题目：Euclidean volumes of hyperbolic knots
报告人：Nikolay Abrosimov（索伯列夫数学研究所）
时间：5月30日（星期二），14:00-15:00
地点：明德楼B201-1
摘要：The hyperbolic structure on a 3-dimensional cone-manifold with a knot as singularity can often be deformed into a limiting Euclidean structure. In the present work, we show that the respective normalised Euclidean volume is always an algebraic number, which is reminiscent of Sabitov's theorem (the Bellows Conjecture). This fact also stands in contrast to hyperbolic volumes whose number--theoretic nature is usually quite complicated. This is our joint work with Alexander Kolpakov and Alexander Mednykh.
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