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Results tagged with soft-question
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user 717
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.
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 …
- 5,243
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 …
- 5,243
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 …
- 5,243
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 …
- 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!
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.
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.
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