| Cohn Rings and Their Grothendieck Groups |
| Received:June 16, 1990 |
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| Abstract: |
| We introduce three classes of cohn rings C1,C2 and C3). Let R and S are rings,φ : R→S is a ring homomorphism. We prove that R∈Ci if and only if R/J(R) ∈ Ci. In We also discuss the relation between the |
| Citation: |
| DOI:10.3770/j.issn:1000-341X.1992.02.025 |
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