Universität zu Köln

2024

Weller, Anna ORCID: 0000-0002-7674-9590 (2024). Numerical Methods for Parabolic Partial Differential Equations on Metric Graphs. PhD thesis, Universität zu Köln.

Zielinski, Dominik ORCID: 0009-0006-9745-419X (2024). Zeros of Random Holomorphic Sections of Semipositive Line Bundles on Punctured Riemann Surfaces. PhD thesis, Universität zu Köln.

Müller, Henrik (2024). Multiprojective Seshadri stratifications for Schubert varieties and standard monomial theory. PhD thesis, Universität zu Köln.

Shen, Wei-Chuan ORCID: 0000-0002-9468-3601 (2024). Semi-classical spectral asymptotics of Toeplitz operators for lower energy forms on non-degenerate compact CR manifolds. PhD thesis, Universität zu Köln.

2023

Grimm, Viktor Hermann ORCID: 0000-0001-5300-3705 (2023). Physics-Aware Convolutional Neural Networks for Computational Fluid Dynamics. PhD thesis, Universität zu Köln.

Cesana, Giulia (2023). On the Asymptotic Behavior of Modular Forms and Related Objects. PhD thesis, Universität zu Köln.

Mono, Andreas (2023). Harmonic and locally harmonic Maaß forms. PhD thesis, Universität zu Köln.

Gallo, Gioele ORCID: 0000-0002-0818-9624 (2023). On some percolation problems in correlated systems. PhD thesis, Universität zu Köln.

Becker, Tilman (2023). On geodesible vector fields and related geometric structures. PhD thesis, Universität zu Köln.

2022

Schließauf, Henrik ORCID: 0000-0002-2257-4027 (2022). Twist maps in low regularity and non-periodic settings. PhD thesis, Universität zu Köln.

Knepper, Jascha ORCID: 0000-0002-8769-2235 (2022). Adaptive Coarse Spaces for the Overlapping Schwarz Method and Multiscale Elliptic Problems. PhD thesis, Universität zu Köln.

Czernik, Christof (2022). Entropy Stable Discontinuous Galerkin Methods for Multi-Component Euler and Ideal Magnetohydrodynamics Equations with Chemical Networks in Julia. PhD thesis, Universität zu Köln.

Garnowski, Taylor (2022). Asymptotic Analysis of Mixed Mock Modular Forms and Related q-products. PhD thesis, Universität zu Köln.

Tattar, Aran ORCID: 0000-0002-6994-6801 (2022). Torsion structures, subobjects and unique filtrations in non-abelian categories. PhD thesis, Universität zu Köln.

Markert, Johannes ORCID: 0000-0001-6297-9494 (2022). Discontinuous Galerkin Spectral Element Methods for Astrophysical Flows in Multi-physics Applications. PhD thesis, Universität zu Köln.

Weber, Janine ORCID: 0000-0002-6692-2230 (2022). Efficient and robust FETI-DP and BDDC methods -- Approximate coarse spaces and deep learning-based adaptive coarse spaces. PhD thesis, Universität zu Köln.

Williams, Nicholas James ORCID: 0000-0001-8478-4719 (2022). Higher-dimensional combinatorics in representation theory. PhD thesis, Universität zu Köln.

Röhrig, Christina ORCID: 0000-0003-4820-7206 (2022). Elliptic and Siegel Theta Series for Indefinite Quadratic Forms. PhD thesis, Universität zu Köln.

Lüchtrath, Lukas ORCID: 0000-0003-4969-806X (2022). Percolation in weight-dependent random connection models. PhD thesis, Universität zu Köln.

Grauer, Arne Andreas ORCID: 0000-0001-8519-4518 (2022). The occurence and effects of short paths in scale-free geometric random graphs. PhD thesis, Universität zu Köln.

Pavlovic, Titus (2022). Siegelsche Modulformen. Masters thesis, Universität zu Köln.

2021

Charton, Isabelle (2021). Tall and Monotone Complexity One Spaces of Dimension Six. PhD thesis, Universität zu Köln.

