Timeline for Minimal right ideals in finite semigroup
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
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| Mar 2, 2021 at 14:20 | comment | added | Carl-Fredrik Nyberg Brodda | @Pnine You asked this almost a decade ago, but for anyone wondering: the fact that it is an isomorphism is Green's Lemma. | |
| Jul 3, 2012 at 20:16 | comment | added | Pnine | Thanks for your answer. Why should $x \mapsto ex$ be an isomorphism? This map is obviously one-one and onto but why do we have $exy=exey$ if $x,y \in R$? | |
| Jul 3, 2012 at 18:46 | history | answered | Denis | CC BY-SA 3.0 |