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1. • CommentRowNumber1.
   • CommentAuthorUrs
   • CommentTimeMar 25th 2014
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   Author: Urs
   Format: MarkdownItexI have added to _[[K-orientation]]_ pointers to the articles by Atiyah-Bott-Shapiro and to Joachim (2004), together with a brief paragraph.

   I have added to K-orientation pointers to the articles by Atiyah-Bott-Shapiro and to Joachim (2004), together with a brief paragraph.

2. • CommentRowNumber2.
   • CommentAuthorUrs
   • CommentTimeMar 26th 2014
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   Author: Urs
   Format: MarkdownItexadded the expression of the characteristic series of the [[A-hat genus]] in terms of the Benoulli numbers to _[[A-hat genus]]_ and to _[[genus]]_.

   added the expression of the characteristic series of the A-hat genus in terms of the Benoulli numbers to A-hat genus and to genus.