fjodorфёдор

hi. did my bachelor's at LMU and my master's at TUM, both in maths. now a founding engineer at OSM, building DeQL.

will happily spend a weekend saving two keystrokes, hence using nixos, nvim, niri, a custom binary-patched chrome (to replace the builtin shortcuts), vimium etc.

github · twitter · codeforces · linkedin · [email protected]

papers

• DeQL: A Decision Query Language for Prescriptive Analytics over Relational Data (arXiv 2026)
• Decisionhouse: Prescriptive Analytics in the Data Stack (PVLDB 2026)
• DeQL Studio: Declarative Decision-Making over Relational Data (PVLDB 2026)

a riddle for ya

make $24$ from $2,3,5,12$, using each number exactly once and only $+,-,\times ,÷$ and brackets.