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notation

half the first Betti number of $ \Sigma$
$\displaystyle \frac{1}{2}\dim H^1(\Sigma\,;\mathbb{Q})\quad,$

If i click on Betti number is get that the homology group
is denoted by
H_{1}(\Sigma\,;\mathbb{Q})

can you change yours to match?

Also, PM lacks any definition of surface. Your entry defines it
but does not have in the defines list. can it be added?
Actually i would perfer a totally separate entry for just
surface. Care to add it?

Parting words from the person who closed the correction: 
> half the first Betti number of $ \Sigma$ > $\displaystyle \frac{1}{2}\dim H^1(\Sigma\,;\mathbb{Q})\quad,$ > If i click on Betti number is get that the homology group > is denoted by > H_{1}(\Sigma\,;\mathbb{Q}) Yes the the first homology group is de
Status: Rejected
Reference to the user who closed the correction.: 
Reference to the article this correction is about: 
Status of the article (was it accepted?): 
0
Status of the article (is it closed?): 
1
What kind of correction is this: 
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