Christian Lessig

42 papers A* 1Journal 33Unranked 7

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	A robust and stable hybrid neural network/finite element method for 2D flows that generalizes to different geometries. CoRR Robert Jendersie, Nils Margenberg, Christian Lessig, Thomas Richter
2025	J	`jnl`	Efficient implementation of high-order isospectral symplectic Runge-Kutta schemes. CoRR Clauson Carvalho da Silva, Christian Lessig, Carlos Tomei
2025	J	`jnl`	On Global Applicability and Location Transferability of Generative Deep Learning Models for Precipitation Downscaling. CoRR Paula Harder, Christian Lessig, Matthew Chantry, Francis Pelletier, David Rolnick
2025	J	`jnl`	RainShift: A Benchmark for Precipitation Downscaling Across Geographies. CoRR Paula Harder, Luca Schmidt, Francis Pelletier, Nicole Ludwig, Matthew Chantry, Christian Lessig, Alex Hernández-García, David Rolnick
2024	J	`jnl`	An adaptive finite element multigrid solver using GPU acceleration. CoRR Manuel Liebchen, Utku Kaya, Christian Lessig, Thomas Richter
2024	J	`jnl`	ArchesWeather & ArchesWeatherGen: a deterministic and generative model for efficient ML weather forecasting. CoRR Guillaume Couairon, Renu Singh, Anastase Alexandre Charantonis, Christian Lessig, Claire Monteleoni
2024	J	`jnl`	ArchesWeather: An efficient AI weather forecasting model at 1.5° resolution. CoRR Guillaume Couairon, Christian Lessig, Anastase Alexandre Charantonis, Claire Monteleoni
2024	J	`jnl`	Data driven weather forecasts trained and initialised directly from observations. CoRR Anthony McNally, Christian Lessig, Peter Lean, Eulalie Boucher, Mihai Alexe, Ewan Pinnington, Matthew Chantry, Simon Lang, Chris Burrows, Marcin Chrust, Florian Pinault, Ethel Villeneuve, Niels Bormann, Sean Healy
2024	J	`jnl`	Robustness of AI-based weather forecasts in a changing climate. CoRR Thomas Rackow, Nikolay Koldunov, Christian Lessig, Irina Sandu, Mihai Alexe, Matthew Chantry, Mariana Clare, Jesper Sören Dramsch, Florian Pappenberger, Xabier Pedruzo-Bagazgoitia, Steffen Tietsche, Thomas Jung
2024	—	`conf`	Towards a GPU-Parallelization of the neXtSIM-DG Dynamical Core. PASC Robert Jendersie, Christian Lessig, Thomas Richter
2024	J	`jnl`	Towards a GPU-Parallelization of the neXtSIM-DG Dynamical Core. CoRR Robert Jendersie, Christian Lessig, Thomas Richter
2023	J	`jnl`	AtmoRep: A stochastic model of atmosphere dynamics using large scale representation learning. CoRR Christian Lessig, Ilaria Luise, Bing Gong, Michael Langguth, Scarlet Stadtler, Martin G. Schultz
2023	J	`jnl`	DNN-MG: A Hybrid Neural Network/Finite Element Method with Applications to 3D Simulations of the Navier-Stokes Equations. CoRR Nils Margenberg, Robert Jendersie, Christian Lessig, Thomas Richter
2023	—	`conf`	Improved Projective Dynamics Global Using Snapshots-based Reduced Bases. SIGGRAPH Posters Shaimaa Monem Abdelhafez, Peter Benner, Christian Lessig
2022	J	`jnl`	A Multi-Scale Deep Learning Framework for Projecting Weather Extremes. CoRR Antoine Blanchard, Nishant Parashar, Boyko A. Dodov, Christian Lessig, Themistoklis P. Sapsis
2022	J	`jnl`	A neural network multigrid solver for the Navier-Stokes equations. J. Comput. Phys. Nils Margenberg, Dirk Hartmann, Christian Lessig, Thomas Richter
