Nkebi ahịrịokwu 1: Ọdịiche dị n'etiti Cech cohomology na sheaf cohomology bụ ihe mkpali maka iji hypercoverings: ndị a bụ ihe ndị ọzọ nwere ike karịa Cech nerve. Nkebi ahịrịokwu 2: Ọdịiche dị n'etiti Cech - Cohomology na Garben - Cohomology bụ ihe mkpali maka iji hypercoverings: ndị a bụ ihe ndị ọzọ enwere ike karịa cech - nerve. Ajụjụ: Ọ̀ bụ otu ihe ka ahịrịokwu nke mbụ na nke abụọ pụtara? Ee ma ọ bụ Ee e?
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