Exact and Earth Sciences

• Grokking and Phase Transitions: A Pedagogical Approach to the Statistical Physics of Machine Learning

  João Pedro Sansão

  Submitted 06/16/2026 - Posted 09/09/2026

  • Grokking
  • Statistical Physics
  • Neural Networks
  • Phase Transition
  • Deep Learning
  • Machine Learning

  • PDF (Portuguese)
• Higher-Order Interactions in Financial Networks: An Ablation Study with Simplicial Complexes

  João Cláudio Nunes Carvalho, Daniel Alencar Barros Tavares

  Submitted 08/18/2026 - Posted 09/03/2026

  • simplicial complexes
  • higher-order networks
  • graph mining
  • topological machine learning
  • relational learning
  • ablation study

  • PDF
• A ground-truthed national atlas of mangroves in Mauritius: spatial baselines, blue carbon significance, and implications for climate resilience in Small Island Developing States

  Soonil Dutt Dharam Vir Rughooputh, Mahalaksmi Devi Dasi Doodee, Shobha Jawaheer

  Submitted 08/19/2026 - Posted 08/19/2026

  • Mangroves
  • Blue Carbon
  • Coastal resilience
  • Small Island Developing States
  • Ground-truthing

  • PDF
• Environmental Drivers of Skipjack tuna (Katsuwonus pelamis) Abundance in the Indian Ocean: Insights from Satellite Remote Sensing and Catch Data

  Teshan Ishara, Kasun Anuruddha Bandara, Sandamali Sakunthala Herath

  Submitted 08/06/2026 - Posted 08/12/2026

  • Monsoonal cycle
  • abundance
  • remote sensing
  • oceanographic factors

  • PDF
• Community Notes in Brazil: Consensus, Polarization, and Algorithmic Acceptability

  Davi Machado da Rocha

  Submitted 04/29/2026 - Posted 08/11/2026

  • Community Notes
  • Birdwatch
  • X
  • Twitter
  • Brazil
  • misinformation
  • collaborative fact-checking
  • content moderation
  • bridging-based ranking
  • natural language processing
  • NLP
  • topic modeling
  • BERTopic
  • named entity recognition
  • SHAP

  • PDF (Portuguese)
• Advanced Architectures for AI Self-Training:State-of-the-Art Methodologies and Performance Simulation

  Dheiver Francisco Santos

  Submitted 08/04/2026 - Posted 08/07/2026

  • Artificial Intelligence,
  • Self-training,
  • RLAIF,
  • Self-Instruct,

  • PDF
• Validation of SWOT significant wave height against in situ and model observations on the northeastern Brazilian continental shelf

  Yuri Onça Prestes, Alex Costa Silva, Ramilla Vieira de Assunção, Gabriel D'annunzio Gomes Junior, Marcus Silva, Aouf Lotfi, Angelo Lemos, Fabrice Hernandez

  Submitted 07/30/2026 - Posted 08/03/2026

  • SWOT
  • Altimetry
  • Significant wave height
  • Remote sensing

  • PDF
• Biophysical variability at the shelf-break/slope transition: Insights from a high-resolution transect experiment in the Southwestern Tropical Atlantic

  Syumara Queiroz, Ramilla Vieira de Assunção, Leandro Nolé Eduardo, Alex Costa da Silva , Moacyr Araujo , Arnaud Bertrand

  Submitted 07/23/2026 - Posted 07/23/2026

  • BIOPHYSICAL INTERACTIONS
  • FLOW-TOPOGRAPHY INTERACTIONS
  • DIEL VERTICAL MIGRATION
  • WESTERN BOUNDARY CURRENT
  • SOUTHWESTERN TROPICAL ATLANTIC

  • PDF
• A Comprehensive Derivation of the Conditions of Conformality, Equivalence, and Equidistance of Normal Cylindrical Projections

