My Math Forum  

Go Back   My Math Forum > College Math Forum > Abstract Algebra

Abstract Algebra Abstract Algebra Math Forum

LinkBack Thread Tools Display Modes
January 28th, 2014, 06:24 AM   #1
Senior Member
Joined: Sep 2010
From: Germany

Posts: 153
Thanks: 0

the zero set of an ideal

Find the zero set

By definition :

So I show that we must have

and from this

hence  right?
rayman is offline  
January 28th, 2014, 11:35 PM   #2
Senior Member
Joined: Mar 2012

Posts: 294
Thanks: 88

Re: the zero set of an ideal

It seems to me your zero-set is too small. For example, what about (0,0,c), (0,b,0) or (a,0,0)?

Surely every element of J annihilates all of those....
Deveno is offline  

  My Math Forum > College Math Forum > Abstract Algebra

ideal, set

Search tags for this page
Click on a term to search for related topics.
Thread Tools
Display Modes

Similar Threads
Thread Thread Starter Forum Replies Last Post
Ideal in z(x) alejandrofigueroa Abstract Algebra 0 November 4th, 2013 09:11 AM
ideal Joolz Abstract Algebra 3 September 20th, 2012 06:47 PM
ideal ely_en Real Analysis 0 March 4th, 2012 11:22 AM
Ideal HairOnABiscuit Abstract Algebra 3 December 12th, 2009 01:11 PM
Maximal Ideal julien Abstract Algebra 1 November 19th, 2006 05:56 PM

Copyright © 2019 My Math Forum. All rights reserved.