Universität zu Köln

Ligthart, Laurens ORCID: 0000-0001-7634-2259 (2024). Semidefinite Programming Techniques for the Quantum Causal Compatibility Problem. PhD thesis, Universität zu Köln.

Gembé, Carl Martin (2024). Frustrated Magnetism, Monopole Dynamics, and Non-Coplanar Ordering in Classical Spin Systems - Insights from Monte Carlo Simulations. PhD thesis, Universität zu Köln.

Han, Chengyuan ORCID: 0000-0001-5220-402X (2024). Agent-based Studies of Collective Phenomena in Supply Network Operation. PhD thesis, Universität zu Köln.

Anselmetti, Gian-Luca Romano ORCID: 0000-0002-8073-3567 (2023). Quantum number preserving ansätze and error mitigation studies for the variational quantum eigensolver. PhD thesis, Universität zu Köln.

Contessi, Daniele ORCID: 0000-0002-2610-8496 (2023). Data driven approach to detection of quantum phase transitions. PhD thesis, Universität zu Köln.

Rzezonka, Jonas ORCID: 0000-0001-7178-3231 (2023). Analysis of the microscopic structure of pedestrian bottleneck flow based on experiments and simulations. PhD thesis, Universität zu Köln.

Trebbien, Julius (2023). Explainable Artificial Intelligence and Deep Learning for Analysis and Forecasting of Complex Time Series: Applications to Electricity Prices. Masters thesis, Universität zu Köln.

Mayer, Lorenz ORCID: 0000-0002-8581-8084 (2023). Many-Body Invariants for Super Spin Chains with Antiunitary Symmetries. PhD thesis, Universität zu Köln.

Ladewig, Björn (2023). Non-equilibrium universality: slow drives, measurements and dephasing. PhD thesis, Universität zu Köln.

Kruse, Johannes ORCID: 0000-0002-3478-3379 (2023). Machine learning of power grid frequency dynamics and control: prediction, explanation and stochastic modelling. PhD thesis, Universität zu Köln.

Wierichs, David ORCID: 0000-0002-0983-7136 (2023). Estimation of gradients and analysis of gradient-based optimizers for variational quantum algorithms. PhD thesis, Universität zu Köln.

Berke, Christoph (2023). Transmon-based quantum computers from a many-body perspective. PhD thesis, Universität zu Köln.

Mix, Eva ORCID: 0000-0002-3275-6393 (2023). Physikunterricht zum Thema Luftdruck vor dem Hintergrund naturwissenschaftlicher Entwicklungen - Eine kritische Betrachtung des Lehrstücks "Pascals Barometer". Masters thesis, Universität zu Köln.

Matthies, Anne ORCID: 0000-0003-1155-1281 (2023). Non-equilibrium dynamics and quantum computing - From Floquet topological qubits to quantum state preparation. PhD thesis, Universität zu Köln.

del Ser, Nina ORCID: 0000-0002-9080-8016 (2022). The Turn of the Screw and the Slide of the Skyrmion. PhD thesis, Universität zu Köln.

Gneist, Nico (2022). Competing Orders in the Triangular Lattice Hubbard Model, an Application of the Truncated-Unity Functional Renormalization Group. PhD thesis, Universität zu Köln.

Kiese, Dominik ORCID: 0000-0002-9263-8022 (2022). Effective field theories for strongly correlated fermions - Insights from the functional renormalization group. PhD thesis, Universität zu Köln.

Aragonés Soria, Yaiza ORCID: 0000-0002-8880-8957 (2022). Classical restrictions of matrix product states and minimising statistical errors in gate calibration. PhD thesis, Universität zu Köln.

Bonacker, Niklas (2022). Network inference and response prediction in biological systems. PhD thesis, Universität zu Köln.

Montealegre Mora, Felipe (2022). Stabilizer and Numerical Representation Theory: Dualities, Algorithms and Applications. PhD thesis, Universität zu Köln.

