On 23 June 2026, the Mathematisches Seminar der Universität Hamburg hosted its first Chern-Vorlesung. The lecture was given by Qiuyu Ren, who completed his PhD at UC Berkeley in 2026 and is an incoming Clay Research Fellow at Stanford. In his talk, entitled "Khovanov skein lasagna modules and exotic 4-manifolds", Ren...

The sixth edition of „Topology between the waves (TBTW)” was held in Fréjus, France, on May 10 – 15, 2026. Every year, the TBTW workshop series brings together young researchers to spend one week studying and presenting a topic in low-dimensional and quantum topology. The title of the 2026 edition was „The Volume...

On June 1 and 2 the workshop on Categorification in Functional Analysis took place at Geomatikum. It brought together about 35 researchers from all over Europe and with a wide range of interests and expertise to talk about new developments connecting functional analysis with homological and higher categorical methods.

The...