Homological aspects of formal triangular matrix rings

L Mao - Hacettepe Journal of Mathematics and Statistics - dergipark.org.tr
Let $ T=\biggl (\begin {matrix} A&0\\U&B\end {matrix}\biggr) $ be a formal triangular matrix
ring, where $ A $ and $ B $ are rings and $ U $ is a $(B, A) $-bimodule. We first give some …

Homological aspects of formal triangular matrix rings

MAO Lixin - Hacettepe Journal of Mathematics and Statistics - dergipark.org.tr
Let $ T=\biggl (\begin {matrix} A&0\\U&B\end {matrix}\biggr) $ be a formal triangular matrix
ring, where $ A $ and $ B $ are rings and $ U $ is a $(B, A) $-bimodule. We first give some …