Tag Archives: stable cohomology

The stable cohomology of SL(F_p)

Back by popular demand: an actual mathematics post! Today’s problem is the following: compute the cohomology of for a (mod-p) algebraic representation. Step 0 is to say what this problem actually is. It makes sense to talk about certain algebraic … Continue reading

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H_2(Gamma_N(p),Z)

In this post (which is a follow-up to the last post), I wanted to compute the group , where is the congruence subgroup of for large enough and is prime. In fact, to make my life easier, I will also … Continue reading

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