Can ring homomorphisms be characterized as ring maps such that preimage of any ideal is an ideal? – math.stackexchange.com 07:18 Posted by Unknown No Comments It's a well know fact that preimage of ideals by ring homomorphism are also ideals. Is the reciprocal true? I.e., let $f:R\to S$ be a map between the rings $R$ and $S$ s.t. $f^{-1}(I)\vartriangleleft ... from Hot Questions - Stack Exchange OnStackOverflow via Blogspot Share this Google Facebook Twitter More Digg Linkedin Stumbleupon Delicious Tumblr BufferApp Pocket Evernote Unknown Artikel Terkaitget a percentage of a file – unix.stackexchange.comThe Tree...had a child? – puzzling.stackexchange.com60's or 70's movie with "super" motorcycle equipped with computer display and rifle holster – scifi.stackexchange.comIs it worth trying to process film shot in 1989? (Fall of the Berlin Wall) – photo.stackexchange.comAre there any spells that do not have any components? – rpg.stackexchange.comI updated my CentOS 7 system. Why is Meltdown/Spectre only partially mitigated? – serverfault.com
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