CLIFFORD AND GRASSMANN HOPF ALGEBRAS VIA THE ...

[16] Milnor, J.M., and Moore, J.C.: On the structure of Hopf algebras, Annals of
Mathematics 81 (1965) 211–264
[17] Oziewicz, Z.: The Dirac operator as graph and the Clifford Hopf-gebra, in
Analysis of Dirac Operators, J. Ryan, and D. Struppa, eds. (Pitman, Research
Notes in Mathematics) 394 (Addison Wesley Longman Limited, Harlow, Essex,
1998)
[18] Oziewicz, Z.: Guest editor’s note: Clifford algebras and their applications,
International Journal of Theoretical Physics 40(1) (2001) 1–13
[19] Oziewicz, Z.: Operad of graphs, convolution and Hopf gebra, Contemporary
Mathematics 318 (2003) 175–197
[20] Rota, G.-C., and Stein, J.A.: Plethystic Hopf algebras, Proc. Natl. Acad. Sci.
USA 91 (1994) 13057–13061
[21] Sweedler, M.E.: Hopf Algebras (W. A. Benjamin, Inc., New York, 1969)
[22] Wright, F.: Computing with Maple (Chapman & Hall/CRC, Boca Raton, 2002)
Submitted: August 17, 2004; Revised: TBA.
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