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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Founder Pavel Durov says tech is meant to set you free At this point, however, Durov had already been working on Telegram with his brother, and further planned a mobile-first social network with an explicit focus on anti-censorship. Later in April, he told TechCrunch that he had left Russia and had “no plans to go back,” saying that the nation was currently “incompatible with internet business at the moment.” He added later that he was looking for a country that matched his libertarian ideals to base his next startup. Elsewhere, version 8.6 of Telegram integrates the in-app camera option into the gallery, while a new navigation bar gives quick access to photos, files, location sharing, and more. "Russians are really disconnected from the reality of what happening to their country," Andrey said. "So Telegram has become essential for understanding what's going on to the Russian-speaking world." In the United States, Telegram's lower public profile has helped it mostly avoid high level scrutiny from Congress, but it has not gone unnoticed.
from ms
