Raphael Appenzeller

Raphael Appenzeller

I am a PhD-student at ETH Z├╝rich under the supervision of Marc Burger.

Contact me under:
raphael.ap­penzeller­@math.et­hz.ch

I like geometry. I like to create and look at models of mathematical objects. I like to imagine living in four-dimensional space and/or the hyperbolic plane. My research is about things with negative curvature. In particular I look at connections between symmetric spaces and combinatorial objects called buildings.

As an example you can look at my Bachelor Thesis on non-Archimedean hyperbolic planes and trees.

Sometimes I like to create silly things. Here are some of them (very unpolished):