# The Second Cohomology of Special Linear Groups

• David Stewart
• Friday 22 January 2010, 14:00-15:00
• MR13.

We use spectral sequences in order to calculate the second cohomology of all irreducible representations of $\text{SL}_2$ and then $H^2(G,V)$ for $V$ an irreducible representation of $G=\text{SL}_3$.

This talk is part of the Junior Algebra/Logic/Number Theory seminar series.