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19932026
most citedA Review of Innovation-Based Methods to Jointly Estimate Model and Observation Error Covariance Matrices in Ensemble Data Assimilation

143 citations

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collaborating institutions

306 papers

stat.ME2026

Information criteria exploiting latent structure for model selection in Structural Equation Models

Marion Naveau, Magalie Houée-Bigot, Matthieu Marbac +2

Structural equation models (SEM) are widely used to describe dependency structures between latent variables, making model selection a key issue in many applications. Existing infor…

math.AG2026

Quotients of real algebraic sets and AS-sets equipped with a linearizable compact group action

Fabien Priziac

We present the full-detailed construction of new geometric quotient structures for affine real algebraic varieties equipped with a linearizable action of a compact Lie group G. The…

math.AP2026

Semi-explicit entropic solution to a generalised Riemann problem in some hydrological context

Brice Franke, Majid Lagnaoui, Catherine Rainer

We discuss solutions of the one dimensional scalar conservation law with the flux function $y\longmapsto G_{c,ρ}\left(y\right)=((1-ρ)c-y)\mathbb{1}_{\{y>c\}}-ρy\mathbb{1}_{\{y\leqs…

gr-qc2026★ 1 cited

Horizon Multipole Moments of a Kerr Black Hole

Eric Gourgoulhon, Alexandre Le Tiec, Marc Casals

The horizon multipole moments of a Kerr black hole are computed from two distinct definitions that have been proposed in the literature. The first one [Ashtekar et al., Class. Quan…

math.OC2025

Generalized differentiation in Wasserstein space and application to multiagent control problem

Rossana Capuani, Antonio Marigonda, Marc Quincampoix

Several concepts of generalized differentiation in Wasserstein space have been proposed in order to deal with the intrinsic nonsmoothness arising in the context of optimization pro…

math.NA2025

Discrete -theorem for a finite volume discretization of a nonlinear kinetic system: application to hypocoercivity

Marianne Bessemoulin-Chatard, Tino Laidin, Thomas Rey

In this article, we study the long-time behavior of a finite-volume discretization for a nonlinear kinetic reaction model involving two interacting species. Building upon the semin…