In the comments to my previous post, John Mangual raised a number of questions about the relationship between etale and topological cohomology. Matthew Emerton has posted very thorough answers. If you are interested in the topic, and haven’t read his comments yet, you should.
4 thoughts on “Matthew Emerton is smart and helpful”
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Yes he is!
It’s even better if his office is next to yours.
Thank you for the kind words.
I should mention the posts by James on the earlier thread, which discuss a phenomenon related to etale cohomology and the etale fundamental group which I was unaware of, and which require one to make a slight correction to what I wrote (as he explains).