A captcha problem

Hmm. Think it would cope with \( M_2(\mathbb{Z})\tilde m \)? Or $M_2(\mathbb{Z})\tilde m$? Or just plain M_2(\mathbb{Z})\tilde m? In principle it might, since recaptcha is crowd-sourced; if I came up with the same LaTeX representation all previous recaptcha users had, all would be fine...
on Friday, September 23, 2011
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1 comments:

mvc said...

I had one in the Hebrew alphabet once (since these are old books I'm guessing it was in Yiddish). Of course I just clicked 'reload' -- hopefully their algorithms recognize captcha's that no-one's willing to attempt, and reject them from their queue.

September 24, 2011 12:06 AM

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