Rembold, Phila ORCID: 0000-0003-1405-730X (2022). Quantum Optimal Control of Spin Systems and Trapped Atoms. PhD thesis, Universität zu Köln.

Kaiser, Franz Nikolas ORCID: 0000-0002-7089-2249 (2022). Resilience of power grids and other supply networks: structural stability, cascading failures and optimal topologies. PhD thesis, Universität zu Köln.

Attig, Jan ORCID: 0000-0002-3762-6010 (2022). Electronic Spectra: Topology, Supersymmetry, and Statistics. PhD thesis, Universität zu Köln.

Klug, Alexander (2021). Nonlinear effects of recombination on the evolutionary dynamics in Wright-Fisher type models and experiments. PhD thesis, Universität zu Köln.

Schmitz, Tim ORCID: 0000-0002-2822-2794 (2021). Bouncing Black Holes From Canonical Quantum Gravity. PhD thesis, Universität zu Köln.

Heinen, Lukas ORCID: 0000-0001-6638-7031 (2021). Chiral Magnets in and out of Equilibrium. PhD thesis, Universität zu Köln.

Huang, Yunfei ORCID: 0000-0001-6519-3171 (2021). Advanced data analysis for traction force microscopy and data-driven discovery of physical equations. PhD thesis, Universität zu Köln.

Rydin Gorjão, Leonardo ORCID: 0000-0001-5513-0580 (2021). Stochastic timeseries analysis in electric power systems and paleo-climate data. PhD thesis, Universität zu Köln.

Alberton, Ori (2021). Novel phases and phase transitions in open quantum systems: Condensates, Many-body localization and entanglement. PhD thesis, Universität zu Köln.

Bauer, Carsten ORCID: 0000-0001-6719-0978 (2021). Simulating and machine learning quantum criticality in a nearly antiferromagnetic metal. PhD thesis, Universität zu Köln.

Wang, Yi-Fan ORCID: 0000-0002-0331-7463 (2021). Porting conventional tools to quantum geometrodynamics. PhD thesis, Universität zu Köln.

Chataignier, Leonardo ORCID: 0000-0001-6691-3695 (2021). Timeless Quantum Mechanics and the Early Universe. PhD thesis, Universität zu Köln.

Heinrich, Markus ORCID: 0000-0002-1334-7885 (2021). On stabiliser techniques and their application to simulation and certification of quantum devices. PhD thesis, Universität zu Köln.

Guggenheim, Charles Moses (2020). Weyl semimetals: Euler structures and disorder. PhD thesis, Universität zu Köln.

Mix, Eva Sophia ORCID: 0000-0002-3275-6393 (2020). Persistence Statistics of Electricity Price Time Series. Bachelor thesis, Universität zu Köln.

Eschmann, Tim Christian ORCID: 0000-0002-9198-891X (2020). Thermodynamics of Kitaev Spin Liquids. PhD thesis, Universität zu Köln.

Lange, Florian (2020). Giant response to weak pumping in quantum systems with approximate symmetries. PhD thesis, Universität zu Köln.

Kwidzinski, Nick (2020). Quantum Fate of Singularities in Anisotropic Cosmological Models. PhD thesis, Universität zu Köln.

Fröml, Heinrich Filon (2020). Localized Dissipation in Fermionic Quantum Wires. PhD thesis, Universität zu Köln.

Weiß, Philipp S. (2020). Quantum Fluctuations and Hydrodynamic Noise in Low Dimensions. PhD thesis, Universität zu Köln.

Manousakis, Jan (2020). New approaches to the realization and identifcation of Majorana qubits in solid state quantum devices. PhD thesis, Universität zu Köln.

Tell, Karsten ORCID: 0000-0003-0850-3027 (2020). Elastic Wave Propagation in Granular Packings. PhD thesis, Universität zu Köln.

O'Brien, Kevin Michael (2019). Three-Dimensional Kitaev Spin Liquids. PhD thesis, Universität zu Köln.

