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Questions that are about research in mathematics, or about the job of a research mathematician, without being mathematical problems or statements in the strictest sense. Do not use this tag for easy or supposedly easy mathematical questions.

2 votes

A website linking to most major math journals?

Google. Regensburg library search: http://rzblx1.uni-regensburg.de/ezeit/search.phtml?bibid=AAAAA&colors=7&lang=en Dave Benson's list: http://www.maths.abdn.ac.uk/~bensondj/html/maths.html Google.
user717's user avatar
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29 votes
10 answers
4k views

How can I really motivate the Zariski topology on a scheme?

First of all, I am aware of the questions about the Zariski topology asked here and I am also aware of the discussion at the Secret Blogging Seminar. But I could not find an answer to a question that …
user717's user avatar
  • 5,243
14 votes

What out-of-print books would you like to see re-printed?

Methods of representation theory (Vol 1+2) by Curtis and Reiner. It's a shame that this is out of print!
15 votes
8 answers
2k views

How can I conclude that I live in a solar system?

Well, this is an awkward question and I don't know if it is mathematical enough for MO (I'm sorry if not) but I'll try it: What observations in the coordinate system centered in my fixed position on e …
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38 votes

Why are flat morphisms "flat?"

I remember the following two quotes about flatness (I forgot who said/wrote this): For every geometric description of flatness there is a counterexample. Flatness is one of the few notions in algebr …
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7 votes

How should one approach tropical mathematics?

For an overview of tropical geometry perhaps: A. Gathmann, Tropical algebraic geometry, Jahresbericht der DMV 108 It's available here.
29 votes
6 answers
3k views

Errata database?

Some authors do a really great job by collecting errors and comments to their books and putting a list on their websites. I wonder if there is some (perhaps wiki-style) website where errata are collec …
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