What's the difference between the [physics] and [mathematical-physics] tags? Are they similar enough that we shouldn't have both?
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$\begingroup$ And math.stackexchange.com/questions/1727/… doesn't need physics/mathematical-physics at all, does it? $\endgroup$– Grigory MAug 7, 2010 at 19:07
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$\begingroup$ center of mass is a physics concept, I guess. $\endgroup$– IsaacAug 7, 2010 at 20:17
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2 Answers
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Retaging all current mathematical-physics into physics should be OK, I think.
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They bring to mind different things to me. "Physics" probably means something like quantum mechanics, while mathematical-physics probably means something like Chern-Simons Theory or the 2-dimensional Ising model. Basically "Physics" means questions that are actually of interest to physicists, while "mathematical physics" is usually about mathematical results which are inspired by (but don't directly involve) physics. But given the existence of MO, I doubt there will be many "mathematical-physics" questions here that aren't "physics" and so there's probably no harm in merging. At MO I'd be against merging.
answered Aug 8, 2010 at 0:24
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$\begingroup$ Is there a discernable difference in the questions currently tagged with one versus the other? $\endgroup$– IsaacAug 8, 2010 at 1:00
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$\begingroup$ that's why I suggest retaging current mathematical-physics into physics, and not merging them — maybe we'll have real mathematical-physics some day $\endgroup$ Aug 8, 2010 at 7:55