Hillringhaus, Sebastian (2019). Cell Mechanics and Adhesion: Cell Blebbing and Malaria Parasite Invasion. PhD thesis, Universität zu Köln.

Christou, Christos (2019). Non-Equilibrium Stochastic Models: Random Average Process and Diffusion with Resetting. PhD thesis, Universität zu Köln.

Alidadi Soleymani, Fatemeh (2019). Towards Simulations of Self-propelled Janus Particles in a Critical Binary Mixture. PhD thesis, Universität zu Köln.

Torres Ospina, Jesus Emilio (2019). Emergent symmetries in relativistic Quantum Phase Transitions. PhD thesis, Universität zu Köln.

Li, Run (2019). Hydrodynamics of colloidal ellipsoids and helices under shear flow and active deformation. PhD thesis, Universität zu Köln.

Wohland, Jan ORCID: 0000-0001-8336-0009 (2019). Impacts of climate variability and climate change on renewable power generation. PhD thesis, Universität zu Köln.

Büßen, Finn Lasse ORCID: 0000-0002-7773-4665 (2019). A Functional Renormalization Group Perspective on Quantum Spin Liquids in Three-Dimensional Frustrated Magnets. PhD thesis, Universität zu Köln.

Önder, Koray (2019). Dynamics close to Bifurcations: From Spins to Granular Media. PhD thesis, Universität zu Köln.

Krüchten, Cornelia von (2019). Development of a cognitive and decision-based model for pedestrian dynamics. PhD thesis, Universität zu Köln.

Legg, Henry ORCID: 0000-0003-0400-5370 (2019). Transport and disorder in Dirac materials. PhD thesis, Universität zu Köln.

Nikolic, Branislav ORCID: 0000-0003-0499-1166 (2019). Quantum geometrodynamics of higher derivative theories with and without conformal symmetry. PhD thesis, Universität zu Köln.

Srivastava, Malvika (2018). Epistasis, Shapes and Evolution. Masters thesis, Universität zu Köln.

Bittihn, Stefan Alexander (2018). Stochastic Transport Models on Simple Networks: Phase Diagrams and Braess Paradox. PhD thesis, Universität zu Köln.

Süß, Daniel (2018). Due to, or in spite of? The effect of constraints on efficiency in quantum estimation problems. PhD thesis, Universität zu Köln.

Abaurrea Velasco, Clara ORCID: 0000-0002-9673-5233 (2018). Active matter: from collective self-propelled rods to cell-like particles. PhD thesis, Universität zu Köln.

Gelhausen, Jan ORCID: 0000-0003-0705-8566 (2018). Magnetic Phase Transitions in Driven-Dissipative Atomic Ensembles Interacting with Quantum Light. PhD thesis, Universität zu Köln.

Villa, Mara (2018). The role of reassortment in the evolution of seasonal influenza. PhD thesis, Universität zu Köln.

Müller, Jan (2018). Magnetic Skyrmions and Topological Domain Walls. PhD thesis, Universität zu Köln.

Singh, Karandeep (2018). Particles at complex membranes: receptors, ligands, and cytoskeleton. PhD thesis, Universität zu Köln.

Tan, Zihan (2018). Thermophoretic Transport in Dispersions of Asymmetric Colloids and Microchannels. PhD thesis, Universität zu Köln and Forschungszentrum Jülich.

Bröcker, Peter (2018). Disentangling and machine learning the many-fermion problem. PhD thesis, Universität zu Köln.

Held, Torsten ORCID: 0000-0002-1131-1950 (2018). Universality in the Evolution of Molecular Phenotypes. PhD thesis, Universität zu Köln.

Müller, Nina (2018). Cancer Evolution and the Emergence of Resistance to Targeted Cancer Therapy. PhD thesis, Universität zu Köln.

Klemmer, Daniel ORCID: 0000-0002-5567-5860 (2018). Quantitative Traits and Phenotypic Interference. PhD thesis, Universität zu Köln.

