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On Monte Carlo methods with applications to the current satellite gravity missions
Alkhatib, Hamza (2007)Large-scaled least squares problems require tailored numerical techniques to overcome the computational burden. For these types of problems iterative strategies are suitable because of their flexibility and effectiveness. ... -
On Multilevel Methods Based on Non-Nested Meshes
Dickopf, Thomas (2010-12-15)This thesis is concerned with multilevel methods for the efficient solution of partial differential equations in the field of scientific computing. Further, emphasis is put on an extensive study of the information transfer ... -
On Past, Present and Calamity: Review of Madonnas letzter Traum (Madonna’s Last Dream) by Doğan Akhanlı
Wustmann, Gerrit (2021-06-08) -
On Presenting Characters and the Representation of Persons: A Narratological Study of Characters in Narrative Suttas of the Majjhima Nikāya
Galasek, Bruno (2016-07-22)The present doctoral dissertation constitutes a detailed study of the literary presentation of persons in selected texts of the sacred collection of texts of early Indian Buddhism called the Pali Canon. Individual texts ... -
On Problems Related To Galaxy Formation
Abdullah, Ahmed Hasan (2016-05-17)The main idea of the underlying PhD study is to trace the history of the assembly of galaxies and of their subsequent evolution. We approach this issue in two ways: 1) by studying galaxy spin and 2) by studying the oldest ... -
On quotients of ω* and automorphisms of P(ω)/fin that preserve or invert the shift
Silveira Salles, Tomás (2016-05-30)The first part of the dissertation concerns the space ω*:=βω\ω and its quotients. A 2002 result from Bella, Dow, Hart, Hrusak, van Mill and Ursino implies that homeomorphisms between 0-dimensional second-countable Hausdorff ... -
On Rho Invariants of Fiber Bundles
Bohn, Michael (2009-07-21)Using adiabatic limits of Eta invariants, Rho invariants of the total space of a fiber bundle are investigated. One concern is to formulate the aspects of local index theory for families of Dirac operator in terms of the ... -
On rigidity of the ring spectra PmS(p) and ko
Hutschenreuter, Katja (2012-09-14)We study the rigidity question for modules over certain ring spectra. A stable model category is rigid if its homotopy category determines the Quillen equivalence type of the model category. Amongst others, we prove that ... -
On some Geometric Search Problems: Algorithms, Complexity, Computability
Kübel, David J. F. (2020-11-25)This thesis considers four search problems which are related to or emerge from a geometric context. Each search problem is examined in a separate chapter; these four chapters are framed by an introduction and a conclusion ... -
On Some Rigidity Properties in PDEs
Rüland, Angkana (2014-04-16)This thesis is dedicated to the study of three rigidity properties arising in different partial differential equations: (1) the backward uniqueness property of the heat equation in two-dimensional conical domains, (2) the ... -
On some variational problems in geometry
Matthiesen, Henrik (2018-08-28)In this thesis we consider several variational problems in geometry that have a connection to the spectrum of the Laplacian acting on functions. In the first part, we study a quantity called the analytic systole, which was ... -
On steady Kähler-Ricci solitons
Schäfer, Johannes (2021-08-26)In this thesis we study the existence and uniqueness of steady Kähler-Ricci solitons. We consider two classes of manifolds on which we obtain new examples of steady solitons by using different methods for each class. In ... -
On Supporting Interoperability between RDF and Property Graph Databases
Thakker, Harsh Vrajeshkumar (2021-05-18)Over the last few years, the amount and availability of machine-readable Open, Linked, and Big data on the web has increased. Simultaneously, several data management systems have emerged to deal with the increased amounts ... -
On the Classification of Cohomology Bott Manifolds
Abczynski, Anna (2013-11-07)We study cohomology Bott manifolds by means of modified surgery theory. Cohomology Bott manifolds admit a ring isomorphism to the cohomology ring of a Bott manifold which preserves the Pontrjagin and Stiefel-Whitney classes. ... -
On the Conception of Fundamental Time Asymmetries in Physics
Wohlfarth, Daniel (2013-04-02)The investigation is divided in 7 chapters and aims to argue for the realizability of a new conception of ‘fundamental time asymmetries’ in physics. After an introduction (chapter 1) in the field of interest, the investigation ... -
On the dynamics of correlations in Scaling limits of interacting particle systems
Winter, Raphael Elias (2018-07-09)In this work, we analyze the properties of two-particle correlations in the weak-coupling and plasma limit of interacting particle systems motivated by Bogolyubov's formal derivation of kinetic equations.
We prove ... -
On the ecology and biogeography of alpine tundra arachnids
Hein, Nils (2014-05-21)In the course of the discussion about the effects of manmade Climate Change on ecosystems, alpine regions of the earth have become a major focus. Alpine ecosystems are generally considered to be especially sensitive towards ... -
On the effective properties of suspensions
Schubert, Richard (2019-02-04)Einstein's formula for the viscosity of dilute suspensions describes how rigid particles immersed in a Stokes-fluid increase its macroscopic viscosity in terms of the particle volume density ∅. However, up to now, a rigorous ... -
On the enigmatic mechanism of signal transduction of "arrestin-biased" angiotensin peptides: spotlight on endogenous angiotensin 1-7
Zeiner, Julian (2024-02-27)(noch nicht zugänglich / not yet accessible) -
On the Feynman-Kac formula for Schrödinger semigroups on vector bundles
Güneysu, Batu (2011-05-11)In this thesis we generalize the Feynman-Kac formula to semigroups that correspond to Schrödinger type operators with possibly singular potentials on vector bundles over noncompact Riemannian manifolds.
This ...