activity
20222026
most citedOntologies for Models and Algorithms in Applied Mathematics and Related Disciplines

3 citations · 6 across the 14 of their papers we have counts for

collaborators

14 papers

eess.SY2026

Robust lane-change intention anticipation under uncertainty based on a recursive Bayesian filtering approach

Dilara Kılınç, Hendrik Kleikamp, Bruno Viti

In this paper we discuss and analyze a method for lane-change intention anticipation of drivers on highways based on kinematic features and surrounding observations. The approach m…

cs.MS2026

Data-Driven Model Order Reduction with pyMOR

Hendrik Kleikamp, Petar Mlinarić, Stephan Rave +1

pyMOR is a free and open-source software library of model order reduction algorithms for the Python programming language. Designed with classical model-based reduction methods for…

math.OC2026

Overcoming slow Kolmogorov width decay in parametric optimal control via neural network surrogates

Hendrik Kleikamp, Martin Lazar, Juan Ricardo Muñoz

In this paper we deal with parametric, linear-quadratic optimal control problems in which the solution can be uniquely characterized by the optimal final time adjoint state. As a m…

math.NA2024

Adaptive Model Hierarchies for Multi-Query Scenarios

Hendrik Kleikamp, Mario Ohlberger

In this contribution we present an abstract framework for adaptive model hierarchies together with several instances of hierarchies for specific applications. The hierarchy is part…

math.NA2024

Kernel Methods in the Deep Ritz framework: Theory and practice

Hendrik Kleikamp, Tizian Wenzel

In this contribution, kernel approximations are applied as ansatz functions within the Deep Ritz method. This allows to approximate weak solutions of elliptic partial differential…

math.NA2024

Two-stage model reduction approaches for the efficient and certified solution of parametrized optimal control problems

Hendrik Kleikamp, Lukas Renelt

In this contribution we develop an efficient reduced order model for solving parametrized linear-quadratic optimal control problems with linear time-varying state system. The fully…

cs.AI2024★ 2 cited

Towards a Knowledge Graph for Models and Algorithms in Applied Mathematics

Björn Schembera, Frank Wübbeling, Hendrik Kleikamp +8

Mathematical models and algorithms are an essential part of mathematical research data, as they are epistemically grounding numerical data. In order to represent models and algorit…

math.OC2024

Application of an adaptive model hierarchy to parametrized optimal control problems

Hendrik Kleikamp

In this contribution we apply an adaptive model hierarchy, consisting of a full-order model, a reduced basis reduced order model, and a machine learning surrogate, to parametrized…

cs.AI2023★ 3 cited

Ontologies for Models and Algorithms in Applied Mathematics and Related Disciplines

Björn Schembera, Frank Wübbeling, Hendrik Kleikamp +8

In applied mathematics and related disciplines, the modeling-simulation-optimization workflow is a prominent scheme, with mathematical models and numerical algorithms playing a cru…

math.OC2023

Be greedy and learn: efficient and certified algorithms for parametrized optimal control problems

Hendrik Kleikamp, Martin Lazar, Cesare Molinari

We consider parametrized linear-quadratic optimal control problems and provide their online-efficient solutions by combining greedy reduced basis methods and machine learning algor…

math.NA2023

Application of Deep Kernel Models for Certified and Adaptive RB-ML-ROM Surrogate Modeling

Tizian Wenzel, Bernard Haasdonk, Hendrik Kleikamp +2

In the framework of reduced basis methods, we recently introduced a new certified hierarchical and adaptive surrogate model, which can be used for efficient approximation of input-…

math.NA2022★ 1 cited

A new certified hierarchical and adaptive RB-ML-ROM surrogate model for parametrized PDEs

B. Haasdonk, H. Kleikamp, M. Ohlberger +2

We present a new surrogate modeling technique for efficient approximation of input-output maps governed by parametrized PDEs. The model is hierarchical as it is built on a full ord…

math.NA2022

Nonlinear Model Order Reduction using Diffeomorphic Transformations of a Space-Time Domain

Hendrik Kleikamp, Mario Ohlberger, Stephan Rave

In many applications, for instance when describing dynamics of fluids or gases, hyperbolic conservation laws arise naturally in the modeling of conserved quantities of a system, li…

math.NA2022

Adaptive machine learning based surrogate modeling to accelerate PDE-constrained optimization in enhanced oil recovery

Tim Keil, Hendrik Kleikamp, Rolf J Lorentzen +2

In this contribution, we develop an efficient surrogate modeling framework for simulation-based optimization of enhanced oil recovery, where we particularly focus on polymer floodi…