Monthly Archives: July 2024

Persiflage, 2012-2024

No, not a eulogy! I’ve been a bit concerned for a while about how stable wordpress is as a website — various plugins are always updating on their own, and I have sometimes noticed that old blog posts do not … Continue reading

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SL_n versus GL_n

I recently wrote a paper (with Toby Gee and George Boxer, see also here) on constructing regular algebraic automorphic representations \(\pi\) of (cohomological) weight zero and level one, and therefore also cuspidal cohomology classes in the cohomology of \(\mathrm{GL}_n(\mathbf{Z})\) for … Continue reading

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