8 December 2025

BARC welcomes Jacobus Conradi

Staff News

BARC welcomes new Postdoc Jacobus Conradi to the team.

Jacobus Leander Conradi joined the BARC team at UCPH on December 1, 2026 as a Postdoc working with Mikkel Vind Abrahamsen. 

Before coming to Denmark, Jacobus studied mathematics and computer science at the University of Bonn, where he later completed his PhD under the supervision of Anne Driemel. His research is in computational geometry and algorithm design, with a focus on understanding how geometric structure influences the complexity of algorithmic problems. A large part of his work has been concerned with curves and trajectories: how to compare them, cluster them, search among them efficiently, and find meaningful patterns in large spatio-temporal data sets. This has led him to work on similarity measures such as the Fréchet distance and Dynamic Time Warping, as well as on coresets, nearest-neighbor search, and subtrajectory clustering.

More recently, Jacobus has also become interested in a broader range of geometric and combinatorial questions. His recent work includes non-obtuse triangulations, variants of the Art Gallery Problem, and problems involving the overlap and matching of polygons. He enjoys both the theoretical side of proving what is possible or impossible, and the more experimental side of seeing how algorithms behave on real data.

Jacobus grew up in Wachtberg, near Bonn. Outside of research, music takes up a lot of his time: he plays cello and tuba in orchestras, and has also played trombone, piano, and violin — with varying degrees of success and persistence. He also enjoys sports and endurance challenges, and last year completed an Ironman. When not training or rehearsing, he likes cooking, video games, and dancing.

Portrait of Jacobus Conradi

Welcome to the team Jacobus, we are glad to have you!

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