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    • CommentRowNumber1.
    • CommentAuthorUrs
    • CommentTimeDec 15th 2016

    gave geometric algebra an Idea-section

    • CommentRowNumber2.
    • CommentAuthorDavid_Corfield
    • CommentTimeDec 15th 2016

    That prompted a trip back to your discussion of geometric algebra, including lengthy extracts from Clifford algebra and the interpretation of quantum mechanics (pdf) and the claim

    the electron is a quaternion

    Further back you were helping us visualise the superstring.

    • CommentRowNumber3.
    • CommentAuthorTim_Porter
    • CommentTimeDec 15th 2016

    Remember that Geometric Algebra was also the title of a lovely book by Emil Artin. It introduces Clifford algebras around page 190

    • CommentRowNumber4.
    • CommentAuthorDexter Chua
    • CommentTimeDec 22nd 2016

    It appears that there is also a page Geometric Algebra with very similar content.

    • CommentRowNumber5.
    • CommentAuthorTobyBartels
    • CommentTimeDec 22nd 2016

    @Dexter: In principle, a page with that title ought to be about Artin's book.

    • CommentRowNumber6.
    • CommentAuthorUrs
    • CommentTimeDec 23rd 2016

    Thanks. I have fixed it now. Added disambiguation lines and made “Geometric Algebra” a stub for a category:reference page.

    • CommentRowNumber7.
    • CommentAuthorUrs
    • CommentTimeMay 16th 2019
    • (edited May 16th 2019)

    added pointer to

    • Chis Doran, Geometric Algebra and its Application to Mathematical Physics, 1994 (pdf)

    diff, v3, current

  1. Scalars in geometric algebra are real numbers making geometric algebra the real Clifford algebra.


    diff, v4, current

    • CommentRowNumber9.
    • CommentAuthorUrs
    • CommentTimeApr 18th 2020

    I have reverted and adjusted my original wording by mentioning real numbers as a ground field. (We really can’t claim that “geometric algebra is s subfield of Clifford algebra. It’s just playing with Clifford algebra in an ideosyncratic way.)

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