symmetric monoidal (∞,1)-category of spectra
A field extension by a primitive root of unity .
The default meaning where is left unspecified is , the field of rational numbers, where may be taken to be (hence the smallest subfield of the complex numbers that contains this exponential value).
Keith Conrad, Cyclotomic extensions (pdf)
Wikipedia, cyclotomic field
Last revised on October 7, 2018 at 13:51:42. See the history of this page for a list of all contributions to it.