Are the eigenvalues of Hecke operators distinct? - MathOverflow most recent 30 from http://mathoverflow.net 2013-05-21T08:31:44Z http://mathoverflow.net/feeds/question/105713 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/105713/are-the-eigenvalues-of-hecke-operators-distinct Are the eigenvalues of Hecke operators distinct? Victor Aricheta 2012-08-28T12:54:34Z 2012-08-29T04:42:11Z <p>Given a Hecke operator which acts on the space of modular forms for $\mathrm{SL}_2(\mathbb{Z})$, are the eigenvalues necessarily distinct?</p>