Complementarity Problems Professors and Supervisors in Switzerland

Simon WeberView profile

Researcher

ETH ZurichSwitzerland

Simon Weber is a researcher affiliated with the ETH Zurich (Department of Computer Science). His work focuses on Unique Sink Orientations (USOs) , a combinatorial abstraction of optimization problems like Linear and Quadratic Programming. Simon's research spans three areas: (1) Structure of USOs and their links to Oriented Matroids; (2) Constructions of high-dimensional USOs to analyze algorithm complexity; and (3) Algorithmic improvements for sink-finding. He also explores topics in graph compression, neural networks, and ∃R-complete problems. Key Publications: PhD thesis on USO reductions, ∃R-completeness in neural training, and USO phase analysis. Scientific Contributions: Advances in USO complexity, FPT algorithms for MaxCut, and recognition of geometric hypergraphs and nerves of convex sets. He has supervised multiple theses at ETH Zurich, including topics on USO visualization, MaxCut algorithms, and necklace splitting. His teaching experience includes being a Head Assistant for courses like Geometry: Combinatorics & Algorithms and Topological Data Analysis . Simon's work has been recognized with Best Paper and Best Student Paper Finalist awards at SC19.

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Massimiliano VatieroView profile

Adjunct Professor

University of Italian SwitzerlandSwitzerland

Massimiliano Vatiero is an active academic with dual affiliations: Adjunct Professor at the Faculty of Economics, Università della Svizzera italiana (USI) , and Associate Professor of Political Economy at the University of Trento . He has been affiliated with USI's Law Institute (IDUSI) since 2010 and holds formal appointments ratified by both universities. His work bridges law, economics, and institutional analysis. His research focuses on Law and Economics, Corporate Governance, Institutional Economics, Transaction Cost Economics, and Contract Theory . He explores the interplay between legal frameworks and economic behavior, with particular interest in smart contracts, blockchain, corporate hierarchy, and the historical evolution of economic thought. His recent publications reflect a strong engagement with digital transformation and governance innovation. The analysis of his 15 most recent articles (2023–2025) reveals a thematic concentration on smart contracts and their transaction costs , corporate governance and political economy , automation and labor markets , and critical reassessments of classical economic theories (e.g., Clark, Patten, Williamson). His work combines theoretical depth with empirical and historical insights. He has received recognition through research funding and fellowships, including: Research Grant from the Swiss National Science Foundation (2014) Fellow, Comparative Corporate Governance and Finance Program, Harvard Law School Vatiero actively contributes to the academic community as Principal Investigator of the DigitChart project (funded by USI), and he serves on the editorial boards of several journals, including Journal of Industrial and Business Economics , Journal of Public Finance and Public Choice , History of Economic Ideas , and Review of Economics and Institutions . He is a founding member of the Italian Society of Law and Economics (SIDE) and the World Interdisciplinary Network for Institutional Research (WINIR) . He has held visiting positions at Chicago-Kent College of Law , University of Hamburg , and Harvard Law School , underscoring his international academic engagement.

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Hannes WallimannView profile

Lecturer

University of Applied Sciences and Arts LucerneSwitzerland

Hannes Wallimann is a Lecturer at Lucerne School of Business (HSLU Wirtschaft), part of Lucerne University of Applied Sciences and Arts, where he is affiliated with the Institute of Tourism and Mobility (ITM) within the Mobility Competence Center (CC Mobility). His academic background includes a PhD in Economics from the University of Freiburg (2022), an MSc in Economics from the Universities of Bern and Copenhagen (2018), and a BSc in Economics from the University of Bern (2015). His research focuses on public transportation economics, data science applications in competition policy, and tourism economics. Notable projects include analyzing the impact of public transport pricing strategies, detecting cartels in infrastructure procurement using machine learning, and evaluating tourism policies. He has received multiple awards, including the HSLU Publication Award (2023/2024) and the VBW EXCELLENCE AWARD Bronze (2018). Education: PhD Economics (Freiburg), MSc Economics (Bern/Copenhagen), BSc Economics (Bern) Expertise: Cartel detection, transportation policy, synthetic control methods, behavioral economics Current Roles: Lecturer at HSLU, Founder & Managing Director of H. Wallimann Consulting GmbH (since 2022), and member of the Alpnach Economic and Regional Commission His work bridges academic research and practical policy analysis, addressing issues like sustainable mobility, competition law enforcement, and tourism economics. Key contributions include studies on the effects of price reductions in public transport and the economic impact of the Austrian KlimaTicket initiative.