Brinker, Leonie Violetta (2021). Stochastic Optimisation of Drawdowns via Dynamic Reinsurance Controls. PhD thesis, Universität zu Köln.

de Castro Silva, Davi ORCID: 0000-0002-7101-5758 (2021). Extremal sets with forbidden configurations and the independence ratio of geometric hypergraphs. PhD thesis, Universität zu Köln.

Males, Joshua ORCID: 0000-0002-0324-601X (2021). Modular Forms: Constructions & Applications. PhD thesis, Universität zu Köln.

Gruner, Kevin Tim (2021). The Dressing method: Application to selected integrable models. PhD thesis, Universität zu Köln.

Schmitz, Lars (2021). The front of the randomized Fisher-KPP equation and the parabolic Anderson model. PhD thesis, Universität zu Köln.

Schnieders, Inka (2021). Positivity and regularity of solutions to higher order Dirichlet problems on smooth domains. PhD thesis, Universität zu Köln.

Creutz, Paul ORCID: 0000-0002-1412-8860 (2021). On the Plateau problem in metric spaces. PhD thesis, Universität zu Köln.

2020

Steinert, Christian Pascal (2020). Fano Varieties and Fano Polytopes. PhD thesis, Universität zu Köln.

Licon-Salaiz, Jose ORCID: 0000-0002-8733-2256 (2020). Topological Aspects of Turbulence in the Planetary Boundary Layer. PhD thesis, Universität zu Köln.

Prévost, Alexis Dominique Marie (2020). Percolation for the Gaussian free field and random interlacements via the cable system. PhD thesis, Universität zu Köln.

Ciolan, Emil-Alexandru (2020). Asymptotics, Equidistribution and Inequalities for Partition Functions. PhD thesis, Universität zu Köln.

Hochmuth, Christian (2020). Parallel Overlapping Schwarz Preconditioners for Incompressible Fluid Flow and Fluid-Structure Interaction Problems. PhD thesis, Universität zu Köln.

Uran, Matthias (2020). High-Performance Computing Two-Scale Finite Element Simulations of a Contact Problem Using Computational Homogenization - Virtual Forming Limit Curves for Dual-Phase Steel. PhD thesis, Universität zu Köln.

Krämer, Jan Martin (2020). Regularity and Symmetry Results for Ground State Solutions of Quasilinear Elliptic Equations. PhD thesis, Universität zu Köln.

Krupp, Stefan (2020). Calculating the EHZ Capacity of Polytopes. PhD thesis, Universität zu Köln.

Rappel, Valentin Maximilian (2020). The path model and Bott–Samelson manifolds in the context of loop groups. PhD thesis, Universität zu Köln.

2019

Pavlovic, Titus (2019). Dirichletreihen und Eulerprodukte. Bachelor thesis, Universität zu Köln.

Opper, Sebastian (2019). A surface model for gentle algebras. PhD thesis, Universität zu Köln.

Neiss, Robert Axel (2019). The Hamiltonian Vlasov Equation. PhD thesis, Universität zu Köln.

Rolfes, Jan Hendrik (2019). Convex Optimization Techniques for Geometric Covering Problems. PhD thesis, Universität zu Köln.

Bohm, Marvin (2019). An entropy stable nodal discontinuous Galerkin method for the resistive MHD equations. PhD thesis, Universität zu Köln.

Friedrich, Lucas (2019). Entropy Stable Summation-by-Parts Methods for Hyperbolic Conservation Laws on h/p Non-Conforming Meshes. PhD thesis, Universität zu Köln.

Saalmann, Aaron (2019). Long-time asymptotics for the massive Thirring model. PhD thesis, Universität zu Köln.

Max, Christopher ORCID: 0000-0001-9887-0474 (2019). Bulk-Boundary Correspondence of Disordered Topological Insulators and Superconductors. PhD thesis, Universität zu Köln.

Kaszian, Jonas ORCID: 0000-0003-4111-5886 (2019). Indefinite Theta Functions and Higher Depth Mock Modular Forms. PhD thesis, Universität zu Köln.

2018

Wintermeyer, Niklas (2018). A novel entropy stable discontinuous Galerkin spectral element method for the shallow water equations on GPUs. PhD thesis, Universität zu Köln.

Herrmann, Hendrik (2018). Bergman Kernel Asymptotics for Partially Positive Line Bundles. PhD thesis, Universität zu Köln.

