Multigoal-oriented adaptive finite element method with convergence rates
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arXiv
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| Auteurs principaux: | , , , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866912802513354752 |
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| author | Becker, Roland Brunner, Maximilian Hilbert, Paula Innerberger, Michael Praetorius, Dirk |
| author_facet | Becker, Roland Brunner, Maximilian Hilbert, Paula Innerberger, Michael Praetorius, Dirk |
| contents | We formulate and analyze a goal-oriented adaptive finite element method for a symmetric linear elliptic partial differential equation (PDE) that can simultaneously deal with multiple linear goal functionals. In each step of the algorithm, only two linear finite element systems have to be solved. Moreover, all finite element solutions are computed with respect to the same discrete space, while the underlying triangulations are adapted to resolve all inherent singularities simultaneously. Unlike available results for such a setting in the literature, we give a thorough convergence analysis and verify that our algorithm guarantees, in an appropriate sense, even optimal convergence rates. Numerical experiments underline the derived theoretical results. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_01965 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Multigoal-oriented adaptive finite element method with convergence rates Becker, Roland Brunner, Maximilian Hilbert, Paula Innerberger, Michael Praetorius, Dirk Numerical Analysis 65N30, 65N50, 65N15, 65Y20, 41A25 We formulate and analyze a goal-oriented adaptive finite element method for a symmetric linear elliptic partial differential equation (PDE) that can simultaneously deal with multiple linear goal functionals. In each step of the algorithm, only two linear finite element systems have to be solved. Moreover, all finite element solutions are computed with respect to the same discrete space, while the underlying triangulations are adapted to resolve all inherent singularities simultaneously. Unlike available results for such a setting in the literature, we give a thorough convergence analysis and verify that our algorithm guarantees, in an appropriate sense, even optimal convergence rates. Numerical experiments underline the derived theoretical results. |
| title | Multigoal-oriented adaptive finite element method with convergence rates |
| topic | Numerical Analysis 65N30, 65N50, 65N15, 65Y20, 41A25 |
| url | https://arxiv.org/abs/2601.01965 |