MathDL - The MAA Mathematical Sciences Digital Library
Skip to content
Search

Search Classroom Capsules and Notes:

Keyword

  Advanced Search
The Mathematical Association of America
The National Science Digital Library Project
The National Science Foundation
Register Sign In

Classroom Capsules and Notes

Does a Quadratic Extension Field Contain the Square Root of -1?

by Walden Freedman

This article originally appeared in:
College Mathematics Journal
January, 2004

Subject classification(s): Algebra and Number Theory
Applicable Course(s): 4.2 Mod Algebra I & II

When does a quadratic extension field contain an element whose square is the additive inverse of unity?

A pdf copy of the article can be viewed by clicking below. Since the copy is a faithful reproduction of the actual journal pages, the article may not begin at the top of the first page.

To open this file please click here.

These pdf files are furnished by JSTOR.



Capsule Course Topic(s):

To rate this capsule on a 1-5 scheme, click on the appropriate icosahedron:

12345 Current rating: 2.7number of votes: 93
12345

MathDL Homepage MathDL Homepage National Science Digital Library The Mathematical Association of America