Reinecke, Christian (2018). Hallalgebren zahmer Gattungen. PhD thesis, Universität zu Köln.

Jang, Min-Joo (2018). Mock theta functions and asymptotics for partition-theoretic functions. PhD thesis, Universität zu Köln.

Kühn, Martin Joachim ORCID: 0000-0002-0906-6984 (2018). Adaptive FETI-DP and BDDC methods for highly heterogeneous elliptic finite element problems in three dimensions. PhD thesis, Universität zu Köln.

Löbrich, Steffen (2018). On Divisors, Congruences, and Symmetric Powers of Modular Forms. PhD thesis, Universität zu Köln.

Bossinger, Lara (2018). Toric degenerations: a bridge between representation theory, tropical geometry and cluster algebras. PhD thesis, Universität zu Köln.

2017

Kühn, Michael (2017). On viscosity solutions and the normalized p-Laplace operator. PhD thesis, Universität zu Köln.

Braukhoff, Marcel Hendrik (2017). Effective equations for a cloud of ultracold atoms in an optical lattice. PhD thesis, Universität zu Köln.

Kollakowski, Nadia (2017). Der Anharmonische Quartische Oszillator: Wohldefiniertheit, spektrale Eigenschaften und Kontrollierbarkeitsaspekte. PhD thesis, Universität zu Köln.

Dostert, Maria Margarethe (2017). Geometric Packings of Non-Spherical Shapes. PhD thesis, Universität zu Köln.

Evers, Christian (2017). Real contact geometry. PhD thesis, Universität zu Köln.

Durst, Sebastian (2017). Contact open books: Classical invariants and the binding sum. PhD thesis, Universität zu Köln.

2016

Kegel, Marc (2016). Legendrian knots in surgery diagrams and the knot complement problem. PhD thesis, Universität zu Köln.

Mollet, Christian (2016). Parabolic PDEs in Space-Time Formulations: Stability for Petrov-Galerkin Discretizations with B-Splines and Existence of Moments for Problems with Random Coefficients. PhD thesis, Universität zu Köln.

Heinlein, Alexander (2016). Parallel Overlapping Schwarz Preconditioners and Multiscale Discretizations with Applications to Fluid-Structure Interaction and Highly Heterogeneous Problems. PhD thesis, Universität zu Köln.

Lange, Christian (2016). Some results on orbifold quotients and related objects. PhD thesis, Universität zu Köln.

Meyer, Johannes (2016). Polar Foliations on Positively Curved Manifolds. PhD thesis, Universität zu Köln.

Wang, Huan (2016). On the Growth of Dimension of Harmonic Spaces of Semipositive Line Bundles over Manifolds. PhD thesis, Universität zu Köln.

Gnedin, Wassilij (2016). Tame matrix problems in Lie theory and commutative algebra. PhD thesis, Universität zu Köln.

Heuser, Christoph (2016). Asymptotic Change-Point Analysis of the Dependencies in Time Series. PhD thesis, Universität zu Köln.

Vierkötter, Matthias (2016). On the Optimal Stochastic Control of Dividend and Penalty Payments in an Insurance Company. PhD thesis, Universität zu Köln.

Backhaus, Teodor (2016). Monomial bases and PBW filtration in representation theory. PhD thesis, Universität zu Köln.

Torgovitski, Leonid (2016). Hilbert Space Valued Signal Plus Noise Models: Analysis of Structural Breaks under High Dimensionality and Temporal Dependence. PhD thesis, Universität zu Köln.

Bucchia, Beatrice (2016). Asymptotic Procedures for a Change-Point Analysis of Random Field. PhD thesis, Universität zu Köln.

Mashkin, Timur (2016). Stability of the Solitary Manifold of the Sine-Gordon Equation. PhD thesis, Universität zu Köln.

2015

Beygmohammadi, Maryam (2015). Hopf's Type Estimates near Singular Boundary Points. PhD thesis, Universität zu Köln.

Gries, Sebastian (2015). System-AMG Approaches for Industrial Fully and Adaptive Implicit Oil Reservoir Simulations. PhD thesis, Universität zu Köln.

