In this article, we show that there exists an SCN ring R such that the polynomial ring R[x] is not SCN. This answers a question posed by T. K. Kwak et al. in [2].
机构:
Shandong Inst Business & Technol, Sch Math & Informat Sci, Yantai 264005, Peoples R ChinaShandong Inst Business & Technol, Sch Math & Informat Sci, Yantai 264005, Peoples R China