Does there exist a non-trivial ring $R$ such that $R\cong R[X]$? ($R[X]$ denotes the polynomial ring over $R$). If not, how does one prove it? Else, an example of such a ring and the respective isomorphism is appreciated. Thank you.
2026-03-29 10:16:52.1774779412
Isomorphism from a non trivial ring onto the polynomial ring over itself
62 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in RING-THEORY
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