Harmonic Maps into Trees and GraphsAnalytical and Numerical Aspects
Harmonic Maps into Trees and Graphs
Analytical and Numerical Aspects
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dc.contributor.advisor | Sturm, Karl-Theodor | |
dc.contributor.author | Hesse, Martin | |
dc.date.accessioned | 2020-04-06T23:15:31Z | |
dc.date.available | 2020-04-06T23:15:31Z | |
dc.date.issued | 2005 | |
dc.identifier.uri | https://hdl.handle.net/20.500.11811/2127 | |
dc.description.abstract | The main topic of this work is the definition and investigation of a nonlinear energy for maps with values in trees and graphs and the analysis of the corresponding nonlinear Dirichlet problem. The nonlinear energy is defined using a semigroup approach based on Markov kernels and the nonlinear Dirichlet problem is given as a minimizing problem of the nonlinear energy. Conditions for the existence and uniqueness of a solution to the nonlinear Dirichlet problem are presented. A numerical algorithm is developed to solve the nonlinear Dirichlet problem for maps from a two dimensional Euclidean domain into trees. The problem is discretized using a suitable finite element approach and convergence of a corresponding iterative numerical method is proven. Furthermore, for graph targets homotopy problems are analyzed. For particular domain spaces the existence of a minimizer of the nonlinear energy in a given homotopy class is shown. | |
dc.language.iso | eng | |
dc.rights | In Copyright | |
dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | |
dc.subject.ddc | 510 Mathematik | |
dc.title | Harmonic Maps into Trees and Graphs | |
dc.title.alternative | Analytical and Numerical Aspects | |
dc.type | Dissertation oder Habilitation | |
dc.publisher.name | Universitäts- und Landesbibliothek Bonn | |
dc.publisher.location | Bonn | |
dc.rights.accessRights | openAccess | |
dc.identifier.urn | https://nbn-resolving.org/urn:nbn:de:hbz:5N-04846 | |
ulbbn.pubtype | Erstveröffentlichung | |
ulbbnediss.affiliation.name | Rheinische Friedrich-Wilhelms-Universität Bonn | |
ulbbnediss.affiliation.location | Bonn | |
ulbbnediss.thesis.level | Dissertation | |
ulbbnediss.dissID | 484 | |
ulbbnediss.date.accepted | 15.12.2004 | |
ulbbnediss.fakultaet | Mathematisch-Naturwissenschaftliche Fakultät | |
dc.contributor.coReferee | Rumpf, Martin |
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