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19932026
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183 papers · 1 filter

astro-ph.SR2023★ 1 cited

Seismic and spectroscopic analysis of 9 bright red giants observed by Kepler

H. R. Coelho, A. Miglio, T. Morel +21

Photometric time series gathered by space telescopes such as CoRoT and Kepler allow to detect solar-like oscillations in red-giant stars and to measure their global seismic constra…

astro-ph.IM2023★ 1 cited

Adaptive Optics Telemetry Standard: Design and specification of a novel data exchange format

Tiago Gomes, Carlos M. Correia, Lisa Bardou +9

The amount of Adaptive Optics (AO) telemetry generated by VIS/NIR ground-based observatories is ever greater, leading to a growing need for a standardised data exchange format to s…

astro-ph.IM2023★ 1 cited

HRMOS White Paper: Science Motivation

Laura Magrini, Thomas Bensby, Anna Brucalassi +52

The High-Resolution Multi-Object Spectrograph (HRMOS) is a facility instrument that we plan to propose for the Very Large Telescope (VLT) of the European Southern Observatory (ESO)…

cs.NI2023★ 2 cited

Resource Allocation for Dataflow Applications in FANETs using Anypath Routing

Juan José López Escobar, Manuel Ricardo, Rui Campos +2

Management of network resources in advanced IoT applications is a challenging topic due to their distributed nature from the Edge to the Cloud, and the heavy demand of real-time da…

cs.RO2023★ 3 cited

Designing a skilled soccer team for RoboCup: exploring skill-set-primitives through reinforcement learning

Miguel Abreu, Luis Paulo Reis, Nuno Lau

The RoboCup 3D Soccer Simulation League serves as a competitive platform for showcasing innovation in autonomous humanoid robot agents through simulated soccer matches. Our team, F…

math.DS2023

Complex ODEs, singularity theory and dynamics

Helena Reis

These notes are a slightly enlarged version of my habilitation thesis, where our research interest and main results in the past few years are summarized. Most of the discussion rev…

astro-ph.GA2023★ 12 cited

MAGIC: Muse gAlaxy Groups In Cosmos -- A survey to probe the impact of environment on galaxy evolution over the last 8 Gyr

B. Epinat, T. Contini, W. Mercier +22

We introduce the MUSE gAlaxy Groups in COSMOS (MAGIC) survey, which was built to study the impact of environment on galaxy evolution over the last 8 Gyr. It consists of 17 MUSE fie…

astro-ph.EP2023★ 64 cited

A resonant sextuplet of sub-Neptunes transiting the bright star HD 110067

R. Luque, H. P. Osborn, A. Leleu +149

Planets with radii between that of the Earth and Neptune (hereafter referred to as sub-Neptunes) are found in close-in orbits around more than half of all Sun-like stars. Yet, thei…

cs.CV2023★ 7 cited

Optimization of Image Processing Algorithms for Character Recognition in Cultural Typewritten Documents

Mariana Dias, Carla Teixeira Lopes

Linked Data is used in various fields as a new way of structuring and connecting data. Cultural heritage institutions have been using linked data to improve archival descriptions a…

cs.CL2023★ 8 cited

GPT Struct Me: Probing GPT Models on Narrative Entity Extraction

Hugo Sousa, Nuno Guimarães, Alípio Jorge +1

The importance of systems that can extract structured information from textual data becomes increasingly pronounced given the ever-increasing volume of text produced on a daily bas…

astro-ph.EP2023★ 19 cited

The SOPHIE search for northern extrasolar planets-XIX. A system including a cold sub-Neptune potentially transiting a V = 6.5 star HD88986

N. Heidari, I. Boisse, N. C. Hara +51

Transiting planets with orbital periods longer than 40 d are extremely rare among the 5000+ planets discovered so far. The lack of discoveries of this population poses a challenge…

astro-ph.EP2023★ 13 cited

Giant Outer Transiting Exoplanet Mass (GOT 'EM) Survey: III. Recovery and Confirmation of a Temperate, Mildly Eccentric, Single-Transit Jupiter Orbiting TOI-2010

