Spin structure Spinor Spinor bundle Notes References Sources , section IX.9. Carnahan, S. Borcherds Seminar Notes, Uncut. Week 5, "Spinors and Clifford Algebras". . An advanced textbook on Clifford algebras and their applications to differential geometry. ; ibid II (1883) 46; ibid III (1884) 7–9. Summarized in The Collected Mathematics Papers of James Joseph Sylvester (Cambridge University Press, 1909) v III. online and further. Further reading External links Planetmath entry on Clifford algebras A history of Clifford algebras (unverified) John Baez on Clifford algebras Clifford Algebra: A Visual Introduction Ring theory Quadratic forms