Geodesic
The Extended Center of Coproducts
Canadian mathematical bulletin, Tome 25 (1982) no. 2, pp. 245-248

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DOI

The sole purpose of this paper is to prove that if R 1 and R 2 are algebras with 1 over a common field F, with each (R i:F) > 1 and at least one (R i :F) > 2, then the extended center of the coproduct R 1∐R 2 is equal to F.
DOI : 10.4153/CMB-1982-036-x
Mots-clés : 16A12, 16A08, coproduct, extended center 
3rd, Wallace S. Martindale. The Extended Center of Coproducts. Canadian mathematical bulletin, Tome 25 (1982) no. 2, pp. 245-248. doi: 10.4153/CMB-1982-036-x
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     doi = {10.4153/CMB-1982-036-x},
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