Haeberle, Jan ORCID: 0000-0002-6194-5644 (2018). Properties of Tailored Granular Media. PhD thesis, Universität zu Köln.

Rode, Sebastian (2017). Flagellated and Ciliated Microswimmers. PhD thesis, Universität zu Köln.

Das, Shibananda (2017). Dynamical structure formation in passive and active colloidal systems. PhD thesis, Universität zu Köln.

Yu, Qingfen (2017). Nanoparticle-membrane interactions. PhD thesis, Universität zu Köln.

Genske, Maximilian (2017). Periodically driven many-body quantum systems : Quantum Ratchets, Topological States and the Floquet-Boltzmann Equation. PhD thesis, Universität zu Köln.

Wagner, Martin (2017). Colloidal Microswimmers driven by Thermophoresis. PhD thesis, Universität zu Köln.

Bomhard, Philipp von (2017). Development of a statistical daily precipitation model and its application to precipitation records. Masters thesis, Universität zu Köln.

Dettmer, Simon Lee (2017). Stochastic inference from snapshots of the non-equilibrium steady state : the asymmetric Ising model and beyond. PhD thesis, Universität zu Köln.

Henry, Ewan (2017). Cell Sorting in Deterministic Lateral Displacement Devices. PhD thesis, Universität zu Köln.

Peschutter, Jochen Christian (2017). Quantum Superspin Systems from Conformal Field Theory. PhD thesis, Universität zu Köln.

Swiech, Artur T. (2017). Free probability approach to microscopic statistics of random matrix eigenvalues. PhD thesis, Universität zu Köln.

Hepp, Christof (2017). The molecular mechanism of outer membrane DNA transport in bacterial transformation. PhD thesis, Universität zu Köln.

Gerlach, Max Henner (2017). Quantum Monte Carlo studies of a metallic spin-density wave transition. PhD thesis, Universität zu Köln.

Helmes, Johannes (2017). An entanglement perspective on phase transitions, conventional and topological order. PhD thesis, Universität zu Köln.

Küng, Richard (2017). Convex reconstruction from structured measurements. PhD thesis, Universität zu Köln.

Waizner, Johannes (2016). Spin wave excitations in magnetic helices and skyrmion lattices. PhD thesis, Universität zu Köln.

Schmidt, Johannes (2016). Universal Behavior of Driven Diffusive Lattice Gases. PhD thesis, Universität zu Köln.

Bamler, Robert (2016). Phase-Space Berry Phases in Chiral Magnets: Skyrmion Charge, Hall Effect, and Dynamics of Magnetic Skyrmions. PhD thesis, Universität zu Köln.

Schmiegelt, Benjamin (2016). Sign Epistatis Networks. Masters thesis, Universität zu Köln.

Lux, Jonathan (2016). Fluctuations in and out of equilibrium: Thermalization, quantum measurements and Coulomb disorder. PhD thesis, Universität zu Köln.

Riedel, Nico (2016). Inference of natural selection on quantitative traits. PhD thesis, Universität zu Köln.

Katanov, Dinar (2016). Computer simulations of soft particles in flow. PhD thesis, Universität zu Köln.

Boge, Florian (2016). On Probabilities in the Many Worlds Interpretation of Quantum Mechanics. Bachelor thesis, Universität zu Köln.

Mauer, Johannes (2016). Shapes and Dynamics of Blood Cells in Poiseuille and Shear Flows. PhD thesis, Universität zu Köln.

Groll, Fanny (2016). Diversity and Stability in Food Webs : Impacts of Non-Equilibrium Dynamics, Topology and Variation. PhD thesis, Universität zu Köln.

Josupeit, Mario (2015). The influence of backwards mutations on the number of accessible paths in a fitness landscape. Bachelor thesis, Universität zu Köln.

Saggiorato, Guglielmo (2015). How Sperm Beat and Swim: From Filament Deformation to Activity. PhD thesis, Universität zu Köln.

