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И если мы обведём маленькую (по сравнению с длиной рукояти) кривую, ограничивающую площадь S, то топор вернётся не в исходное положение, а повернётся на какой-то угол. И угол этого поворота примерно равен S/L^2, где L — длина топорища!
Image credit: Mark Levi and Serge Tabachnikov, On bicycle tire tracks geometry, hatchet planimeter, Menzin’s conjecture and oscillation of unicycle tracks, Experiment. Math.18:2 (2009), pp. 173-186; цветная версия иллюстрации из препринта: https://arxiv.org/abs/0801.4396 .
И если мы обведём маленькую (по сравнению с длиной рукояти) кривую, ограничивающую площадь S, то топор вернётся не в исходное положение, а повернётся на какой-то угол. И угол этого поворота примерно равен S/L^2, где L — длина топорища!
Image credit: Mark Levi and Serge Tabachnikov, On bicycle tire tracks geometry, hatchet planimeter, Menzin’s conjecture and oscillation of unicycle tracks, Experiment. Math.18:2 (2009), pp. 173-186; цветная версия иллюстрации из препринта: https://arxiv.org/abs/0801.4396 .
The channel appears to be part of the broader information war that has developed following Russia's invasion of Ukraine. The Kremlin has paid Russian TikTok influencers to push propaganda, according to a Vice News investigation, while ProPublica found that fake Russian fact check videos had been viewed over a million times on Telegram. The regulator said it has been undertaking several campaigns to educate the investors to be vigilant while taking investment decisions based on stock tips. And while money initially moved into stocks in the morning, capital moved out of safe-haven assets. The price of the 10-year Treasury note fell Friday, sending its yield up to 2% from a March closing low of 1.73%. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. The SC urges the public to refer to the SC’s I nvestor Alert List before investing. The list contains details of unauthorised websites, investment products, companies and individuals. Members of the public who suspect that they have been approached by unauthorised firms or individuals offering schemes that promise unrealistic returns
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