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Точки и прямые можно двигать! А прошедшие сквозь геометрию Лобачевского до конца сюжета смогут построить свой гиперболический калейдоскоп!
Приятно преподнести этот красивый подарок всем, urbi et orbi, в день 25-летнего юбилея глубокого математика и удивительного человека, деятельно участвующего в жизни нашей лаборатории популяризации и пропаганды математики Математического института им. В.А. Стеклова РАН.
Точки и прямые можно двигать! А прошедшие сквозь геометрию Лобачевского до конца сюжета смогут построить свой гиперболический калейдоскоп!
Приятно преподнести этот красивый подарок всем, urbi et orbi, в день 25-летнего юбилея глубокого математика и удивительного человека, деятельно участвующего в жизни нашей лаборатории популяризации и пропаганды математики Математического института им. В.А. Стеклова РАН.
"He has kind of an old-school cyber-libertarian world view where technology is there to set you free," Maréchal said. The S&P 500 fell 1.3% to 4,204.36, and the Dow Jones Industrial Average was down 0.7% to 32,943.33. The Dow posted a fifth straight weekly loss — its longest losing streak since 2019. The Nasdaq Composite tumbled 2.2% to 12,843.81. Though all three indexes opened in the green, stocks took a turn after a new report showed U.S. consumer sentiment deteriorated more than expected in early March as consumers' inflation expectations soared to the highest since 1981. The Securities and Exchange Board of India (Sebi) had carried out a similar exercise in 2017 in a matter related to circulation of messages through WhatsApp. Since January 2022, the SC has received a total of 47 complaints and enquiries on illegal investment schemes promoted through Telegram. These fraudulent schemes offer non-existent investment opportunities, promising very attractive and risk-free returns within a short span of time. They commonly offer unrealistic returns of as high as 1,000% within 24 hours or even within a few hours. Despite Telegram's origins, its approach to users' security has privacy advocates worried.
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