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• 12:41, 1 December 2023 Verbovet talk contribs created page Seminar talk, 13 December 2023 (Created page with "{{Talk | speaker = Yagub Aliyev | title = Apollonius problem and caustics of an ellipsoid | abstract = In the talk we discuss Apollonius Problem on the number of normals of an ellipse passing through a given point. It is known that the number is dependent on the position of the given point with respect to a certain astroida. The intersection points of the astroida and the ellipse are used to study the case when the given point is on the ellipse. The problem is then gener...")