Ahịrịokwu 1: Nke a na-agwa anyị na usoro 4 isomorphic cohomology groups bụ DeRhams niile. Nkebi ahịrịokwu 2: Nke a na-agwa anyị na ndị de-Rham cohomology ìgwè usoro _ 4 niile bụ isomorphic. Ajụjụ: Ọ̀ bụ otu ihe ka ahịrịokwu nke mbụ na nke abụọ pụtara? Ee ma ọ bụ Ee e?
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