Timeline for Chevalley Eilenberg complex definitions?
Current License: CC BY-SA 2.5
4 events
| when toggle format | what | by | license | comment | |
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| Apr 14, 2015 at 20:09 | comment | added | Jim Stasheff | is there written somewhere the construction of the Chevalley-Eilenberg complex in the dg setting? sure I could grind it out, but a reference? | |
| Jan 17, 2010 at 1:02 | comment | added | José Figueroa-O'Farrill | I think we are both saying the same thing. The complex computing the cohomology groups where the infinitesimal deformations and the obstructions live has the structure of a graded Lie algebra, hence dually a differential graded algebra. This is explained in Nijenhuis and Richardson. | |
| Jan 17, 2010 at 0:26 | comment | added | Kevin H. Lin | "deformations of algebraic structures are always governed by a cohomology theory" --- cohomology theory in what sense? I thought deformations are supposed to be governed by a dg Lie algebra. | |
| Dec 10, 2009 at 18:05 | history | answered | José Figueroa-O'Farrill | CC BY-SA 2.5 |