Nowak, Stefan (2015). Properties of Random Fitness Landscapes and Their Influence on Evolutionary Dynamics. A Journey through the Hypercube. PhD thesis, Universität zu Köln.

Küppersbusch, Carolin Sarah (2015). Magnetic oscillations in two-dimensional Dirac systems and Shear viscosity and spin diffusion in a two-dimensional Fermi gas. PhD thesis, Universität zu Köln.

Schenck, Hannes (2015). Vector Chiral Phases in Frustrated Systems. PhD thesis, Universität zu Köln.

Wieczorek, Daniel Johann (2015). Pure Scaling Operators at the Integer Quantum Hall Plateau Transition. PhD thesis, Universität zu Köln.

Buhrandt, Stefan (2015). Magnetic monopoles in chiral magnets & frustrated magnetism on the swedenborgite lattice. PhD thesis, Universität zu Köln.

Nguyen, Hai Chau (2015). Maximum entropy models in the analysis of genome-wide data in cancer research. PhD thesis, Universität zu Köln.

Becker, Michael (2015). Defects in strongly correlated and spin-orbit entangled quantum matter. PhD thesis, Universität zu Köln.

Schmittner, Sebastian E. (2015). Models for disordered phonons. PhD thesis, Universität zu Köln.

Karalus, Steffen (2015). Dynamics and Structure of Complex Networks. PhD thesis, Universität zu Köln.

Neven, Patrick (2015). Quasiclassical approach to low-dimensional topological insulators and superconductors. PhD thesis, Universität zu Köln.

Krämer, Manuel (2015). Quantum-gravitational effects for inflationary perturbations and the fate of mild singularities in quantum cosmology. PhD thesis, Universität zu Köln.

Deecke, Lucas Anton Christoph (2015). Fitness landscapes and evolutionary accessibility: The effect of downhill steps. Bachelor thesis, Universität zu Köln.

Kennedy, Ricardo (2014). Homotopy Theory of Topological Insulators. PhD thesis, Universität zu Köln.

Ernst, Moritz Fabian (2014). Symmetric Functionals over Tensor Product Spaces in the Context of Quantum Information Theory. PhD thesis, Universität zu Köln.

Dasgupta, Sabyasachi (2014). Particles at Membranes and Interfaces. PhD thesis, Universität zu Köln.

Neidhart, Johannes (2014). Fitness Landscapes, Adaptation and Sex on the Hypercube. PhD thesis, Universität zu Köln.

Schütte, Christoph (2014). Skyrmions and Monopoles in Chiral Magnets & Correlated Heterostructures. PhD thesis, Universität zu Köln.

Eilhardt, Christian (2014). Computer simulation of pedestrian dynamics at high densities. PhD thesis, Universität zu Köln.

Zacharias, Mario (2014). Mott Transition and Quantum Critical Metamagnetism on Compressible Lattices. PhD thesis, Universität zu Köln.

Duivenvoorden, Kasper (2013). Symmetry protected topological phases of spin chains. PhD thesis, Universität zu Köln.

Sitte, Matthias (2012). Quantum Hall Effect and Surface Criticality in 3D Topological Insulators. PhD thesis, Universität zu Köln.

Hollender, Lucas (2012). From Periodic to Dilute Anderson Models. PhD thesis, Universität zu Köln.

Wergen, Gregor (2012). Records statistics beyond the standard model - Theory and applications. PhD thesis, Universität zu Köln.

Meng, Tobias (2012). Quantum Critical Matter: Quantum Phase Transitions with Multiple Dynamics and Weyl Superconductors. PhD thesis, Universität zu Köln.

Mandt, Stephan (2012). Transport and Non-Equilibrium Dynamics in Optical Lattices. From Expanding Atomic Clouds to Negative Absolute Temperatures. PhD thesis, Universität zu Köln.

Everschor, Karin (2012). Current-Induced Dynamics of Chiral Magnetic Structures : Skyrmions, Emergent Electrodynamics and Spin-Transfer Torques. PhD thesis, Universität zu Köln.

