J4 ›› 2011, Vol. 46 ›› Issue (12): 44-45.
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ZHANG Kui, TANG Yi-li, GE Mao-rong*
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Abstract:
Let R be a Principal Ideal Domain. The concrete structure of minimal injective cogenerator of RM is obtained: R is a minimal injective cogenerator of RM if R is a field; K／R is a minimal injective cogenerator of RM (K is the fractional field of R) if R is not a field.
Key words: principal ideal domain; minimal injective cogenerator
ZHANG Kui, TANG Yi-li, GE Mao-rong*. Minimal injective cogenerator of principal ideal domain[J].J4, 2011, 46(12): 44-45.
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