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=== What is $$F_A$$ geometrically? === | === What is $$F_A$$ geometrically? === | ||
[https://en.wikipedia.org/wiki/Atiyah%E2%80%93Singer_index_theorem Atiyah-Singer index theorem] | |||
=== What are $$R_{\mu v}$$ and $$R$$ geometrically? === | === What are $$R_{\mu v}$$ and $$R$$ geometrically? === | ||
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=== How do they relate? === | === How do they relate? === | ||
[https://en.wikipedia.org/wiki/Cohomology | [https://en.wikipedia.org/wiki/Cohomology Cohomologhy] | ||
=== What does this have to do with Penrose Stairs? === | === What does this have to do with Penrose Stairs? === |