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Grassmann Algebra

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ExpTheGeneralizedProduct.nb 15<br />

B1 � ToInnerProducts�B�<br />

�Α3 � Α4 � Β2 � Β3� Α1 � Α2 � Β1 �<br />

�Α3 � Α4 � Β1 � Β3� Α1 � Α2 � Β2 � �Α3 � Α4 � Β1 � Β2� Α1 � Α2 � Β3 �<br />

�Α2 � Α4 � Β2 � Β3� Α1 � Α3 � Β1 � �Α2 � Α4 � Β1 � Β3� Α1 � Α3 � Β2 �<br />

�Α2 � Α4 � Β1 � Β2� Α1 � Α3 � Β3 � �Α2 � Α3 � Β2 � Β3� Α1 � Α4 � Β1 �<br />

�Α2 � Α3 � Β1 � Β3� Α1 � Α4 � Β2 � �Α2 � Α3 � Β1 � Β2� Α1 � Α4 � Β3 �<br />

�Α2 � Α3 � Α4 � Β3� Α1 � Β1 � Β2 � �Α2 � Α4 � Α3 � Β3� Α1 � Β1 � Β2 �<br />

�Α2 � Β3 � Α3 � Α4� Α1 � Β1 � Β2 � �Α2 � Α3 � Α4 � Β2� Α1 � Β1 � Β3 �<br />

�Α2 � Α4 � Α3 � Β2� Α1 � Β1 � Β3 � �Α2 � Β2 � Α3 � Α4� Α1 � Β1 � Β3 �<br />

�Α2 � Α3 � Α4 � Β1� Α1 � Β2 � Β3 � �Α2 � Α4 � Α3 � Β1� Α1 � Β2 � Β3 �<br />

�Α2 � Β1 � Α3 � Α4� Α1 � Β2 � Β3 � �Α1 � Α4 � Β2 � Β3� Α2 � Α3 � Β1 �<br />

�Α1 � Α4 � Β1 � Β3� Α2 � Α3 � Β2 � �Α1 � Α4 � Β1 � Β2� Α2 � Α3 � Β3 �<br />

�Α1 � Α3 � Β2 � Β3� Α2 � Α4 � Β1 � �Α1 � Α3 � Β1 � Β3� Α2 � Α4 � Β2 �<br />

�Α1 � Α3 � Β1 � Β2� Α2 � Α4 � Β3 � �Α1 � Α3 � Α4 � Β3� Α2 � Β1 � Β2 �<br />

�Α1 � Α4 � Α3 � Β3� Α2 � Β1 � Β2 � �Α1 � Β3 � Α3 � Α4� Α2 � Β1 � Β2 �<br />

�Α1 � Α3 � Α4 � Β2� Α2 � Β1 � Β3 � �Α1 � Α4 � Α3 � Β2� Α2 � Β1 � Β3 �<br />

�Α1 � Β2 � Α3 � Α4� Α2 � Β1 � Β3 � �Α1 � Α3 � Α4 � Β1� Α2 � Β2 � Β3 �<br />

�Α1 � Α4 � Α3 � Β1� Α2 � Β2 � Β3 � �Α1 � Β1 � Α3 � Α4� Α2 � Β2 � Β3 �<br />

�Α1 � Α2 � Β2 � Β3� Α3 � Α4 � Β1 � �Α1 � Α2 � Β1 � Β3� Α3 � Α4 � Β2 �<br />

�Α1 � Α2 � Β1 � Β2� Α3 � Α4 � Β3 � �Α1 � Α2 � Α4 � Β3� Α3 � Β1 � Β2 �<br />

�Α1 � Α4 � Α2 � Β3� Α3 � Β1 � Β2 � �Α1 � Β3 � Α2 � Α4� Α3 � Β1 � Β2 �<br />

�Α1 � Α2 � Α4 � Β2� Α3 � Β1 � Β3 � �Α1 � Α4 � Α2 � Β2� Α3 � Β1 � Β3 �<br />

�Α1 � Β2 � Α2 � Α4� Α3 � Β1 � Β3 � �Α1 � Α2 � Α4 � Β1� Α3 � Β2 � Β3 �<br />

�Α1 � Α4 � Α2 � Β1� Α3 � Β2 � Β3 � �Α1 � Β1 � Α2 � Α4� Α3 � Β2 � Β3 �<br />

�Α1 � Α2 � Α3 � Β3� Α4 � Β1 � Β2 � �Α1 � Α3 � Α2 � Β3� Α4 � Β1 � Β2 �<br />

�Α1 � Β3 � Α2 � Α3� Α4 � Β1 � Β2 � �Α1 � Α2 � Α3 � Β2� Α4 � Β1 � Β3 �<br />

�Α1 � Α3 � Α2 � Β2� Α4 � Β1 � Β3 � �Α1 � Β2 � Α2 � Α3� Α4 � Β1 � Β3 �<br />

�Α1 � Α2 � Α3 � Β1� Α4 � Β2 � Β3 � �Α1 � Α3 � Α2 � Β1� Α4 � Β2 � Β3 �<br />

�Α1 � Β1 � Α2 � Α3� Α4 � Β2 � Β3 � 2 �Α1 � Α2 � Α3 � Α4� Β1 � Β2 � Β3 �<br />

2 �Α1 � Α3 � Α2 � Α4� Β1 � Β2 � Β3 � 2 �Α1 � Α4 � Α2 � Α3� Β1 � Β2 � Β3<br />

By observation we can see that A1 and B1 contain some common terms. We compute the<br />

difference of the two inner product forms and collect terms with the same exterior product<br />

factor:<br />

2001 4 26

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