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• Descriptive Set Theory
• Infinite Combinatorics
• Forcing
• +2 more

Asger Dag Törnquist is an Associate Professor at the Department of Mathematical Sciences, University of Copenhagen . His research focuses on Descriptive Set Theory , Infinite Combinatorics , and Forcing , with applications to Operator Algebra and Ergodic Theory . He received his Ph.D. in Mathematics from the University of California at Los Angeles in 2005. Research Highlights: His work explores the Borel complexity of orbit equivalence and von Neumann equivalence, with recent contributions to the interplay between set theory and cognitive psychology models. Key topics include projective witnesses , maximal almost disjoint families , and unitarizability in Polish groups. Publications: Törnquist has published extensively in top-tier journals such as the Annals of Pure and Applied Logic , Journal of Mathematical Logic , and Proceedings of the National Academy of Sciences , often addressing foundational questions in set theory and its applications.

Pieter SpaasView profile

Researcher

• Operator Algebras
• Ergodic Theory
• Group Theory
• +4 more

Pieter Spaas is a Researcher employed as a postdoc in the Analysis & Quantum Section at the Department of Mathematical Sciences, University of Copenhagen since 1 September 2022. He holds a PhD in Mathematics from UC San Diego (2019), supervised by Professor Adrian Ioana, following Bachelor's and Master's degrees from Hasselt University (Belgium) and KU Leuven (Belgium), respectively. Previously, he served as an Assistant Adjunct Professor at UCLA. His research focuses on operator algebras, ergodic theory, and adjacent areas including group theory and descriptive set theory. Key interests include the structure of Cartan subalgebras, central sequence algebras, and group stability—a concept with applications across mathematics, physics, and computer science. Recently, he has explored non-commutative ergodic theory and lifting properties of C*-algebras. Currently based in office 04.2.09 at the Department of Mathematical Sciences, Pieter aims to collaborate with new colleagues at the University of Copenhagen to advance his research in these fields.

Marianne Høi LiisbergView profile

Assistant Professor

• Discourse Analysis
• Semantics
• Social Conflict
• +3 more

Marianne Høi Liisberg serves as an Assistant Professor at Aarhus University's School of Communication and Culture, specializing in French Business Communication within the Department of French. Her research bridges linguistic theory and real-world social conflicts, focusing on how semantic structures shape power dynamics in political discourse. Her core research examines polysemy, re-semantization, and discursive construction in social conflicts across French and Danish contexts. She investigates how language transforms political possibilities through semantic-discursive frameworks, particularly analyzing labor disputes and institutional conflicts. Methodologically, she integrates discourse theory with conflict semantics to decode power relations in contemporary political struggles. Analysis of her publications reveals consistent exploration of semantic dimensions in social conflicts, with recurring themes of polyphony, destabilizing interventions, and the construction of political 'impossibles'. Her work demonstrates interdisciplinary reach across linguistics, political science, and sociology, often using case studies from France and Denmark to develop broader theoretical frameworks for understanding conflict semantics. No scientific awards or honors were documented in the source material. Dr. Liisberg leads research initiatives examining semantic-discursive transformations in social conflicts and develops pedagogical resources for business communication education. While specific grant details remain unspecified, her projects demonstrate sustained focus on both theoretical discourse analysis and practical applications in higher education settings. Current information does not indicate leadership of dedicated laboratories or research teams, though her collaborative projects suggest active engagement with academic networks in Scandinavian and French discourse studies communities.

• Reconfigurable Computing
• High-Performance Computing
• Field-Programmable Gate Arrays (FPGAs)
• +3 more

Carl-Johannes Johnsen is a Ph.D. student and Guest Researcher in the Department of Computer Science at the University of Copenhagen, specializing in reconfigurable computing and machine learning acceleration for X-ray food inspection systems. His research integrates FPGA-based hardware acceleration with compiler design for high-performance computing, focusing on programming models for Field-Programmable Gate Arrays and optimization of machine learning pipelines. Additional interests include concurrent and distributed programming education methodologies that prioritize conceptual understanding over formal proofs. Publication analysis (2019-2022) reveals consistent contributions to FPGA acceleration of scientific workloads (molecular dynamics), novel compiler vectorization techniques, and minimalist hardware implementations. His work bridges computer architecture, parallel computing, and practical applications in food safety inspection through cross-disciplinary collaboration. No scientific awards were documented in the source material. As an active doctoral candidate, Johnsen has no advisory responsibilities. Research grant details were not specified in the provided information. He operates within the Programming Languages and Theory of Computation research environment at the Department of Computer Science, engaging in international collaborations focused on hardware-software co-design as indicated by network analysis metrics.