This question has two parts:

  1. Can someone propose a sufficiently general tag wiki for ? Click through to the tag to see what questions are currently tagged there (in particular, I am not sure how to include the one about Connes/Weil's trace formulae or the one about Galois theory). I am imagining the to contain the linear algebraic trace and its direct generalisations; I hope that is reasonable.

  2. Trace has some other meanings in mathematics; at least three others appear in Wikipedia: field trace, trace operator in analysis (which is like a restriction operator, but for restrictions of certain measurable functions to certain measure zero sets...), and trace monoid. Which of these should be included in the and which should be split off?

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    $\begingroup$ Is this not an example of tags being too specialised? Does the tag "trace" help you make a decision on whether to click on a question or not? Does it help catalogue a question or not? Perhaps the cataloguing would be useful for the linear algebra usage, but I would suspect a "no" answer would probably prevail for the others... $\endgroup$ – user1729 Sep 11 '12 at 13:31
  • $\begingroup$ The field trace, at least, is a linear algebra trace, so those are fine together. The others I haven't met so I don't know their etymology. $\endgroup$ – Ben Millwood Sep 17 '12 at 19:11
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    $\begingroup$ A recent related post: Should the PDE notion of trace be tagged with the 'trace' tag?. At the moment, tags with "trace" in the name are also (trace-map) and (field-trace). $\endgroup$ – Martin Sleziak May 11 '20 at 6:26

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