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Mathematics Preprint PDF DOI

Statistical Limit Theorems for Axiom A Diffeomorphisms: Exponential Mixing, Central Limit Theorem, and Large Deviations

Abdoulaye Thiam ยท 2026

We establish statistical limit theorems for equilibrium states of Axiom A diffeomorphisms, derived from the spectral gap of the Ruelle transfer operator established in Part I (Thiam2026a) and transferโ€ฆ

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Mathematics Preprint PDF DOI

Letters of a given type in Catalan words: A continued fraction approach

Helmut Prodinger ยท 2026

Generating functions related to Catalan words and frequencies of digits are obtained using continued fractions. This is fast, elegant, and flexible. It follows the philosophy of Philippe Flajolet fromโ€ฆ

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Computer Science Preprint PDF DOI

AI in Work-Based Learning: Understanding the Purposes and Effects of Intelligent Tools Among Student Interns

John Paul P. Miranda, Rhiziel P. Manalese, Sheila M. Geronimo, Vernon Grace M. Maniago, Charlie K. Padilla, Aileen P. De Leon, Santa L. Merle, Mark Anthony A. Castro ยท 2026

This study examined how student interns in Philippine higher education use intelligent tools during their OJT. Data were collected from 384 respondents using a structured questionnaire that asked abouโ€ฆ

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Computer Science Preprint PDF DOI

Galaw at Gunita: Extended Reality Murals for Experiencing Filipino Art

Jomar Delos Reyes, Sealtiel Dy, Rica Mae Sales. Orrin Landon Uy, Toni-Jan Keith Monserrat, Ryan Austin Fernandez, Jordan Aiko Deja ยท 2026

Digital and interactive spaces are becoming increasingly prevalent as platforms for cultural engagement, offering new ways to make art more accessible, engaging, and inclusive. In the Philippine conteโ€ฆ

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Mathematics Preprint PDF DOI

Heights on toric varieties for singular metrics: Global theory

Gari Y. Peralta Alvarez ยท 2026

In this paper, we develop a toric analog of the theory of adelic divisors on quasi-projective arithmetic varieties introduced by Yuan and Zhang, and extend the convex-analytic descriptions of the Arakโ€ฆ

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Mathematics Preprint PDF DOI

Uniform sum-product phenomenon for algebraic groups and Bremner's conjecture

Joseph Harrison, Akshat Mudgal, Harry Schmidt ยท 2026

In this paper we combine methods from additive combinatorics and Diophantine geometry to study the generalised sum-product phenomenon in algebraic groups. As an application of this circle of ideas, weโ€ฆ

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Engineering Preprint PDF DOI

HierKick: Hierarchical Reinforcement Learning for Vision-Guided Soccer Robot Control

Yizhi Chen, Zheng Zhang, Zhanxiang Cao, Yihe Chen, Shengcheng Fu, Liyun Yan, Yang Zhang, Jiali Liu, Haoyang Li, Yue Gao ยท 2026

Controlling soccer robots involves multi-time-scale decision-making, which requires balancing long-term tactical planning and short-term motion execution. Traditional end-to-end reinforcement learningโ€ฆ

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AI & Data Science Preprint PDF DOI

Student Flow Modeling for School Decongestion via Stochastic Gravity Estimation and Constrained Spatial Allocation

Sebastian Felipe R. Bundoc, Paula Joy B. Martinez, Sebastian C. Ibanez, Erika Fille T. Legara ยท 2026

School congestion, where student enrollment exceeds school capacity, is a major challenge in low- and middle-income countries. It highly impacts learning outcomes and deepens inequities in education. โ€ฆ

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AI & Data Science Preprint PDF DOI

Robust Bias Evaluation with FilBBQ: A Filipino Bias Benchmark for Question-Answering Language Models

Lance Calvin Lim Gamboa, Yue Feng, Mark Lee ยท 2026

With natural language generation becoming a popular use case for language models, the Bias Benchmark for Question-Answering (BBQ) has grown to be an important benchmark format for evaluating stereotypโ€ฆ

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AI & Data Science Preprint PDF DOI

Deep Learning-Based Fixation Type Prediction for Quality Assurance in Digital Pathology

Oskar Thaeter, Tanja Niedermair, Jan E.G. Albin, Johannes Raffler, Ralf Huss, Peter J. Schuffler ยท 2026

Accurate annotation of fixation type is a critical step in slide preparation for pathology laboratories. However, this manual process is prone to errors, impacting downstream analyses and diagnosticโ€ฆ

