Timeline for Infinite graph with no minimal vertex cover
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 3, 2021 at 19:26 | comment | added | Alex Kruckman | This argument is almost identical to an exercise I assigned recently in my commutative algebra class: every nonzero commutative ring has a minimal prime ideal. | |
| Mar 3, 2021 at 19:25 | comment | added | Dominic van der Zypen | Thanks for your argument, somehow I was convinced that the intersection argument wouldn't work - and thanks to you, I learned something today! | |
| Mar 3, 2021 at 19:24 | vote | accept | Dominic van der Zypen | ||
| Mar 3, 2021 at 19:11 | history | answered | Alex Kruckman | CC BY-SA 4.0 |