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BibTeX loses capitals when creating .bbl file

I have a .bib file and I'm using JabRef to edit it.

Its content is

% This file was created with JabRef 2.7b.
% Encoding: UTF-8

@ARTICLE{adem,
  author = {Alejandro Adem and William Browder},
  title = {The free rank of symmetry of $(S^n)^k$},
  journal = {Inventiones Mathematicae},
  year = {1988},
  volume = {92},
  pages = {431--440}
}

but when I run bibtex and compile my file the title is strange since the math symbols were shown in lower case. Instead of The free rank of symmetry of $(S^n)^k$ it shows The free rank of symmetry of $(s^n)^k$ (note the small s).

I'm using \bibliographystyle{plain}.

Any help?

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marked as duplicate by Kurt, Werner, Heiko Oberdiek, Thorsten, Stefan Kottwitz Dec 13 '12 at 6:32

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

1 Answer

up vote 2 down vote accepted

The bibliography style you are using sets only the first letter of a title in uppercase and converts everything else to lowercase.
To protect parts of a title from this, encase them in curly brackets {} in the .bib file, e.g.

@ARTICLE{adem,
  author = {Alejandro Adem and William Browder},
  title = {The free rank of symmetry of {$(S^n)^k$}},
  journal = {Inventiones Mathematicae},
  year = {1988},
  volume = {92},
  pages = {431--440}
}
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Ow, I can't believe. It works!! But I'll spend my whole vacation inserting braces on all my hundreds references... –  Sigur Dec 13 '12 at 0:19
    
Is it possible to use some style which does not change the cases? –  Sigur Dec 13 '12 at 0:20
1  
Once you know what you are looking for, a simple google search will get you started. –  Andreas Dec 13 '12 at 0:28
1  
You don't have to make one yourself, search for other people's bst files. –  Andreas Dec 13 '12 at 0:31
2  
Also, have a look at this previous TeX.SX question. –  Andreas Dec 13 '12 at 0:33
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