Galinat, Lennart (2015). Algebro-Geometric Aspects of the Classical Yang-Baxter Equation. PhD thesis, Universität zu Köln.

Pabel, Roland (2015). Adaptive Wavelet Methods for Variational Formulations of Nonlinear Elliptic PDES on Tensor-Product Domains. PhD thesis, Universität zu Köln.

Pomrehn, Carolin (2015). Generalized sections and representations of copolarity one and two. PhD thesis, Universität zu Köln.

Lanser, Martin Heinrich (2015). Nonlinear FETI-DP and BDDC Methods. PhD thesis, Universität zu Köln.

Desczyk, Christian Rudolf (2015). Z-bases and Hilbert-Poincaré polynomials related to PBW filtrations. PhD thesis, Universität zu Köln.

Gareis, Stephan (2015). L^2-Cohomology of Coverings of q-convex Manifolds and Stein Spaces. PhD thesis, Universität zu Köln.

Radtke, Patrick (2015). Adaptive Coarse Spaces for FETI-DP and BDDC Methods. PhD thesis, Universität zu Köln.

2014

Schumann, Beatrix Caroline (2014). Homological description of crystal structures on quiver varieties. PhD thesis, Universität zu Köln.

Olivetto, René (2014). Harmonic Maass Forms, Jacobi Forms, and Applications to Lie Superalgebras. PhD thesis, Universität zu Köln.

Timmermann, Hella (2014). Monitoring Procedures for Detecting Gradual Changes. PhD thesis, Universität zu Köln.

Dörner, Max Robert (2014). The Space of Contact Forms Adapted to an Open Book. PhD thesis, Universität zu Köln.

Mücke, Mike Heinrich Richard (2014). Prehomogeneous Super Vector Spaces. PhD thesis, Universität zu Köln.

Mertens, Michael Helmut (2014). Mock Modular Forms and Class Numbers of quadratic forms. PhD thesis, Universität zu Köln.

Palzer, Wolfgang (2014). Fourier Analysis on Non-Compact Symmetric Superspaces of Rank One. PhD thesis, Universität zu Köln.

Rhein, Beate (2014). Robuste Optimierung mit Quantilmaßen auf globalen Metamodellen. PhD thesis, Universität zu Köln.

2013

Budke, Albrecht (2013). Finite Difference Methods for the Non-Linear Black-Scholes-Barenblatt Equation. PhD thesis, Universität zu Köln.

Niemann, Bruno (2013). Spherical affine cones for maximal reductive subgroups in exceptional cases. PhD thesis, Universität zu Köln.

Lu, Wen (2013). Morse Inequalities and Bergman Kernels. PhD thesis, Universität zu Köln.

Kus, Deniz (2013). Weyl modules for equivariant map algebras and Kirillov-Reshetikhin crystals. PhD thesis, Universität zu Köln.

2012

Fremdt, Stefan (2012). Asymptotic Methods in Change-Point Analysis. PhD thesis, Universität zu Köln.

Voss, Jan (2012). A system-theoretic approach to multi-agent models. PhD thesis, Universität zu Köln.

Schröter, Alexander (2012). A Fast Quadrature Method for Pricing Basket Default Swaps by Means of Copulae. PhD thesis, Universität zu Köln.

Baumanns, Sascha (2012). Coupled Electromagnetic Field/Circuit Simulation: Modeling and Numerical Analysis. PhD thesis, Universität zu Köln.

Klukas, Mirko (2012). Constructions of open books and applications of convex surfaces in contact topology. PhD thesis, Universität zu Köln.

Erven, Matthias (2012). On the Lifetime of a Conditioned Brownian Motion. PhD thesis, Universität zu Köln.

Albrecht, Kirsten (2012). Untersuchungen zur Kellystrategie für Wetten und Investitionen. PhD thesis, Universität zu Köln.

Matthes, Michael (2012). Numerical Analysis of Nonlinear Partial Differential-Algebraic Equations: A Coupled and an Abstract Systems Approach. PhD thesis, Universität zu Köln.

2011

Jonen, Christian (2011). Efficient Pricing of High-Dimensional American-Style Derivatives: A Robust Regression Monte Carlo Method. PhD thesis, Universität zu Köln.

