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Direct limit of matrix-rings may be unital [articol]

Direct limit of matrix-rings may be unital [articol]

Lugojan, Sorin
URI: http://primo.upt.ro:1701/primo-explore/search?query=any,contains,Direct%20limit%20of%20matrix-rings%20may%20be%20unital&tab=default_tab&search_scope=40TUT&vid=40TUT_V1&lang=ro_RO&offset=0 Link Primo
Date: 2018

Abstract:

Although the matrix-rings M(m; R) (R is a unital commutative ring) are unital rings, yet their classical direct limit is a non-unital ring. It is presented a direct system of matrix-rings that has a unital ring as a direct limit.

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