square roots in Q[r]
- To: mathgroup at smc.vnet.net
- Subject: [mg107764] square roots in Q[r]
- From: Kent Holing <KHO at statoil.com>
- Date: Thu, 25 Feb 2010 17:35:09 -0500 (EST)
Assume that we have f(x) an irreducible polynomial of degree n with rational coefficients and f(r) = 0 for r real. Given an element u in Q[r], is it an easy way, using mathematica, to check if u is a square in Q[r]? Kent Holing
- Follow-Ups:
- Re: square roots in Q[r]
- From: Daniel Lichtblau <danl@wolfram.com>
- Re: square roots in Q[r]
- From: Daniel Lichtblau <danl@wolfram.com>
- Re: square roots in Q[r]