Classification of Division Algebras

Continuing Integer Sequences

Fundamental Adjunctions

Magmas, Loops and Monoids

Motivic Cell Structure of Toric Surfaces

Białynicki-Birula and Motivic Decompositions

All these fundamental groups!

Homotopy Theory of Proofs?

Feynman Graphs and Motives

From the Backlog 2010

Invariants of projective space III: Motives

Invariants of projective space II: Cycles and Bundles

Invariants of projective space I: Cohomology

Divisorial Jungle

Model structures on simplicial presheaves

Get your own LaTeX-enabled wiki in the cloud with Instiki on Heroku

What's a point of this?

Cellular objects in the motivic model category

Cellular objects: CW complexes

Model categories

Homotopy limits

What is ... a vector bundle?

An arrow notation for annotations

Talks from the Academic Year 2011/2012

Lagrange and the Supernaturals

Some Interesting Rings

Bordism and Cobordism

A¹-fundamental groups of isotropic groups

What is ... a reductive group?

Universal coverings of simplicial groups

Thom spaces

From the Langlands Correspondence for Function Fields to the Geometric Langlands Correspondence II

From the Langlands Correspondence for Function Fields to the Geometric Langlands Correspondence I

Mathematics Resources

The four functors of Grothendieck in examples

Is it possible to prove Serre's Problem (the Quillen-Suslin theorem) via Motivic Homotopy Theory?

Mindmap on complex analysis in one variable

Properties of Scheme Morphisms

Essential manifolds

Aspherical manifolds

Diploma thesis (in german)

Diploma thesis abstract

Some old talk notes

Flat modules

Informationstheorie

ICTP Summer School and Conference on Hodge Theory

Mass renaming papers with BibTex+JabRef export filters

Talk notes on Bott periodicity (in german)

A manifold whose functions are the smooth functions on the real line with rational period

Found on MathOverflow

Beautiful new geometry videos

Video: Some important themes in geometry

Math 2.0

Managing papers

Haar measure in different settings

Gute Mathematik Skripten und Bücher

Some nice introductory/expository papers

Trennungsaxiome