High Quality Content by WIKIPEDIA articles! In mathematics, a Kakeya set, or Besicovitch set, is any set of points in Euclidean space which contains a unit line segment in every direction. While many types of objects satisfy this property, several interesting results and questions are motivated by considering how small such sets can be. Besicovitch showed that there are Besicovitch sets of measure zero. A Kakeya needle set (sometimes also known as a Kakeya set) is a (Besicovitch) set within...
High Quality Content by WIKIPEDIA articles! In mathematics, a Kakeya set, or Besicovitch set, is any set of points in Euclidean space which contains a unit line segment in every direction. While many types of objects satisfy this property, several interesting results and questions are motivated by considering how small such sets can be. Besicovitch showed that there are Besicovitch sets of measure zero. A Kakeya needle set (sometimes also known as a Kakeya set) is a (Besicovitch) set within which a unit line segment can be rotated continuously through 180 degrees, returning to its original position with reversed orientation. Besicovitch showed that there are Kakeya needle sets of arbitrarily small positive measure.
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Олег Демидов (р. 1989) — поэт, критик, литературовед, преподаватель Лицея НИУ ВШЭ. Много лет занимается исследованием жизни и творчества Анатолия Мариенгофа и других имажинистов. Составитель и комментатор собраний сочинений Анатолия Мариенгофа (2013) и Ивана Грузинова (2016). Анатолий Мариенгоф (1897–1962) — один из самых ярких писателей-модернистов, близкий друг Сергея Есенина и автор скандальных мемуаров о нём —...
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