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Results tagged with soft-question
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user 23571
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.
35
votes
Why do wedges of spheres often appear in combinatorics?
This is indeed a mystery. I presume the question refers to wedges of spheres of the same dimension, where there's a simple criterion (n-dimensional and (n-1)-connected, for some n). For wedges of sph …
- 20k
44
votes
Colloquial catchy statements encoding serious mathematics
"A projective module is the splittin' image of a free module."
75
votes
Periods and commas in mathematical writing
My view on this seems to be contrary to most of the other opinions expressed here. I think periods and commas in display mode are so ugly that they should never be used. Display mode is something re …