Tootfinder

Agentic AI and Multiagentic: Are We Reinventing the Wheel?
V. Botti
https://arxiv.org/abs/2506.01463 https://arxiv.org/pdf/2506.01463…

Agentic AI and Multiagentic: Are We Reinventing the Wheel?
The terms Agentic AI and Multiagentic AI have recently gained popularity in discussions on generative artificial intelligence, often used to describe autonomous software agents and systems composed of such agents. However, the use of these terms confuses these buzzwords with well-established concepts in AI literature: intelligent agents and multi-agent systems. This article offers a critical analysis of this conceptual misuse. We review the theoretical origins of "agentic" in the social science…

Towards an observationally motivated AGN dusty torus model -- II. The roles of density distribution and chemical composition of the dust
Omar Ulises Reyes-Amador, Omaira Gonz\'alez-Mart\'in, Jacopo Fritz, Maarten Baes, Sundar Srinivasan, Ismael Garc\'ia-Bernete, Donaji Esparza-Arredondo, Marko Stalevski
https://arxiv…

Towards an observationally motivated AGN dusty torus model -- II. The roles of density distribution and chemical composition of the dust
Several models of nuclear dust in active galactic nuclei (AGN) have been presented in the literature to determine its physical and geometrical properties, usually assuming the dust density distribution as the main aspect producing differences in the mid-infrared (MIR) emission of AGNs. We present a study of the MIR emission of nearby AGNs by exploring the effects of dust distribution and chemical composition on the spectral energy distributions (SEDs) using radiative transfer simulations. Our m…

Prediction of the SVOM MXT camera end of life spectral performance based onproton irradiation results
Clara Plasse, Diego G\"otz, Aline Meuris, Miguel Fernandez Moita, Philippe Ferrando, Leo Favier, Francesco Ceraudo
#toXiv_bot_toot

Toponogov comparison and the collar theorem for complete surfaces with an appendix on the level sets of distance functions
Peter Buser, Jose M. Rodriguez
https://arxiv.org/abs/2507.00104

Toponogov comparison and the collar theorem for complete surfaces with an appendix on the level sets of distance functions
In the 1970s, the collar theorem was proven, establishing the existence of uniform tubular neighborhoods of simple closed geodesics on compact surfaces, whose widths depend only on the lengths of the geodesics and the lower bound of the curvature, but not on the surface. In this paper, we improve this result by eliminating the compactness hypothesis. To achieve this result, we needed to prove new Toponogov-type triangle comparison theorems. We also add a new theorem to the literature on the rec…

The Composition of Digital Twins for Systems-of-Systems: a Systematic Literature Review
Mennatullah T. Khedr, John S. Fitzgerald
https://arxiv.org/abs/2506.20435

The Composition of Digital Twins for Systems-of-Systems: a Systematic Literature Review
Digital Twins (DTs) are increasingly used to model complex systems, especially in Cyber-Physical Systems (CPS) and System-of-Systems (SoS), where effective integration is key. This systematic literature review investigates DT composition and verification and validation (V&V) methodologies. Analyzing 21 studies from 2022-2024, we examined composition mechanisms, SoS characteristics, and V&V formality, scope, and challenges. While composition is discussed, formalization is limited. V&V approaches…

Adaptive finite element type decomposition of Gaussian processes
Jaehoan Kim, Anirban Bhattacharya, Debdeep Pati
https://arxiv.org/abs/2505.24066 https://

Adaptive finite element type decomposition of Gaussian processes
In this paper, we investigate a class of approximate Gaussian processes (GP) obtained by taking a linear combination of compactly supported basis functions with the basis coefficients endowed with a dependent Gaussian prior distribution. This general class includes a popular approach that uses a finite element approximation of the stochastic partial differential equation (SPDE) associated with Matérn GP. We explored another scalable alternative popularly used in the computer emulation literatu…

Extending OpenMC Validation to Spent Fuel Canisters: A Criticality Benchmark Against MCNP
Javier Ruiz-Pineda, Jaime Romero-Barrientos, Francisco Molina, Marcelo Zambra, Franco L\'opez-Usquiano
https://arxiv.org/abs/2506.22559

Extending OpenMC Validation to Spent Fuel Canisters: A Criticality Benchmark Against MCNP
OpenMC is an open-source Monte Carlo code with increasing relevance in criticality safety and reactor physics applications. While its validation has covered a broad range of systems, its performance in spent nuclear fuel storage scenarios remains limited in the literature. This work benchmarks OpenMC against MCNP for eleven configurations based on the KBS-3 disposal concept, involving variations in geometry, fuel composition (fresh vs spent), and environmental conditions (e.g., air, argon, floo…

Measuring frailty in the elderly: an indicator based on a super-classifier
Sara Rebottini, Pietro Belloni
https://arxiv.org/abs/2506.22349 https://

Measuring frailty in the elderly: an indicator based on a super-classifier
Identifying frail older adults in an ageing population has become crucial to improve the services offered by a healthcare system. This work aims to develop a composite indicator to assess the level of frailty of individuals using administrative health data. Since frailty has a complex, multidimensional nature, a multi-outcome approach was used. After an extensive literature research, some health adverse events were identified to represent frailty. These adverse events were modelled by logistic …

Metallicities from High-Resolution TRES Spectra with The Payne and uberMS: Performance Benchmarks and Literature Comparison
Emily K. Pass, Phillip A. Cargile, Victoria DiTomasso, Romy Rodr\'iguez Mart\'inez, David Charbonneau, David W. Latham, Andrew Vanderburg, Allyson Bieryla, Samuel N. Quinn, Lars A. Buchhave
https://…

Metallicities from High-Resolution TRES Spectra with The Payne and uberMS: Performance Benchmarks and Literature Comparison
As the field of exoplanetary astronomy has matured, there has been growing demand for precise stellar abundances to probe subtle correlations between stellar compositions and planetary demographics. However, drawing population-level conclusions from the disparate measurements in the literature is challenging, with various groups measuring metallicities using bespoke codes with differing line lists, radiative transfer models, and other assumptions. Here we use the neural-net framework uberMS to …

A free boundary approach to non-scattering obstacles with vanishing contrast
Mikko Salo, Henrik Shahgholian
https://arxiv.org/abs/2506.22328 https://

A free boundary approach to non-scattering obstacles with vanishing contrast
Motivated by questions in inverse scattering theory, we develop free boundary methods in obstacle problems where both the solution and the right hand side of the equation may have varying sign. The key condition that prevents the appearance of corners is that the right hand side should be related to a harmonic polynomial. In this setting we prove new free boundary results not found in existing literature. Notably, our results imply that piecewise $C^1$ or convex penetrable obstacles in two dime…