= Evgueni Tevelev
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Evgueni Tevelev authored a study of <projective dual varieties>, which encode the tangent hyperplanes of a <projective variety>. His account develops reflexivity, contact loci and links with <discriminants> and <secant varieties>. The viewpoint turns tangency into a new geometric object, allowing properties of the original variety to be studied through its family of tangent hyperplanes.<Projectively Dual Varieties by Evgueni Tevelev>[Abstract and Section 1.2]{ref}
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