2022	J	`jnl`	AtmoDist: Self-supervised Representation Learning for Atmospheric Dynamics. CoRR Sebastian Hoffmann, Christian Lessig
2021	J	`jnl`	A data-driven framework for the stochastic reconstruction of small-scale features with application to climate data sets. J. Comput. Phys. Zhong Yi Wan, Boyko A. Dodov, Christian Lessig, Henk Dijkstra, Themistoklis P. Sapsis
2021	J	`jnl`	Deep neural networks for geometric multigrid methods. CoRR Nils Margenberg, Robert Jendersie, Thomas Richter, Christian Lessig
2021	J	`jnl`	Towards Representation Learning for Atmospheric Dynamics. CoRR Sebastian Hoffmann, Christian Lessig
2021	J	`jnl`	Variational symplectic diagonally implicit Runge-Kutta methods for isospectral systems. CoRR Clauson Carvalho da Silva, Christian Lessig
2020	J	`jnl`	A Local Spectral Exterior Calculus for the Sphere and Application to the Shallow Water Equations. CoRR Clauson Carvalho da Silva, Christian Lessig, Boyko A. Dodov, Henk Dijkstra, Themis Sapsis
2020	J	`jnl`	A neural network multigrid solver for the Navier-Stokes equations. CoRR Dirk Hartmann, Christian Lessig, Nils Margenberg, Thomas Richter
2020	J	`jnl`	Local Fourier Slice Photography. ACM Trans. Graph. Christian Lessig
2020	J	`jnl`	Structure Preservation for the Deep Neural Network Multigrid Solver. CoRR Nils Margenberg, Christian Lessig, Thomas Richter
2019	J	`jnl`	Local Fourier Slice Photography. CoRR Christian Lessig
2018	J	`jnl`	A Local Fourier Slice Theorem. CoRR Christian Lessig
2018	J	`jnl`	Divergence Free Polar Wavelets. CoRR Christian Lessig
2018	J	`jnl`	Polar Wavelets in Space. CoRR Christian Lessig
2018	J	`jnl`	Ψec: A Local Spectral Exterior Calculus. CoRR Christian Lessig
2017	—	`conf`	Controlling and Sampling Visibility Information on the Image Plane. EGSR (EI&I) Christian Lessig
2015	—	`conf`	Accuracy of Monocular Gaze Tracking on 3D Geometry. ETVIS Xi Wang, David Lindlbauer, Christian Lessig, Marc Alexa
2014	J	`jnl`	A constructive theory of sampling for image synthesis using reproducing Kernel bases. ACM Trans. Graph. Christian Lessig, Mathieu Desbrun, Eugene Fiume
2012	J	`jnl`	Efficient and accurate rotation of finite spherical harmonics expansions. J. Comput. Phys. Christian Lessig, Tyler de Witt, Eugene Fiume
2012	J	`jnl`	Fluid simulation using Laplacian eigenfunctions. ACM Trans. Graph. Tyler de Witt, Christian Lessig, Eugene Fiume
2012	—	`—`	Modern Foundations of Light Transport Simulation. Christian Lessig
2010	J	`jnl`	On the Effective Dimension of Light Transport. Comput. Graph. Forum Christian Lessig, Eugene Fiume
2009	—	`conf`	On Parallelizing the MRRR Algorithm for Data-Parallel Coprocessors. PPAM (1) Christian Lessig, Paolo Bientinesi
2008	J	`jnl`	SOHO: Orthogonal and symmetric Haar wavelets on the sphere. ACM Trans. Graph. Christian Lessig, Eugene Fiume
2006	—	`conf`	GPU-accelerated ray casting of node-based implicits. SIGGRAPH Research Posters Christian Lessig, Derek Nowrouzezahrai, Karan Singh
2004	A*	`conf`	Video See-Through AR on Consumer Cell-Phones. ISMAR Mathias Möhring, Christian Lessig, Oliver Bimber
2004	—	`conf`	Video see-through and optical tracking with consumer cell phones. SIGGRAPH Sketches Mathias Möhring, Christian Lessig, Oliver Bimber