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Yet Another “Decipherment” of the Isthmian Writing2 System 

Vonk, Thomas (2020-02-12)
The qW << 0:1 condition hypothesis is formulated as an estimating quick test for the feasibility of a structurally unique and therefore uncontroversial decipherment
of a given morpho-phonographic writing2 ......
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A mass-conserving sparse grid combination technique with biorthogonal hierarchical basis functions for kinetic simulations 

Pollinger, Theresa; Rentrop, Johannes; Pflüger, Dirk; Kormann, Katharina (2022-09)
The exact numerical simulation of plasma turbulence is one of the assets and challenges in fusion research. For grid-based solvers, sufficiently fine resolutions are often unattainable due to the curse of dimensionality. ...
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Convergence of generalized cross-validation for an ill-posed integral equation 

Jahn, Tim (2023-12)
In this article we rigorously show consistency of generalized cross-validation applied to an exemplary ill-posed integral equation, given a finite number of noisy point evaluations. In particular, we present non-asymptotic ...
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Alignment of Highly Resolved Time-Dependent Experimental and Simulated Crash Test Data 

Garcke, Jochen; Hahner, Sara; Iza-Teran, Rodrigo (2022-05)
We investigate for car and component crash tests the comparison of highly resolved experimental data with corresponding simulation data. Due to re- cent advances for optical measurement systems, one can nowadays obtain ...
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Convergence analysis of online algorithms for vector-valued kernel regression 

Griebel, Michael; Oswald, Peter (2023-09)
We consider the problem of approximating the regression function from noisy vectorvalued data by an online learning algorithm using an appropriate reproducing kernel Hilbert space (RKHS) as prior. In an online algorithm, ...
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On the expected uniform error of Brownian motion approximated by the Lévy-Ciesielski construction 

Brown, Bruce; Griebel, Michael; Kuo, Frances Y.; Sloan, Ian H. (2023-04)
It is known that the Brownian bridge or Lévy-Ciesielski construction of Brownian paths almost surely converges uniformly to the true Brownian path. In the present article the focus is on the uniform error. In particular, ...
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A fault-tolerant domain decomposition method based on space-filling curves 

Griebel, Michael; Schweitzer, Marc Alexander; Troska, Lukas (2021-03)
We propose a simple domain decomposition method for d-dimensional elliptic PDEs which involves an overlapping decomposition into local subdomain problems and a global coarse problem. It relies on a space-filling curve to ...
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Knowledge discovery assistants for crash simulations with graph algorithms and energy absorption features 

Pakiman, Anahita; Garcke, Jochen; Schumacher, Axel (2022)
We propose the representation of data from finite element car crash simulations in a graph database to empower analysis approaches. The industrial perspective of this work is to narrow the gap between the uptake of modern ...
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A dimension-adaptive combination technique for uncertainty quantification 

Griebel, Michael; Seidler, Uta (2022-04)
We present an adaptive algorithm for the computation of quantities of interest involving the solution of a stochastic elliptic PDE where the diffusion coefficient is parametrized by means of a Karhunen-Loève expansion. The ...
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A note on source term representation for control-and-state-constrained parabolic control problems with purely time-dependent control 

Neitzel, Ira (2022-06)
We revisit the concept of source term representation, originally developed for boundary control problems subject to pointwise state constraints in the domain, and apply it to linear-quadratic parabolic control problems ...
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AuthorGriebel, Michael (73)Peterseim, Daniel (17)Hamaekers, Jan (16)Garcke, Jochen (10)Rieger, Christian (10)Neitzel, Ira (9)Oswald, Peter (8)Bohn, Bastian (6)Gallistl, Dietmar (6)Harbrecht, Helmut (6)... View MoreSubjectsparse grids (7)multiscale method (6)convergence rates (5)Sparse grids (5)error estimates (4)subspace correction (4)upscaling (4)a priori error estimates (3)adaptive mesh refinement (3)Brownian configuration fields (3)... View MoreClassification (DDC)510 Mathematik (153)518 Numerische Analysis (153)300 Sozialwissenschaften, Soziologie, Anthropologie (1)400 Sprache, Linguistik (1)490 Andere Sprachen (1)930 Alte Geschichte, Archäologie (1)970 Geschichte Nordamerikas (1)... View MoreResource Type
Preprint (154)
... View MoreDate Issued2020 - 2024 (26)2010 - 2019 (116)2005 - 2009 (12)

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