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I realize similar questions have been asked before but I am not satisfied with any of the answers I've seen. I would like to use the Cyrillic letter Ш to denote a particular group in mathematics. Most solutions involve using OT2 or T2A encoding; for example, at http://math.berkeley.edu/~vojta/tex/samp-l/sha.html. However, this makes the other text in the document look bad.

For example, using the solution above, I get

enter image description here

while I would like to have

enter image description here

The first seems to be shaded strangely and the characters don't seem to align right.

Does anyone know how I can write the character Ш (in math mode) without changing the default font for the rest of the text?

  • Welcome to TeX.SX! Did you see tex.stackexchange.com/questions/14633/…? The "shading" is probably due to the fact that you don't have the Type1 Cyrillic font. What TeX distribution are you using? – egreg Jul 19 '13 at 20:13
  • @egreg Hi egreg, I did see that but I'm not completely satisfied. I would really like to use the default text, and the code there changes it to something quite like the first image. I am using MikTeX 2.9. Thank you! – user33931 Jul 19 '13 at 20:17
  • The quality of the image is not really good. Can you add a minimal example of code? – egreg Jul 19 '13 at 20:18
  • @egreg I am using the code from math.berkeley.edu/~vojta/tex/samp-l/sha.html – user33931 Jul 19 '13 at 20:20
  • I don't see any blurring or "shading", both with Vojta's code and mine. Did you install the CM-Super package (for the T2A solution)? I really don't know what MiKTeX package provides the Type1 fonts for OT2. – egreg Jul 19 '13 at 20:27
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for someone who wants to use just one or two cyrillic letters in math, in a computer modern setting, the old wncy fonts are still distributed in tex live as part of the amsfonts collection, in type 1 format. (but they don't require use of the amsfonts package.)

this is the recommendation in the ams author faq.

I want to use some cyrillic letters for math variables, but there isn't any LaTeX support for cyrillic in the AMSfonts packages. How do I do it?

The following four lines will load the upright cyrillic font and define \Sh to access the letter "Sha".

    \DeclareFontFamily{U}{wncy}{}
    \DeclareFontShape{U}{wncy}{m}{n}{<->wncyr10}{}
    \DeclareSymbolFont{mcy}{U}{wncy}{m}{n}
    \DeclareMathSymbol{\Sh}{\mathord}{mcy}{"58} 

The location of a cyrillic letter in the wncyr font can be found by looking at the chart in the AMSFonts User's Guide or at a font chart created by TeXing the file testfont.tex (included in every TeX system).

the user's guide can be accessed with texdoc amsfonts or texdoc amsfndoc.

  • This is exactly what's done in math.berkeley.edu/~vojta/tex/samp-l/sha.html that the OP linked, with the only difference that the U encoding is used instead of OT2. – egreg Jul 20 '13 at 7:06
  • 3
    @egreg -- true, but this doesn't require fontenc. (some of us still live and work in the "dark ages".) – barbara beeton Jul 20 '13 at 13:41

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