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2-large sets are sets of Bohr recurrence, Part 2

组织者

尤瓦尔·佩雷斯 , 秦硕

演讲者

Sohail Farhangi

时间

2025年12月16日 15:15 至 16:15

地点

A3-1-101

线上

Zoom 482 240 1589 (BIMSA)

摘要

Having reviewed the background last time, this time we will give a proof of the fact that 2-large sets are sets of Bohr recurrence. In fact, we will prove a slightly stronger result involving polynomial versions of Bohr sets. Afterwards, we will give a definition of what a nilmanifold is, and consider the difficulties that arise when trying to show 2-large sets are sets of pointwise recurrence for nilmanifolds.