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Questions about mathematics which don't fall into the other arXiv categories. If you have a general question about mathematics but it is not research level, it's off-topic but it might be welcomed on Mathematics Stack Exchange.
9
votes
Dimensional Analysis in Mathematics
Dimensional analysis can be viewed as the study of graded objects in algebra. The grading then corresponds to "counting the units" in a precise way. There are of course many examples and I believe tha …
13
votes
When should a supervisor be a co-author?
well, that depends :)
For my own students I usually do not insist on being a coauthor. However, in most cases it just happens that one works together on a project which, by accident, is the thesis of …