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February 3rd, 2015, 11:44 PM  #1 
Newbie Joined: Feb 2015 From: indonesia Posts: 1 Thanks: 0  elementary divisor ring
Can anyone help me? I have a problem with proving a theorem for my thesis. Let R be a Hermite ring. If R/I is an elementary divisor ring, then R is an elementary divisor ring. Is it true? If that's true, I have no idea how to prove that lemma. Please help me. Last edited by skipjack; February 4th, 2015 at 02:46 AM. 
February 5th, 2015, 09:44 AM  #2 
Math Team Joined: Jan 2015 From: Alabama Posts: 3,264 Thanks: 902 
What is "I"?


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