If you have a new account but are having problems posting or verifying your account, please email us on hello@boards.ie for help. Thanks :)

Hello all! Please ensure that you are posting a new thread or question in the appropriate forum. The Feedback forum is overwhelmed with questions that are having to be moved elsewhere. If you need help to verify your account contact hello@boards.ie

Abelian groups

planck2 · 2003-09-17 07:41:34

I know this is terrible for a 4th to be asking , but what makes a group Abelian?

Options

17-09-2003 8:41am

#1

planck2

Closed Accounts Posts: 242 ✭✭

Join Date: May 2003

Posts: 239

I know this is terrible for a 4th to be asking , but what makes a group Abelian?

0

Comments

Options
#2 17-09-2003 11:47am
Garth Farley

Registered Users Posts: 26 ✭

Join Date: August 2003

Posts: 25

It's a group where the elements commute, i.e AB = BA. under the defined operation.

Eg, a group of 2x2 matrices under addition is Abelian, but under multiplication is not.

GF

0
Options
#3 18-09-2003 1:04pm
planck2

Closed Accounts Posts: 242 ✭✭

Join Date: May 2003

Posts: 239

thaknk you

0
Options
#4 22-09-2003 12:31pm
Garth Farley

Registered Users Posts: 26 ✭

Join Date: August 2003

Posts: 25

Hey Garth,

Where are u today?

0