Расмотрим двумерный симплициальный комплекс на множестве вершин {0,1,...,40}: нужно провести все ребра, а затем вклеить те треугольники {i,j,k}, для которых i+j+k = 0, 1 или 3 (mod 41).
Ни за что не угадаете, какие у него первые гомологии
Расмотрим двумерный симплициальный комплекс на множестве вершин {0,1,...,40}: нужно провести все ребра, а затем вклеить те треугольники {i,j,k}, для которых i+j+k = 0, 1 или 3 (mod 41).
Ни за что не угадаете, какие у него первые гомологии
BY сладко стянул
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