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.
Either way, Durov says that he withdrew his resignation but that he was ousted from his company anyway. Subsequently, control of the company was reportedly handed to oligarchs Alisher Usmanov and Igor Sechin, both allegedly close associates of Russian leader Vladimir Putin. Channels are not fully encrypted, end-to-end. All communications on a Telegram channel can be seen by anyone on the channel and are also visible to Telegram. Telegram may be asked by a government to hand over the communications from a channel. Telegram has a history of standing up to Russian government requests for data, but how comfortable you are relying on that history to predict future behavior is up to you. Because Telegram has this data, it may also be stolen by hackers or leaked by an internal employee. Ukrainian President Volodymyr Zelensky said in a video message on Tuesday that Ukrainian forces "destroy the invaders wherever we can." Perpetrators of such fraud use various marketing techniques to attract subscribers on their social media channels. He said that since his platform does not have the capacity to check all channels, it may restrict some in Russia and Ukraine "for the duration of the conflict," but then reversed course hours later after many users complained that Telegram was an important source of information.
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