Tagging - 2019-03-24

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6:06 AM

new-tag A new tag mirror-symmetry was created by Andrews.

Q: Mathematics and Physics prerequisites for mirror symmetry

I am a physics undergrad interested in Mathematical Physics. I am more interested in the mathematical side of things, and interested to solve problems in mathematics inspired by physics maybe with the help of techniques in Physics. My current knowledge is some QFT(beginnings of QED), no string t...

A: Tag management 2019

Proposal: Create "mirror symmetry" tag mirror symmetry is already a tag in MO, and there're already several questions about it now in MSE: (1), (2), (3), (4), (5). Here is an introductory to mirror symmetry mathematically which says mirror symmetry introduces a correspondence between complex ge...

The tag-info is currently empty.

This is probably obvious, but the tag-info should clearly say what the tag is intended for. (Since many users when seeing the tag called mirror-symmetry will use it for problems related to reflections w.r.t. line/plane in geometry and not about the use in string theory, algebraic geometry and related areas.) So maybe it might be useful to suggest what the tag-excerpt and tag-wiki might look like. — Martin Sleziak 19 hours ago

@Andrews As I mentioned in my comment, creating tag-info (tag-wiki and tag-excerpt) would be useful to prevent incorrect usage of the tag.

In general, it is considered good practice that the tag creator also creates the tag-info. But in cases where the tag name might be ambiguous, this is even more important.

By the way, SEDE finds two previous occurrences of mirror-symmetry. data.stackexchange.com/math/query/927958/… and data.stackexchange.com/math/query/883845/…

In Physical interpretation of categorical structures related to Dirichlet Branes the tag was used by the OP, but later removed by Alexander Gruber.

The question Noncommutative geometry and mirror symmetry still has the tag, but the OP later deleted the question.

@AlexanderGruber Considering that you have removed an older occurrence of the tag, I wanted to make sure that you are aware of the discussion about mirror-symmetry on meta - just in case you have something to say about it.

Q: tqft or topological-quantum-field-theory? Which one to keep?

A fairly new member of our MSE community, namely the user Andrews, started to reshape our own physical questions fundamentally basically by retagging them in an appropriate manner. Another recently posted Meta question of his own deals in more detail with his aim. I appreciate his effort and it i...

discussion tagging tag-management

A: Tag management 2019

Proposal: rename "topological-quantum-field-theory" to "topological-quantum-field-theories" and synonymise it with the tag "tqft" An old question of mine recently had a couple of attempts to change the tags, which were approved (and I agree). In the process, the new tag topological-quantum-field...

Speaking of tags related to mathematical physics, I'll mention that now there is a synonym tqft $\to$ topological-quantum-field-theory. math.stackexchange.com/tags/topological-quantum-field-theory/… math.stackexchange.com/tags/synonyms

2 hours later…

Andrews

8:54 AM

I edit a question to create mirror-symmetry but it need 2 approval and I went to sleep till now, so I wasn't able to create tag info immediately after creating that tag.

I'll do that soon.

Q: Some ideas on tags about physical field theory

Update: For (1), I have edited info of field-theory. For (2), moderator Alexander Gruber♦ has created a synonym and contributor YuiTo Cheng improved info of tqft. For (3), contributor YuiTo Cheng added info and usage of conformal-field-theory. For (5), I have edited info of mathematical-physi...

discussion tagging

Thanks, I realized the synonym, and there're some other changes in tags about physical field theory, as I mentioned in Update of this question.

Martin Sleziak

> (5) About mathematical-physics, this tag is wrongly used in many elementary physical questions and I deleted a lot of this tag these days, my thoughts are here. Maybe we should explain more in usage guidance.

In connection with (5), perhaps adding a warning for this tag might be useful: Do we want tag warnings, and for which tags? (I'll leave the the people who are active in the (mathematical-physics) tag to decide whether to post a suggestion for a tag-warning in the linked thread.) — Martin Sleziak 11 secs ago

BTW the effort to distinguish physics and mathematical-physics seems to be a recurrent topic on meta: Is it possible to make the wikis for the tags “physics” and “mathematical-physics”, clearer and more distinctive, Troublesome Physics tag, Similar tag descriptions for (physics) and (mathematical-physics), etc.

@Andrews Sorry, I did not realize that it was a suggested edit rather than a direct edit. I should have noticed that.

Andrews

9:11 AM

Thanks, I'm thinking how to make info of [mathematical-physics] better to decrease misunderstading

6 hours later…

Martin Sleziak

2:58 PM

The tag mirror-symmetry now has tag-excerpt and tag-wiki - created by Andrews.

4 hours later…

Andrews

7:11 PM

I found a rather old tag faq, and nearly nobody use it now.

And online-resources is becoming replaced by reference-request now...

Andrews

7:31 PM

No tag-wiki and tag-excerpt for [singularity-theory], I seldom see this tag and don't know much about that.

It's singularity-theory

About invariance, the info says"A property of an object is called invariant if, given some steps that alter the object, always remains, no matter what steps are used in what order. ", I think it's not clear and there're many different kinds of invariants in different fields of mathematics so it may not be a good idea to use one tag to cover them all.

legendre-symbol usage says "For questions involving the Legendre symbol", I don't think it's appropriate to tag just because a question involving a mathematical symbol, and I don't think it's a good tag.

About linear-pde, although there're a lot difference between linear pde and nonlinear pde, this tag is much less used(189 times) compared to pde(~14k), and 156 out of 189 also tagged pde, so I doubt if this tag is necessary enough. By the way, there're no such tag for nonlinear pde.

I see a post about wrong use of complex-geometry, and in that post he suggest rename it to complex-manifold. Now we have 2 tags, complex-geometry and complex-manifold, maybe we should suggest a synonym?

singularvalues should be singular-values and it has no tag wiki and usage guidance yet.

Sorry for pouring so much words. Is that OK in a chat room?

Feeds

8:45 PM

-1

A: Tag management 2019

Proposal: Create new tag for "Algebraic Equations" There are many types of equations that one could desire help in solving such as linear system of equations, polynomial zeros, equations requiring numerical methods, exponential equations, trigonometric equations, etc. I see in most cases that t...