# Notation used for H in Hyperbolid geomtry metric

This is suppose to be understood as $H_2^2$

Taken from the full equation :

Can anyone please give some information on the notation ( and possibly latex ) for the notation used for $H$?

Thank you

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Apart from the plain $H$ you have $\mathcal H$ (\mathcal) and $\mathscr H$ (\mathscr), and of course $\mathbf H$ (\mathbf), $\mathsf H$ (\mathsf) and $\mathfrak H$ (\mathfrak). –  Asaf Karagila Feb 5 '13 at 22:20
@AsafKaragila : Which one is the one used here? \mathcal ? –  Arjang Feb 5 '13 at 22:22
Possibly. I am unfamiliar with this notation, I just wanted to give you the available options in hope it will somehow help. –  Asaf Karagila Feb 5 '13 at 22:23
@AsafKaragila : yes, I was only aware of \mathbb all the above are new for me, thank you. –  Arjang Feb 5 '13 at 22:26
Oh yeah, I forgot about $\mathbb H$ (\mathbb). I knew I left one of them out!! –  Asaf Karagila Feb 5 '13 at 22:28