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Natural Science Forum / Physics / General Physics / July 2008What is this symbol?
Ok... I realize I'm being really lame, but... it looks like a half height upper case "L", and one example is found in the last line of the first section of http://en.wikipedia.org/wiki/Interior_product though I feel I've seen it elsewhere. What is it called, and what does it mean? > Ok... I realize I'm being really lame, but... > [quoted text clipped - 6 lines] > > What is it called, and what does it mean? Probably "orthonormal" > Ok... I realize I'm being really lame, but... > [quoted text clipped - 6 lines] > > What is it called, and what does it mean? Script L. It means nothing by itself , I most frequently see it used to refer to a Lagrange density. > Ok... I realize I'm being really lame, but... > [quoted text clipped - 6 lines] > > What is it called, and what does it mean? Interior product symbol? See Unicode character 2A3D at http://www.unicode.org/charts/PDF/U2A00.pdf > > Ok... I realize I'm being really lame, but... > [quoted text clipped - 8 lines] > > Interior product symbol? Well, that would make sense, in context. :-) Maybe I'm supposed to read its first appearance on that page as "this is an alternate symbol used to write the interior product", vs. "the interior product can be alternatively written via this symbol, which you are expected to damn well be familiar with already, silly man". > See Unicode character 2A3D at http://www.unicode.org/charts/PDF/U2A00.pdf As an aside I recently switched to Firefox from IE because, even with Unicode checked, IE rendered some Unicode symbols, like "set inclusion", as boxes. | Ok... I realize I'm being really lame, but... | [quoted text clipped - 6 lines] | | What is it called, and what does it mean? It's called a right-angle and it means a left angle or corner. You may have seen one at the vertex of a door or window -- or even a street. > Ok... I realize I'm being really lame, but... > [quoted text clipped - 6 lines] > > What is it called, and what does it mean? Normally I'd say "right angle", as in Unicode character 221F: http://www.unicode.org/charts/PDF/U2200.pdf But the source you cite refers to aspects of tensor calculus that transcend my chemist's understanding. From the context it would appear that it is used in an alternative notation for the interior product of omega with respect to X. Tom Davidson Richmond, VA >Normally I'd say "right angle", as in Unicode character 221F: >http://www.unicode.org/charts/PDF/U2200.pdf Or could it be U231E? They look very similar, and the Unicode descriptive name of neither one suggests this usage for a mathematical product. >> Normally I'd say "right angle", as in Unicode character 221F: >> http://www.unicode.org/charts/PDF/U2200.pdf > > Or could it be U231E? They look very similar, and the Unicode descriptive name > of neither one suggests this usage for a mathematical product. Typo? Does the text have an errata sheet? /BAH > > In article <ae8887b1-3e9b-4e0e-84a3-30b75986c...@z66g2000hsc.googlegroups.com>, > > tadchem says... [quoted text clipped - 7 lines] > > /BAH U231E is in another document: http://www.unicode.org/charts/PDF/U2300.pdf Tom Davidson Richmond, VA >>> In article <ae8887b1-3e9b-4e0e-84a3-30b75986c...@z66g2000hsc.googlegroups.com>, >>> tadchem says... [quoted text clipped - 8 lines] > U231E is in another document: > http://www.unicode.org/charts/PDF/U2300.pdf OK. Just thought I'd ask ;-). /BAH |
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