Here lie some notes I've written over time. I'm happy to hear about any mistakes and typos; please contact me if you catch any.

Seminars:

Hirzebruch-Zagier divisors (Research Seminar-Essen, 2024.06)

Normed Fiber Functors (Talk for the Kleine AG on 2024.04)

Bridgeland Stablity (2024.01)

Smooth base change; Künneth formula; Cycle class map (PhD Seminar-Essen, 2023.11)

Étale cohomology of schemes:

Henselian local rings

Local acyclicity

General:

A quick proof of the classification of p-adic hermitian forms