в «Математических байках» сегодня видео выше вошло в небольшую прогулку, которая начинается со скатерти Улама и многочлена n²+n+41, а дальше включает в себя разговор про exp(π sqrt(163)), единственность разложения на множители в разных кольцах, j-инвариант, ряды Эйзенштейна, Monstrous Moonshine
в «Математических байках» сегодня видео выше вошло в небольшую прогулку, которая начинается со скатерти Улама и многочлена n²+n+41, а дальше включает в себя разговор про exp(π sqrt(163)), единственность разложения на множители в разных кольцах, j-инвариант, ряды Эйзенштейна, Monstrous Moonshine
BY Непрерывное математическое образование
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You may recall that, back when Facebook started changing WhatsApp’s terms of service, a number of news outlets reported on, and even recommended, switching to Telegram. Pavel Durov even said that users should delete WhatsApp “unless you are cool with all of your photos and messages becoming public one day.” But Telegram can’t be described as a more-secure version of WhatsApp. The regulator said it had received information that messages containing stock tips and other investment advice with respect to selected listed companies are being widely circulated through websites and social media platforms such as Telegram, Facebook, WhatsApp and Instagram. At its heart, Telegram is little more than a messaging app like WhatsApp or Signal. But it also offers open channels that enable a single user, or a group of users, to communicate with large numbers in a method similar to a Twitter account. This has proven to be both a blessing and a curse for Telegram and its users, since these channels can be used for both good and ill. Right now, as Wired reports, the app is a key way for Ukrainians to receive updates from the government during the invasion. Telegram boasts 500 million users, who share information individually and in groups in relative security. But Telegram's use as a one-way broadcast channel — which followers can join but not reply to — means content from inauthentic accounts can easily reach large, captive and eager audiences. So, uh, whenever I hear about Telegram, it’s always in relation to something bad. What gives?
from br