Ivanov, Marian (2012). Dynamics of Steps on Vicinal Surfaces. PhD thesis, Universität zu Köln.

Franke, Jasper (2011). Statistical topography of fitness landscapes. PhD thesis, Universität zu Köln.

Schiffels, Stephan (2011). Adaptive Evolution in Linked Genomes. PhD thesis, Universität zu Köln.

Lüsebrink, Daniel (2011). Colloidal Suspensions in Temperature Gradients with Mesoscopic Simulations. PhD thesis, Universität zu Köln.

Fischer, Andrej (2011). Minimal models of evolution: germline fitness effects of cancer mutations and stochastic tunneling under strong recombination. PhD thesis, Universität zu Köln.

Zell, Thomas (2011). Distance Dependence of Entanglement Generation via a Bosonic Environment. PhD thesis, Universität zu Köln.

Wolff, Andrea (2011). Diffusion-Reaction-Models and their Application to Biological and Astrophysical Problems. PhD thesis, Universität zu Köln.

Schmittner, Sebastian E. (2010). Field theory of disordered bosons. Masters thesis, Universität zu Köln.

Rasch, David (2010). Transport Theory in Low Dimensional Systems from Thermoelectric Effects in Luttinger Liquids to Hydrodynamic Expansion of Cold Atoms. PhD thesis, Universität zu Köln.

Schütze, Friedmar (2010). Randomly Pinned Systems: Interfaces and Luttinger Liquids. PhD thesis, Universität zu Köln.

Queißer, Friedemann (2010). The Impact of Decoherence and Dissipation on Cosmological Systems and on the Generation of Entanglement. PhD thesis, Universität zu Köln.

Lück, Tobias (2009). Random Matrix Models for Disordered Bosons. PhD thesis, Universität zu Köln.

Borghoff, Stefan (2009). Effects of noise correlations on the performance of quantum error-correcting and -avoiding methods. PhD thesis, Universität zu Köln.

Weber, Heidrun (2009). Correlated Exotic States: Fractionalization, Fermi Arcs, Competing Phases. PhD thesis, Universität zu Köln.

Ristivojevic, Zoran (2009). Order and transport in interacting disordered low-dimensional systems. PhD thesis, Universität zu Köln.

Petkovic, Aleksandra (2009). Order and Transport in Disordered Type-II Superconductors. PhD thesis, Universität zu Köln.

Lohmar, Ingo (2009). Diffusion, Nucleation and Recombination in Confined Geometries. PhD thesis, Universität zu Köln.

Müller-Hill, Jakob (2009). Hyperbolic Hubbard-Stratonovich transformations and bosonisation of granular fermionic systems. PhD thesis, Universität zu Köln.

Sandhöfer, Barbara (2009). The Fate of Singularities in Quantum Cosmology and the Application of Generalized Effective Equations to Constrained Quantum Systems. PhD thesis, Universität zu Köln.

Hackl, Andreas (2009). Quantum criticality and non-equilibrium dynamics in correlated electron systems. PhD thesis, Universität zu Köln.

Helmes, Rolf (2008). Dynamical Mean Field Theory of inhomogeneous correlated systems. PhD thesis, Universität zu Köln.

Müller, Jan (2007). A Field Theory Approach to Universality in Quantum Chaos. PhD thesis, Universität zu Köln.

Tiggemann, Daniel (2007). Numerical methods for the determination of the properties and critical behaviour of percolation and the Ising model. PhD thesis, Universität zu Köln.

Jung, Peter (2007). Transport and Approximate Conservation Laws in Low Dimensional Systems. PhD thesis, Universität zu Köln.

Kuhn, Philipp (2007). Nichtlineare Dynamik von Oberflächeninseln unter Elektromigrationseinfluss. PhD thesis, Universität zu Köln.

Reischl, Alexander Antonius (2006). Derivation of Effective Models using Self-Similar Continuous Unitary Transformations in Real Space. PhD thesis, Universität zu Köln.

