Holger Dell

Holger Dell is an Associate Professor at the IT University of Copenhagen, where he conducts research and teaching in theoretical computer science, with a focus on algorithms and complexity. He has previously held positions as Professor at Goethe University Frankfurt, Independent Research Group Leader at Saarland University, and postdoctoral fellow at UC Berkeley, Paris Diderot, and UW Madison.

Research Interests: His research centers on the design of efficient algorithms for discrete problems and proving intractability results. Key areas include combinatorial counting problems, algebraic graph algorithms, and complexity theory, with recent work on solving polynomial equations over finite fields and the parameterized complexity of network dynamics.

Recent Publications: His recent publications reflect a strong emphasis on theoretical foundations and algorithmic problem-solving in discrete mathematics and network systems. They span topics from computational algebra to dynamic network models, showing a deep integration of mathematical theory and computer science.

• Scientific Awards: No specific awards mentioned in the provided text.

Teaching and Advising: Holger is deeply committed to innovative teaching, particularly through alternative grading systems like Grading for Growth. He is currently developing Algo-Learn, a self-testing e-learning platform that automatically generates and grades exercises for undergraduate algorithms and data structures courses. There is no mention of formal PhD or Master’s advisees in the provided content.

Grants: He leads a DFG-funded project on the parameterized complexity of network dynamics, indicating active external research funding.

Labs and Teams: While no formal lab name is provided, his GitHub repositories and research projects suggest he collaborates on algorithm visualization tools and open-source scientific software. His work on the color refinement algorithm demo and the COVID-19 plots indicates engagement in both educational and public-interest computing projects.