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AI & Data Science Preprint PDF DOI

Evaluating Deep Learning-Based Nerve Segmentation in Brachial Plexus Ultrasound Under Realistic Data Constraints

Dylan Yves, Khush Agarwal, Jonathan Hoyin Chan, Patcharapit Promoppatum, Aroonkamon Pattanasiricharoen ยท 2026

Accurate nerve localization is critical for the success of ultrasound-guided regional anesthesia, yet manual identification remains challenging due to low image contrast, speckle noise, and inter-patiโ€ฆ

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AI & Data Science Preprint PDF DOI

Empowering Medical Equipment Sustainability in Low-Resource Settings: An AI-Powered Diagnostic and Support Platform for Biomedical Technicians

Bernes Lorier Atabonfack, Ahmed Tahiru Issah, Mohammed Hardi Abdul Baaki, Clemence Ingabire, Tolulope Olusuyi, Maruf Adewole, Udunna C. Anazodo, Timothy X Brown ยท 2026

In low- and middle-income countries (LMICs), a significant proportion of medical diagnostic equipment remains underutilized or non-functional due to a lack of timely maintenance, limited access to tecโ€ฆ

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Mathematics Preprint PDF DOI

Heights on toric varieties for singular metrics: Local theory

Gari Y. Peralta Alvarez ยท 2026

We show that the (toric) local height of a toric variety with respect to a semipositive torus-invariant singular metric is given by the integral of a concave function over a compact convex set. This gโ€ฆ

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Mathematics Preprint PDF DOI

Limit Theorems for $\theta$-expansions and the Failure of the Strong Law

Andreas Rusu, Gabriela Ileana Sebe, Dan Lascu ยท 2026

The paper presents fundamental metrical theorems for a class of continued fraction-like expansions known as $\theta$-expansions. We first prove Khinchine's Weak Law of Large Numbers for the sum of digโ€ฆ

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Mathematics Preprint PDF DOI

Balancing Economic Cost and Disease Impact: Optimization Models for Wolbachia-Based Dengue Control

Kyrho Corum, Renier Mendoza, Victoria May P. Mendoza, Arrianne Crystal Velasco ยท 2026

Dengue, which affects millions of people each year, is one of the most common diseases transmitted by infected \textit{Aedes aegypti} mosquitoes. In the Philippines, the annual economic cost of dengueโ€ฆ

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Physics Preprint PDF DOI

A short technical comment on Bub's There is No Quantum World (arXiv:2512.18400v2) and a brief remark on related Grangier's reply (arXiv:2512.22965v1)

Krzysztof Sienicki ยท 2025

This note is a friendly technical check of Jeffrey Bub's There is No Quantum World (arXiv:2512.18400v2). I flag one unambiguous mathematical slip (a cardinality identity that implicitly assumes the Coโ€ฆ

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Computer Science Preprint PDF DOI

Making AI Philosophical Again: On Philip E. Agre's Legacy

Jethro Masis ยท 2025

This paper examines the intellectual legacy of Philip E. Agre by situating his work at the intersection of artificial intelligence, philosophy, and critical theory. It reconstructs Agre's proposal of โ€ฆ

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Computer Science Preprint PDF DOI

Cybersecurity skills in new graduates: a Philippine perspective

John Paul P. Miranda, Marlon I. Tayag, Joel D. Canlas ยท 2025

This study investigates the key skills and competencies needed by new cybersecurity graduates in the Philippines for entry-level positions. Using a descriptive cross-sectional research design, it combโ€ฆ

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Earth & Environmental Sciences Preprint PDF DOI

The Complete Anatomy of the Madden-Julian Oscillation Revealed by Artificial Intelligence

Xiao Zhou, Yuze Sun, Jie Wu, Xiaomeng Huang ยท 2025

Accurately defining the life cycle of the Madden-Julian Oscillation (MJO), the dominant mode of intraseasonal climate variability, remains a foundational challenge due to its propagating nature. The eโ€ฆ

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Mathematics Preprint PDF DOI

Overdetermined Steklov eigenvalue problems on compact surfaces

Hang Chen, Bohan Wu ยท 2025

We investigate the overdetermined problem given by \begin{equation*} \Delta u=0 \text{ in } \Omega,\quad \frac{\partial u}{\partial\nu} =\sigma_1 u \text{ on } \partial \Omega, \quad |\nabla u|=\tโ€ฆ

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