Fischer, Inga Anita (2006). Metallic Magnets without Inversion Symmetry and Antiferromagnetic Quantum Critical Points. PhD thesis, Universität zu Köln.

John, Alexander (2006). Physics of Traffic on Ant Trails and Related Systems. PhD thesis, Universität zu Köln.

Elgeti, Jens (2006). Sperm and Cilia Dynamics. PhD thesis, Universität zu Köln.

Grün, Dominic (2006). Statistics and Evolution of Functional Genomic Sequence. PhD thesis, Universität zu Köln.

Weber, Philipp (2006). Response functions, trading strategies, and random matrices: Analysis of large fluctuations and correlations in stock price diffusion. PhD thesis, Universität zu Köln.

Micklitz, Tobias (2006). Application of field theoretical methods to problems in mesoscopic physics. PhD thesis, Universität zu Köln.

Willmann, Stana (2005). Evolution of Genetic Networks. PhD thesis, Universität zu Köln.

Schmitz, Robert (2005). Berechnung magnetischer Eigenschaften von LaTiO3 und YTiO3. PhD thesis, Universität zu Köln.

Heinicke, Christian (2005). Exact solutions in Einstein's theory and beyond. PhD thesis, Universität zu Köln.

Raas, Carsten (2005). Dynamic Density-Matrix Renormalization for the Symmetric Single Impurity Anderson Model. PhD thesis, Universität zu Köln.

Büscher, Rauno (2005). Casimir Forces and Geometry. PhD thesis, Universität zu Köln.

Namazi, Alireza (2005). Emergent Behavior and Criticality in Online Auctions. PhD thesis, Universität zu Köln.

Ahrens, Marc André (2005). Optimum-Grundzustände quantenmechanischer Spin-Systeme in zwei und drei Dimensionen. PhD thesis, Universität zu Köln.

Bartel, Erik (2005). Spin Ladder Models with Cyclic Exchange: A Finite Temperature DMRG Study. PhD thesis, Universität zu Köln.

Aits, Carsten Hinrich (2005). Investigation of Correlation Functions in Low-Dimensional Quantum Antiferromagnets by Quantum Monte Carlo Methods. PhD thesis, Universität zu Köln.

Gail, Annette (2004). Bursting in a model with delay for networks of neurons. PhD thesis, Universität zu Köln.

Dziurzik, Christian (2004). Competition of magnetic and superconducting ordering in one-dimensional generalized Hubbard models. PhD thesis, Universität zu Köln.

Krüger, Frank (2004). Fluctuations of spin and charge in stripe phases of layered antiferromagnets. PhD thesis, Universität zu Köln.

Schmidt, Kai Phillip (2004). Spectral Properties of Quasi One-dimensional Quantum Antiferromagnets . Perturbative Continuous Unitary Transformations. PhD thesis, Universität zu Köln.

Glatz, Andreas (2004). Disordered elastic systems: Fluctuations and AC-dynamics. PhD thesis, Universität zu Köln.

Sindermann, Andreas (2004). Ground-State Properties of Two-Dimensional Frustrated Quantum-Spin Models. PhD thesis, Universität zu Köln.

Bühler, Alexander (2003). High Temperature Series Expansions for Spin- and Spin-Phonon-Systems. PhD thesis, Universität zu Köln.

Kemper, Andreas (2003). Transfermatrix-DMRG for dynamics of stochastic models and thermodynamics of fermionic models. PhD thesis, Universität zu Köln.

Knetter, Christian (2003). Perturbative Continuous Unitary Transformations: Spectral Properties of Low Dimensional Spin Systems. PhD thesis, Universität zu Köln.

Bogner, Simon Sebastian (2003). Effects of disorder in striped phases of cuprate superconductors and in planar vortex arrays. PhD thesis, Universität zu Köln.

Pützfeld, Dirk (2003). Building and testing cosmological models: From Friedmann to Weyl-Cartan. PhD thesis, Universität zu Köln.