Tootfinder

Rectifiability of entropy productions for weak solutions of the 2D eikonal equation with supercritical regularity
Xavier Lamy, Elio Marconi
https://arxiv.org/abs/2509.16692 http…

Rectifiability of entropy productions for weak solutions of the 2D eikonal equation with supercritical regularity
Weak solutions $m\colonΩ\subset\mathbb{R}^2\to\mathbb{R}^2$ of the eikonal equation \begin{align*} |m|=1\text{ a.e. and }\mathrm{div}\: m =0\,, \end{align*} arise naturally as sharp interface limits of bounded energy configurations in various physically motivated models, including the Aviles-Giga energy. The distributions $μ_Φ=\mathrm{div}\,Φ(m)$, defined for a class of smooth vector fields $Φ$ called entropies, carry information about singularities and energy cost. If these entr…

The city with lots of artists and hence proper art stores came through, tyvm.
https://mastodon.social/@shriramk/115503499813950900

Three-dimensional Reconstruction and Propagation of an Asymmetric Flux-rope Coronal Mass Ejection
Philippe Lamy, Yannick Boursier, Jean Loirat, Andrei Zhukov
https://arxiv.org/abs/2510.05916

Three-dimensional Reconstruction and Propagation of an Asymmetric Flux-rope Coronal Mass Ejection
We report on the characterization of a coronal mass ejection (CME) observed on 22 October 2003 by the LASCO-C2 and C3 coronagraphs over a time interval of 6 hours. This CME clearly appears as an asymmetric flux-rope in self-similar expansion and in spite of having a single vantage point, this relatively simple morphology and the geometry of the observations allow us to reconstruct its shape and its trajectory. The images are first processed in order to remove most of the background or foregroun…

Exploring the interplay between Planetary Boundaries and Sustainable Development Goals using Large Language Models
Lamyae Rhomrasi, Pilar Manch\'on, Ricardo Vinuesa, Francesco Fuso-Nerini, J. Alberto Conejero, Javier Garc\'ia-Mart\'inez, Sergio Hoyas
https://arxiv.org/abs/2509.02638

Exploring the interplay between Planetary Boundaries and Sustainable Development Goals using Large Language Models
By analyzing 40,037 climate articles using Large Language Models (LLMs), we identified interactions between Planetary Boundaries (PBs) and Sustainable Development Goals (SDGs). An automated reasoner distinguished true trade-offs (SDG progress harming PBs) and synergies (mutual reinforcement) from double positives and negatives (shared drivers). Results show 21.1% true trade-offs, 28.3% synergies, and 19.5% neutral interactions, with the remainder being double positive or negative. Key findings …

Super-resolution of 4D flow MRI through inverse problem explicit solving
Aur\'elien de Turenne, R\'emi Cart-Lamy, Denis Kouam\'e
https://arxiv.org/abs/2509.21071 htt…

Super-resolution of 4D flow MRI through inverse problem explicit solving
Four-dimensional Flow MRI (4D Flow MRI) enables non-invasive, time-resolved imaging of blood flow in three spatial dimensions, offering valuable insights into complex hemodynamics. However, its clinical utility is limited by low spatial resolution and poor signal-to-noise ratio (SNR), imposed by acquisition time constraints. In this work, we propose a novel method for super-resolution and denoising of 4D Flow MRI based on the explicit solution of an inverse problem formulated in the complex dom…

Three-dimensional Reconstruction and Propagation of an Asymmetric Flux-rope Coronal Mass Ejection
Philippe Lamy, Yannick Boursier, Jean Loirat, Andrei Zhukov
https://arxiv.org/abs/2510.05916

Dense Subgraph Clustering and a New Cluster Ensemble Method
The-Anh Vu-Le, Jo\~ao Alfredo Cardoso Lamy, Tom\'as Alessi, Ian Chen, Minhyuk Park, Elfarouk Harb, George Chacko, Tandy Warnow
https://arxiv.org/abs/2508.17013

Dense Subgraph Clustering and a New Cluster Ensemble Method
We propose DSC-Flow-Iter, a new community detection algorithm that is based on iterative extraction of dense subgraphs. Although DSC-Flow-Iter leaves many nodes unclustered, it is competitive with leading methods and has high-precision and low-recall, making it complementary to modularity-based methods that typically have high recall but lower precision. Based on this observation, we introduce a novel cluster ensemble technique that combines DSC-Flow-Iter with modularity-based clustering, to pr…

The ASPIICS solar coronagraph aboard the Proba-3 formation flying mission. Scientific objectives and instrument design
A. N. Zhukov, C. Thizy, D. Galano, B. Bourgoignie, L. Dolla, C. Jean, B. Nicula, S. Shestov, C. Galy, R. Rougeot, J. Versluys, J. Zender, P. Lamy, S. Fineschi, S. Gunar, B. Inhester, M. Mierla, P. Rudawy, K. Tsinganos, S. Koutchmy, R. Howard, H. Peter, S. Vives, L. Abbo, C. Aime, K. Aleksiejuk, J. Baran, U. Bak-Steslicka, A. Bemporad, D. Berghmans, D. Besliu-Ionescu, S…

The ASPIICS solar coronagraph aboard the Proba-3 formation flying mission. Scientific objectives and instrument design
We describe the scientific objectives and instrument design of the ASPIICS coronagraph launched aboard the Proba-3 mission of the European Space Agency (ESA) on 5 December 2024. Proba-3 consists of two spacecraft in a highly elliptical orbit around the Earth. One spacecraft carries the telescope, and the external occulter is mounted on the second spacecraft. The two spacecraft fly in a precise formation during 6 hours out of 19.63 hour orbit, together forming a giant solar coronagraph called AS…