October 30th, 2016, 03:24 AM  #1 
Newbie Joined: Oct 2016 From: Holand Posts: 1 Thanks: 0  Quaternions
Find an element in M(H) that can not be written as LaRb for any a, b in H. Here M(H) is multiplication algebra generated with LaiRbi i:0,...n Ive tried to solve it but unfortunately i didnt make. If anyone knows something that could help me i would appreciate it. La is multiplication on right hand side and Rb is multiplication on right hand side with a and b respectively. Thanks Last edited by Katnis; October 30th, 2016 at 04:10 AM. 

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division algebras, quaternions 
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