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Vanilla 1.1.10 is a product of Lussumo. More Information: Documentation, Community Support.

• CommentRowNumber1.
• CommentAuthorUrs
• CommentTimeAug 25th 2019

for completeness in view of the other real normed division algebras, I added statement of the automorphism group

• CommentRowNumber2.
• CommentAuthorTodd_Trimble
• CommentTimeAug 25th 2019

Added further remarks on the number of automorphisms.

• CommentRowNumber3.
• CommentAuthorDavidRoberts
• CommentTimeAug 25th 2019

2-dimensional normed division algebra over $\mathbb{R}$.