  Isaac Ramos, Leonard Silveira, Vinícius Martins, Robert Silva, Andréa Seixas, Sílvio Garnés, Lucas Calado, Paulo Airoldi

  Submitted 07/03/2026 - Posted 07/07/2026

  • Mathematical Cartography
  • Mapping
  • Distortion

  • PDF
• A Deduction of the Conditions of Conformality, Equivalence, and Equidistance of Normal CylindricalProjections

  Isaac Ramos, Leonard Silveira, Vinícius Martins, Andréa Seixas, Sílvio Garnés, Lucas Calado, Paulo Airoldi, Robert Martins da Silva

  Submitted 12/12/2025 - Posted 07/06/2026

  Versions: 2

  • Mathematical Cartography
  • Mapping
  • Distortion

  • PDF (Portuguese)
• LinguagemSimples: Automatic Simplification of Court Decisions with Large Language Models

  João Pedro Sansão, Michel Leles

  Submitted 06/16/2026 - Posted 07/06/2026

  Versions: 2

  • Plain Language
  • Legal NLP
  • Language Models
  • Court Decisions
  • Simplification Evaluation

  • PDF (Portuguese)
• On-Premises vs. Cloud APIs for Large Language Models (LLMs) in Agentic Systems: A Comparative Analysis of Performance, Hardware Requirements,and Economic Viability in 2026

  Joao Pedro Sansao

  Submitted 06/30/2026 - Posted 07/02/2026

  • LLM
  • On-premises
  • Cloud APIs
  • Agentic Systems
  • Total cost of ownership
  • Break-even

  • PDF (Portuguese)
• "Tell me who you hang out with, and I will tell you who you are": A Bayesian approach to inferring leadership profiles in social systems

  Alejandro Buitrago-Ramírez, Alejandro Roldán-Correa

  Submitted 06/15/2026 - Posted 06/16/2026

  • Bayesian inference
  • Latent classes
  • Homophily
  • Doob's theorem

  • PDF (Spanish)
• Linking 3D Perinereis burrows with physicochemical factors on a tidal flat (Pearl River Delta (PRD), China)

  Yuanyuan Wang, Zhen Zhang, Miao Miao, Manzhi Yang, Guocheng Zhang

  Submitted 06/05/2026 - Posted 06/12/2026

  • Deltaic tidal flat
  • Neoichnology
  • Perinereis
  • Physicochemical factors
  • Paleoenvironment

  • PDF
• THE VARIABILITY OF SEA LEVEL AND ITS IMPACT ON COASTAL FLOODING IN BAÍA DE TODOS SANTOS (13oS)

  Guilherme C Lessa, Gabriel L Pugliese, Felipe M Santos, Pablo A dos Santos, Carlos E P Teixeira, Martinho Marta-Almeida

  Submitted 05/27/2026 - Posted 05/27/2026

  • SUB-INERTIAL OSCILLATIONS
  • sea-level rise
  • numerical model
  • monitoring

  • PDF
• Kinematic equations from Taylor series and derivatives beyond acceleration

  Pedro Silva

  Submitted 03/27/2026 - Posted 05/05/2026

  • physics education
  • kinematics
  • Taylor series
  • higher-order derivatives

  • PDF (Portuguese)
• Climatic aspects and territorial implications in the Ribeira Valley (SP): the case of Guapiruvú

  Roberto Greco, Guilherme Almussa Leite Torres, Kevin Hyslop

  Submitted 03/27/2026 - Posted 05/05/2026

  • agroforestry systems
  • climatological statistics
  • RClimDex

  • PDF (Portuguese)
• Climate trends and extremes in the municipality of Nova Odessa-SP from 1990 to 2020

  Guilherme Almussa Leite Torres, Larissa Vieira Zezzo, Priscila Pereira Coltri Pereira Coltri

  Submitted 04/01/2026 - Posted 05/04/2026

  • Climate index
  • Urban climate
  • Climatic extreme

  • PDF (Portuguese)
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