Christopher R. Mann, Paul A. Dalba, David Lafrenière +48

Large-scale exoplanet surveys like the TESS mission are powerful tools for discovering large numbers of exoplanet candidates. Single-transit events are commonplace within the resul…

astro-ph.EP2023★ 11 cited

TESS Giants Transiting Giants V -- Two hot Jupiters orbiting red-giant hosts

Filipe Pereira, Samuel K. Grunblatt, Angelica Psaridi +24

In this work we present the discovery and confirmation of two hot Jupiters orbiting red-giant stars, TOI-4377 b and TOI-4551 b, observed by TESS in the southern ecliptic hemisphere…

stat.ML2023★ 2 cited

Learning Linear Gaussian Polytree Models with Interventions

D. Tramontano, L. Waldmann, M. Drton +1

We present a consistent and highly scalable local approach to learn the causal structure of a linear Gaussian polytree using data from interventional experiments with known interve…

cond-mat.dis-nn2023

Effects of dilution in a 2D topological magnon insulator

Miguel S. Oliveira, T. V. C. Antão, Eduardo V. Castro +1

We study the effect of diluting a two-dimensional ferromagnetic insulator hosting a topological phase in the clean limit. By considering the ferromagnetic Heisenberg model in the h…

cs.CR2023

HAL 9000: a Risk Manager for ITSs

Tadeu Freitas, Carlos Novo, Joao Soares +4

HAL 9000 is an Intrusion Tolerant Systems (ITSs) Risk Manager, which assesses configuration risks against potential intrusions. It utilizes gathered threat knowledge and remains op…

astro-ph.IM2023★ 10 cited

Galaxy Spectra neural Network (GaSNet). II. Using Deep Learning for Spectral Classification and Redshift Predictions

Fucheng Zhong, Nicola R. Napolitano, Caroline Heneka +25

Large sky spectroscopic surveys have reached the scale of photometric surveys in terms of sample sizes and data complexity. These huge datasets require efficient, accurate, and fle…

cond-mat.mes-hall2023★ 4 cited

Unambiguous Simulation of Diffusive Charge Transport in Disordered Nanoribbons

H. P. Veiga, S. M. João, J. M. Alendouro Pinho +2

Charge transport in disordered two-dimensional (2D) systems showcases a myriad of unique phenomenologies that highlight different aspects of the underlying quantum dynamics. Electr…

astro-ph.CO2023

Euclid preparation. XXXIX. The effect of baryons on the Halo Mass Function

Euclid Collaboration, T. Castro, S. Borgani +220

The Euclid photometric survey of galaxy clusters stands as a powerful cosmological tool, with the capacity to significantly propel our understanding of the Universe. Despite being…

cs.SE2023★ 1 cited

Spreadsheet-based Configuration of Families of Real-Time Specifications

José Proença, David Pereira, Giann Spilere Nandi +2

Model checking real-time systems is complex, and requires a careful trade-off between including enough detail to be useful and not too much detail to avoid state explosion. This wo…

astro-ph.EP2023

No random transits in CHEOPS observations of HD 139139

R. Alonso, S. Hoyer, M. Deleuil +78

HD 139139 (a.k.a. 'The Random Transiter') is a star that exhibited enigmatic transit-like features with no apparent periodicity in K2 data. The shallow depth of the events (2…

astro-ph.EP2023★ 8 cited

A hot mini-Neptune and a temperate, highly eccentric sub-Saturn around the bright K-dwarf TOI-2134

F. Rescigno, G. Hébrard, A. Vanderburg +64

We present the characterisation of an inner mini-Neptune in a 9.22920050.0000063 day orbit and an outer mono-transiting sub-Saturn planet in a 95.50 day orbi…

astro-ph.CO2023★ 1 cited

Dark Energy Survey Year 3 Results: Mis-centering calibration and X-ray-richness scaling relations in redMaPPer clusters

P. Kelly, J. Jobel, O. Eiger +76

We use Dark Energy Survey Year 3 (DES Y3) clusters with archival X-ray data from XMM-Newton and Chandra to assess the centering performance of the redMaPPer cluster finder and to m…

cond-mat.str-el2023★ 7 cited

Zigzag materials: selective interchain couplings control the coexistence of one-dimensional physics and deviations from it

J. M. P. Carmelo, P. D. Sacramento, T. Stauber +1

The coexistence in the low-temperature spin-conducting phases of the zigzag materials BaCo2V2O8 and SrCo2V2O8 of one-dimensional (1D) physics with important deviations from it is n…