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Line 24: :'''H'''''P''<sup>''n''</sup>/''U''(1) may be taken, writing [[U(1)]] for the [[circle group]]. It has been shown that this quotient is the 7-[[sphere]], a result of [[Vladimir Arnold]] from 1996, later rediscovered by [[Edward Witten]] and [[Michael Atiyah]]. [[Category:Projective geometry]][[Category:Homogeneous spaces]][[Category:Quaternions]]

Quaternionic projective space: Difference between revisions