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## Main Question or Discussion Point

Hello,

Physicists have formulated a "Calabi-Yau space", to show the supplementary dimensions in the string theory. But this space have six dimensions, and the M theory, the presentest string theory, have seven supplementary dimensions...

So, what is this Calabi-Yau space in the string theory today ? Is she still using ?

The hermit

Physicists have formulated a "Calabi-Yau space", to show the supplementary dimensions in the string theory. But this space have six dimensions, and the M theory, the presentest string theory, have seven supplementary dimensions...

So, what is this Calabi-Yau space in the string theory today ? Is she still using ?

The hermit

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