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Georg NöldekeView profile

Professor

University of BaselSwitzerland

Prof. Dr. Georg Nöldeke is a Professor of Microeconomic Theory at the Faculty of Business and Economics , University of Basel , Switzerland. He is a leading researcher in theoretical economics, with a focus on game theory, matching markets, and evolutionary dynamics. His work bridges economics and biology, particularly in the study of cooperation and strategic behavior. He is affiliated with the Microeconomic Theory Group and maintains an active research profile with publications in top journals. Georg Nöldeke's research interests are centered on Microeconomic Theory , Game Theory , and Evolutionary Game Theory . His work explores strategic interactions , collective action , matching markets , and optimal contract design . He investigates how individuals and groups make decisions under strategic uncertainty, with applications ranging from labor markets to biological cooperation. His research often employs rigorous mathematical models to derive equilibrium properties and evolutionary stability. His recent publications show a strong trend in theoretical and evolutionary game theory , with a particular focus on group size effects , cooperation in large populations , and dynamic games . He frequently publishes in high-impact journals such as Econometrica and Journal of Theoretical Biology , indicating a sustained and influential research trajectory. His work demonstrates a consistent application of game-theoretic tools to problems in economics and biology. Georg Nöldeke has not been mentioned to have received specific scientific awards in the provided text. He advises students in microeconomic theory and game theory, though specific names of advisees are not listed. His research is likely supported by institutional and national funding sources, given his publication record in top journals, though specific grants are not detailed. He collaborates extensively, most notably with researchers such as Jérôme Peña , Stefan Lauermann , and Larry Samuelson . He is a core member of the Microeconomic Theory Group at the University of Basel, contributing to the department's research and teaching in theoretical economics.

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Johannes BoehmView profile

Professor

Graduate Institute of International and Development StudiesSwitzerland

Johannes Boehm is a Professor of International Economics at the Geneva Graduate Institute, where he also holds a position in the Department of International Economics. He is a research fellow at the Centre for Economic Policy Research (CEPR) in London and the Centre for Economic Performance (CEP) at the London School of Economics. Previously, he was a professor at Sciences Po, Paris, and has held visiting positions at Princeton University, Harvard University, and INSEAD. His research focuses on international trade, industrial development, growth, and environmental economics, with a particular emphasis on how trade networks influence economic growth and resilience to geopolitical and climate risks. Boehm earned his PhD in Economics from the London School of Economics in 2014. His work explores the interplay between trade policies, firm dynamics, and macroeconomic outcomes, including studies on supply chain fragmentation, climate adaptation, and historical trade patterns. Notable research includes analyzing how extreme weather events impact production networks in Pakistan and investigating the historical shift of economic activity post-antiquity using ancient coin data. His thematic expertise spans trade policy, globalization, development cooperation, climate change, and central bank policies. Geographically, his research covers the Americas, Asia, and Europe. Boehm is also involved in software development for econometric analysis, creating tools like GLFixedEffectModels and Douglass to facilitate high-dimensional fixed-effects modeling and data manipulation.

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Matteo FadelView profile

Lecturer

ETH ZurichSwitzerland

Dr. Matteo Fadel is a Lecturer in the Department of Physics at ETH Zürich, affiliated with the Professur Hybride Quantensysteme (Hybrid Quantum Systems Group). His research focuses on quantum physics, quantum information, and quantum metrology, with particular emphasis on mechanical systems, Bose-Einstein condensates, and spin squeezing phenomena. Fadel explores theoretical and experimental aspects of macroscopic quantum coherence, entanglement dynamics, and quantum gravitational effects. He has contributed to developing protocols for detecting non-locality and Bell correlations in many-body systems, as well as advancing quantum teleportation and remote state preparation techniques. Research Interests : Quantum non-Gaussianity, entanglement quantification, precision measurement, topological quantum systems, and gravity-related quantum effects. His work bridges theoretical studies with experimental implementations, such as parity measurements in circuit quantum acoustodynamics and spin squeezing in atomic ensembles. Fadel’s contributions span both foundational quantum theory and applied quantum technologies, including novel approaches to distributed quantum sensing and metrological complementarity. While no specific grants or awards are listed in the text, his publications reflect sustained engagement with cutting-edge topics in quantum physics. Advising details and lab affiliations are not explicitly provided, but his research group likely focuses on hybrid quantum systems and their applications in sensing and computation. His research also touches on machine learning for bosonic functionals and the quantum marginal problem in many-body systems.

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Siwei LiaoView profile

Researcher

University of GenevaSwitzerland

Siwei Liao is a Researcher at the University of Geneva , joining in December 2023 under the supervision of Martin Jakob Gander. She previously earned a Master of Science in Computational Mathematics from Lanzhou University between 2019 and 2022. Research Focus: Her work investigates complementarity problems , including horizontal linear complementarity problems, vertical complementarity problems, and tensor complementarity problems. She specializes in numerical methods like modulus-based methods, Levenberg-Marquardt methods, and multigrid methods, analyzing their convergence behavior and numerical performance.

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