Search Results - "Lessig, Christian"

A GPU parallelization of the neXtSIM-DG dynamical core (v0.3.1).

Authors: Jendersie, Robert Lessig, Christian Richter, Thomas

Source: Geoscientific Model Development. 2025, Vol. 18 Issue 10, p3017-3040. 24p.

Efficient implementation of high-order isospectral symplectic Runge-Kutta schemes.

Authors: da Silva, Clauson Carvalho Lessig, Christian Tomei, Carlos

Source: BIT: Numerical Mathematics; Jun2026, Vol. 66 Issue 2, p1-17, 17p

Higher-order isospectral time-integration for hydrodynamics on the sphere.

Authors: Silva, Clauson C. da Viviani, Milo Lessig, Christian

Source: Journal of Computational Dynamics; Apr2026, Vol. 14, p1-14, 14p

The neXtSIM-DG dynamical core: A Framework for Higher-order Finite Element Sea Ice Modeling.

Authors: Richter, Thomas Dansereau, Véronique Lessig, Christian et al.

Source: EGUsphere; 3/9/2023, p1-31, 31p

AtmoDist: Self-supervised representation learning for atmospheric dynamics.

Authors: Hoffmann, Sebastian Lessig, Christian

Source: Environmental Data Science; 2023, Vol. 2, p1-24, 24p

Variational symplectic diagonally implicit Runge-Kutta methods for isospectral systems.

Authors: da Silva, Clauson Carvalho Lessig, Christian

Source: BIT: Numerical Mathematics; Dec2022, Vol. 62 Issue 4, p1823-1840, 18p

Ψec: A local spectral exterior calculus.

Authors: Lessig, Christian¹ (AUTHOR) christian.lessig@ovgu.de

Source: Applied & Computational Harmonic Analysis. Mar2021, Vol. 51, p56-103. 48p.

Subjects: Differential forms, Differential calculus, Calculus, Fourier transforms, Stokes equations, Wavelets (Mathematics), Integrals

On the Effective Dimension of Light Transport.

Authors: Lessig, Christian Fiume, Eugene

Source: Computer Graphics Forum; Jun2010, Vol. 29 Issue 4, p1399-1403, 5p, 2 Diagrams, 2 Graphs

Local Fourier Slice Photography.

Authors: Lessig, Christian¹, lessig@isg.cs.uni-magdeburg.de

Source: ACM Transactions on Graphics; May2020, Vol. 39 Issue 3, p1-16, 16p

A dynamical core based on a discontinuous Galerkin method for higher-order finite-element sea ice modeling.

Authors: Richter, Thomas Dansereau, Véronique Lessig, Christian et al.

Source: Geoscientific Model Development. 2023, Vol. 16 Issue 13, p3907-3926. 20p.

Benchmarking the geographic generalization of deep learning models for precipitation downscaling.

Authors: Harder, Paula Schmidt, Luca Pelletier, Francis et al.

Source: Scientific Reports. 1/27/2026, Vol. 16 Issue 1, p1-17. 17p.

DNN-MG: A hybrid neural network/finite element method with applications to 3D simulations of the Navier–Stokes equations.

Authors: Margenberg, Nils Jendersie, Robert Lessig, Christian et al.

Source: Computer Methods in Applied Mechanics & Engineering; Feb2024, Vol. 420, pN.PAG-N.PAG, 1p

Multiresolution Formulation of a Global Circulation Model Specifically Designed for Data-Driven Machine Learning Assistance.

Authors: Dodov, Boyko Lessig, Christian Sapsis, Themistoklis et al.

Source: Geophysical Research Abstracts. 2019, Vol. 21, p1-1. 1p.

A Local Spectral Exterior Calculus for the Primitive Equations.

Authors: da Silva, Clauson Carvalho Lessig, Christian Dodov, Boyko et al.

Source: Geophysical Research Abstracts. 2019, Vol. 21, p1-1. 1p.

A constructive theory of sampling for image synthesis using reproducing Kernel bases.

Authors: Lessig, Christian Desbrun, Mathieu Fiume, Eugene

Source: ACM Transactions on Graphics; Jul2014, Vol. 33 Issue 4, p1-14, 14p

Fluid Simulation Using Laplacian Eigenfunctions.

Authors: DE WITT, TYLER LESSIG, CHRISTIAN FIUME, EUGENE

Source: ACM Transactions on Graphics; Jan2012, Vol. 31 Issue 1, Special Section p1-11, 11p, 2 Charts

ArchesWeatherGen: Skillful and compute-efficient probabilistic weather forecasting with machine learning.

Authors: Couairon, Guillaume Singh, Renu Charantonis, Anastase et al.

Source: Science Advances. 4/24/2026, Vol. 12 Issue 17, p1-17. 17p.

A neural network multigrid solver for the Navier-Stokes equations.

Authors: Margenberg, Nils Hartmann, Dirk Lessig, Christian et al.

Source: Journal of Computational Physics. Jul2022, Vol. 460, pN.PAG-N.PAG. 1p.

Subjects: Navier-Stokes equations, Computational fluid dynamics

A data-driven framework for the stochastic reconstruction of small-scale features with application to climate data sets.

Authors: Wan, Zhong Yi Dodov, Boyko Lessig, Christian et al.

Source: Journal of Computational Physics. Oct2021, Vol. 442, pN.PAG-N.PAG. 1p.

Subjects: Fluid flow, Turbulence, Probability density function, Turbulent flow, Vortex motion

Geographic Terms: Western Europe

Data-assisted reduced-order modeling of climate dynamics.

Authors: Sapsis, Themis Wan, Zhong Yi Dodov, Boyko et al.

Source: Geophysical Research Abstracts. 2019, Vol. 21, p1-1. 1p.