Kuhkubus

Spiegel Online reports today (Escher in 3D) on work of Alexander Gürten from the contest Math Creations. It is about bulls tesselating Euclidean space. Have a look at the linked video:

What’s new on the ArXiv: A rank-one CAT(0) group is determined by its Morse boundary

In this series we will introduce and discuss new preprints that are somehow related to the topics of the programme “Geometry at Infinity”. By incidence, this first article fits not only the topic, but also the title of this blog: the boundary at infinity. Charney, Murray: A rank-one CAT(0) group is determined by its Morse … Continue reading "What’s new on the ArXiv: A rank-one CAT(0) group is determined by its Morse boundary"

First blog post

This blog will eventually be integrated into the website of the DFG priority programme “Geometry at Infinity“. It will discuss all kind of things that might be of potential interest to the users of that website. If you’d like to contribute some shorter or longer article, just send it unformatted or formatted to the e-mail … Continue reading "First blog post"