| 王芳贵.Cohn环与Grothendieck群[J].数学研究及应用,1992,12(2):287~291 |
| Cohn环与Grothendieck群 |
| Cohn Rings and Their Grothendieck Groups |
| 投稿时间：1990-06-16 |
| DOI：10.3770/j.issn:1000-341X.1992.02.025 |
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| 基金项目:国家自然科学基金资助项目. |
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| 英文摘要: |
| 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 |
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