Wiesendorf, Stephan (2011). Taut Submanifolds and Foliations. PhD thesis, Universität zu Köln.

Bakit, Hany Albadrey Hosham (2011). Cone-like Invariant Manifolds for Nonsmooth Systems. PhD thesis, Universität zu Köln.

Schmitz, Alexander (2011). Limit Theorems in Change-Point Analysis for Dependent Data. PhD thesis, Universität zu Köln.

Scheer, Natalie (2011). Optimal stochastic control of dividends and capital injections. PhD thesis, Universität zu Köln.

Kousidis, Stavros (2011). On the weight distribution in Demazure modules of sl2^. PhD thesis, Universität zu Köln.

Menrath, Michael (2011). Stability criteria for nonlinear fully implicit differential-algebraic systems. PhD thesis, Universität zu Köln.

Klostermann, Inka (2011). Generalization of the Macdonald formula for Hall-Littlewood polynomials. PhD thesis, Universität zu Köln.

2010

Schulz, Markus (2010). Effizientes Schätzen von Erwartungswerten im nichtparametrischen Regressionsmodell mit fehlenden Zielvariablen. PhD thesis, Universität zu Köln.

Stromenger, Christian (2010). Sasakian Manifolds: Differential Forms, Curvature and Conformal Killing Forms. PhD thesis, Universität zu Köln.

Meng, Matthias (2010). Compression of Nakajima monomials in type A and C. PhD thesis, Universität zu Köln.

Mihalache, Stefan-Radu (2010). Sequential Change-Point Detection for Diffusion Processes. PhD thesis, Universität zu Köln.

Stylianou, Athanasios (2010). Comparison and sign preserving properties of bilaplace boundary value problems in domains with corners. PhD thesis, Universität zu Köln.

2009

Parini, Enea (2009). Asymptotic behaviour of higher eigenfunctions of the p-Laplacian as p goes to 1. PhD thesis, Universität zu Köln.

Eisenberg, Julia (2009). Optimal Control of Capital Injections by Reinsurance and Investments. PhD thesis, Universität zu Köln.

Sahamie, Bijan (2009). Dehn Twists and Heegaard Floer Homology. PhD thesis, Universität zu Köln.

Becher, Ann-Katrin (2009). Mathematische Modellierung thalamo-kortikaler Regelkreise mittels Systemen phasengekoppelter Oszillatoren. PhD thesis, Universität zu Köln.

2008

Nowak, Eva (2008). Singuläre Riemannsche Blätterungen ohne horizontal konjugierte Punkte. PhD thesis, Universität zu Köln.

Plura, Olgierd (2008). Anisotrope elliptische partielle Differentialgleichungen. PhD thesis, Universität zu Köln.

Barkowski, Sammy (2008). The Cone of Moving Curves on Algebraic Varieties. PhD thesis, Universität zu Köln.

Schulze, Anna (2008). Approximation Algorithms for Network Design Problems. PhD thesis, Universität zu Köln.

Lätsch, Martin (2008). Schranken für den minimalen orientierten Durchmesser. PhD thesis, Universität zu Köln.

Ehrig, Michael (2008). Construction of MV-polytopes via LS-galleries. PhD thesis, Universität zu Köln.

Bliem, Thomas (2008). On weight multiplicities of complex simple Lie algebras. PhD thesis, Universität zu Köln.

Lohmann, Daniel (2008). Deformationen entlang integrabler Untergarben des Tangentialbündels. Masters thesis, Universität zu Köln.

Bock, Christoph (2008). On Formality and Solvmanifolds. PhD thesis, Universität zu Köln.

2007

Quecke, Sebastian (2007). Efficient Numerical Methods for Pricing American Options under Lévy Models. PhD thesis, Universität zu Köln.

Weiß, Daniel (2007). Allgemeine lineare Verfahren für Differential-Algebraische Gleichungen mit Index 2. PhD thesis, Universität zu Köln.

Peis, Britta (2007). Structure Analysis of Some Generalizations of Matchings and Matroids under Algorithmic Aspects of Matchings and Matroids Under Algorithmic Aspects. PhD thesis, Universität zu Köln.

