none"><math> \newcommand{\mathds}{\mathbb}</math></div> {{Alert-warning|This article was automatically generated from a tex file and may contain conversion errors. If permitted, you may login and edit this article to improve the conversion. }}Prove that the Pontrjagin dual of <math>\mathbb Z_N</math> is this group itself <math display="block"> \widehat{\mathbb Z}_N=\mathbb Z_N </math> and work out the details of the subsequent isomorphism <math>C^*(\ma...") | Apr 22'25 at 1:39 | +509 |