Timeline for Reconstructing a morphism of exact triangles in the homotopy cat. of a dg-cat. using a "functorial cone map"
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 6, 2014 at 8:16 | comment | added | Fernando Muro | Of course, take $k[x]$ and $k[x]/(x)\hookrightarrow k[x]/(x^2)\twoheadrightarrow k[x]/(x)$ | |
| Aug 5, 2014 at 19:21 | vote | accept | Francesco Genovese | ||
| Aug 5, 2014 at 19:21 | comment | added | Francesco Genovese | Thanks! What if I work with dg-categories over a field? Should I be able to construct a counterexample with this technique? | |
| Aug 5, 2014 at 18:49 | history | answered | Fernando Muro | CC BY-SA 3.0 |