Gebert, Jutta (2007). Modellierung genregulatorischer Netzwerke mit stückweise linearen Differenzialgleichungen. PhD thesis, Universität zu Köln.

Tang, Kim Kuen (2007). Schätzer in periodisch beobachteten autoregressiven Modellen. PhD thesis, Universität zu Köln.

Stein, Oliver (2007). Hecke-Operatoren und vektorwertige Modulformen zur Weildarstellung. PhD thesis, Universität zu Köln.

Fourier, Ghislain (2007). Some results on finite dimensional modules of current and loop algebras. PhD thesis, Universität zu Köln.

Radde, Nicole (2007). Modeling Non-Linear Dynamic Phenomena in Biochemical Networks. PhD thesis, Universität zu Köln.

Andres, Stephan Dominique (2007). Digraph Coloring Games and Game-Perfectness. PhD thesis, Universität zu Köln.

Kühn, Mario (2007). Sequential Change-Point Analysis Based on Weighted Moving Averages. PhD thesis, Universität zu Köln.

Oppermann, Steffen (2007). Lower bounds for Auslander�s representation dimension. PhD thesis, Universität zu Köln.

2006

Daun, Silvia (2006). Modellierung, Analyse und Berechnung der zerebrovaskularen Regulationsmechanismen. PhD thesis, Universität zu Köln.

Kirch, Claudia (2006). Resampling Methods for the Change Analysis of Dependent Data. PhD thesis, Universität zu Köln.

Jentsch, Tillmann (2006). Submanifolds with parallel second fundamental form studied via the Gauß map. PhD thesis, Universität zu Köln.

Tebege, Samuel (2006). Polar Actions on Hermitian and Quaternion-Kähler Symmetric Spaces. PhD thesis, Universität zu Köln.

Krachkovskyi, Valerii (2006). Stimulus-induzierte Desynchronisation von gekoppelten Oszillatoren mit Zeitverzögerung: Theorie und Anwendung bei neurologischen Patienten. PhD thesis, Universität zu Köln.

Schwer, Christoph (2006). Galleries and q-analogs in combinatorial representation theory. PhD thesis, Universität zu Köln.

Schönhuth, Alexander (2006). Diskretwertige stochastische Vektorräume . Grundlagen, Ergodentheorie und Darstellungen. PhD thesis, Universität zu Köln.

Fakler, Petra (2006). Ein verbandstheoretisches Modell zur Prognose von Kreditausfallwahrscheinlichkeiten. PhD thesis, Universität zu Köln.

2005

Int-Veen, Rainer (2005). Transformationen zur Vermeidung numerischer Dispersion und Verfahren zur Steuerung der Zeitschrittweite für die numerische Optionsbewertung. PhD thesis, Universität zu Köln.

Niederkrüger, Klaus (2005). Compact Lie group actions on contact manifolds. PhD thesis, Universität zu Köln.

Frey, Christian (2005). On Non-local Boundary Value Problems for Elliptic Operators. PhD thesis, Universität zu Köln.

Koert, Otto van (2005). Open books for contact five-manifolds and applications of contact homology. PhD thesis, Universität zu Köln.

Heider, Pascal (2005). Numerische Verfahren zur Lösung des Transmissions-Problems in speziellen Billards und ihre Anwendung zur Konstruktion von Quantenkaskaden-Lasern. PhD thesis, Universität zu Köln.

Klein, Sebastian (2005). The complex quadric from the standpoint of Riemannian geometry. PhD thesis, Universität zu Köln.

2003

Mester, Markus (2003). Mathematische Methoden zur Bildbearbeitung. PhD thesis, Universität zu Köln.

Fridman, Vladislav (2003). Das Eigenwertproblem zum p-Laplace Operator für p gegen 1. PhD thesis, Universität zu Köln.

Aue, Alexander (2003). Sequential Change-Point Analysis based on Invariance Principles. PhD thesis, Universität zu Köln.

Töben, Dirk (2003). Submanifolds with Parallel Focal Structure. PhD thesis, Universität zu Köln.

2002

Britze, Michael (2002). On the Cohomology of Generalized Kummer Varieties. PhD thesis, Universität zu Köln.