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Computer Science Preprint PDF DOI

Taking a Bite Out of the Forbidden Fruit: Characterizing Third-Party Iranian iOS App Stores

Amirhossein Khanlari, Amir Rahmati ยท 2026

Due to U.S. sanctions and strict internet censorship, Iranian iOS users are barred from accessing the Apple App Store and developer services. In response, despite violating Apple's developer terms, a โ€ฆ

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Mathematics Preprint PDF DOI

A note on the Erd\"os minimal area problem

Subhajit Ghosh, Koushik Ramachandran ยท 2026

We answer a question of Erd\"os, Herzog, and Piranian on the minimal area of polynomial lemniscates when all the zeros of the polynomial are constrained to lie on a compact set K whose logarithmic capโ€ฆ

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Mathematics Preprint PDF DOI

Approximation by mixtures of multivariate Erlang distributions

Hien Duy Nguyen ยท 2026

We prove that finite multivariate Erlang mixture densities with a common rate parameter are dense in the class of probability densities on $\mathbb{R}_{+}^{d}$ that belong to $L^{p}$, for every dimensโ€ฆ

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Mathematics Preprint PDF DOI

On the maximum product of distances of diameter $2$ point sets

Stijn Cambie, Arne Decadt, Yanni Dong, Tao Hu, Quanyu Tang ยท 2026

We consider a problem posed by Erd\H{o}s, Herzog and Piranian on the maximum product of distances of a point set of order $n$ with a given diameter. We prove that it is sufficient to consider convex pโ€ฆ

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AI & Data Science Preprint PDF DOI

Aspect-Based Sentiment Analysis for Future Tourism Experiences: A BERT-MoE Framework for Persian User Reviews

Hamidreza Kazemi Taskooh, Taha Zare Harofte ยท 2026

This study advances aspect-based sentiment analysis (ABSA) for Persian-language user reviews in the tourism domain, addressing challenges of low-resource languages. We propose a hybrid BERT-based modeโ€ฆ

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AI & Data Science Preprint PDF DOI

GhazalBench: Usage-Grounded Evaluation of LLMs on Persian Ghazals

Ghazal Kalhor, Yadollah Yaghoobzadeh ยท 2026

Persian poetry plays an active role in Iranian cultural practice, where verses by canonical poets such as Hafez are frequently quoted, paraphrased, or completed from partial cues. Supporting such inteโ€ฆ

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History & Literature Preprint PDF DOI

Determination of the longitude difference between Baghdad and Khwarezm using a lunar eclipse (the method of Abu Rayhan al-Biruni and Abu al-Wafa al-Buzjani)

Rizoi Bakhromzod ยท 2026

This paper examines how, in the tenth century, medieval Iranian scholars Abu Rayhan al-Biruni and Abu al-Wafa al-Buzjani determined the difference in geographical longitude between the cities of Baghdโ€ฆ

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Mathematics Preprint PDF DOI

The Addition Theorem for the Algebraic Entropy of Torsion Nilpotent Groups

Menachem Shlossberg ยท 2026

The Addition Theorem for the algebraic entropy of group endomorphisms of torsion abelian groups was proved by Dikranjan, Goldsmith, Salce and Zanardo. It was later extended by Shlossberg to torsioโ€ฆ

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Computer Science Preprint PDF DOI

Spectral Clustering in Birthday Paradox Time

Michael Kapralov, Ekaterina Kochetkova, Weronika Wrzos-Kaminska ยท 2026

Given a vertex in a $(k, \varphi, \epsilon)$-clusterable graph, i.e. a graph whose vertex set can be partitioned into a disjoint union of $\varphi$-expanders of size $\approx n/k$ with outer conductanโ€ฆ

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AI & Data Science Preprint PDF DOI

From Clay to Code: Typological and Material Reasoning in AI Interpretations of Iranian Pigeon Towers

Abolhassan Pishahang, Maryam Badiei ยท 2025

This study investigates how generative AI systems interpret the architectural intelligence embedded in vernacular form. Using the Iranian pigeon tower as a case study, the research tests three diffusiโ€ฆ

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Mathematics Preprint PDF DOI

An improved lower bound to Erdos' problem concerning products of distances for fixed diameter

Nat Sothanaphan ยท 2025

Erdos, Herzog and Piranian asked whether, for $n$ points in the plane with fixed diameter (maximum distance between points), an arrangement of a regular $n$-gon maximizes their product of all pairs ofโ€ฆ

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Mathematics Preprint PDF DOI

The maximal length of the Erd\H{o}s--Herzog--Piranian lemniscate in high degree

Terence Tao ยท 2025

Let $n \geq 1$, and let $p : {\bf C} \to {\bf C}$ be a monic polynomial of degree $n$. It was conjectured by Erd\H{o}s, Herzog, and Piranian that the maximal length of lemniscate $\{z \in {\bf C}: |p(โ€ฆ

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Economics & Finance Preprint PDF DOI

Universal Dynamics of Financial Bubbles in Isolated Markets: Evidence from the Iranian Stock Market

Ali Hosseinzadeh ยท 2025

Speculative bubbles exhibit common statistical signatures across many financial markets, suggesting the presence of universal underlying mechanisms. We test this hypothesis in the Iranian stock marketโ€ฆ

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Mathematics Preprint PDF DOI

Classification of borderenergetic chemical graphs and borderenergetic graphs of order 12

Peter Csikvari, Ivan Damnjanovic, Marko Milosevic, Ivan Stankovic, Dragan Stevanovic ยท 2025

The energy $E(G)$ of a simple graph $G$ is the sum of absolute values of the eigenvalues of its adjacency matrix. A borderenergetic graph of order $n \in \mathbb{N}$ is any noncomplete graph~$G$ such โ€ฆ

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Mathematics Preprint PDF DOI

On Tangential and Projectively Adjacent Approach Regions

Fausto Di Biase, Haguma Gratien, Olof Svensson ยท 2025

In 1906 Fatou proved that bounded holomorphic functions on the unit disc converge a.e. on the boundary along nontangential approach regions. In 1927 Littlewood proved a negative result, i.e., that a.eโ€ฆ

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Computer Science Preprint PDF DOI

Research Output of Webology Journal (2013-2017): A Scientometric Analysis

Muneer Ahmad, M. Sadik Batcha, Basharat Ahmad Wani, Mohammad Idrees Khan, S. Roselin Jahina ยท 2025

Webology is an international peer-reviewed journal in English devoted to the field of the World Wide Web and serves as a forum for discussion and experimentation. It serves as a forum for new researchโ€ฆ

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Mathematics Preprint PDF DOI

Geometric Dynamical Systems

Ghorbanali Haghighatdoost (Azarbaijan Shahid Madani University, Tabriz, Iran) ยท 2025

This article provides a conceptual and historical review of the evolution of integrable Hamiltonian systems from the Moscow School of A. T. Fomenko to the emerging Azarbaijan School of Geometric Dynamโ€ฆ

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Sociology & Anthropology Preprint PDF DOI

The 1979 Iranian Revolution and the Lost Decade of Science: A Counterfactual Scientometric Analysis

Ehsan Roohi ยท 2025

This paper presents a comprehensive scientometric analysis of the long-term impact of the 1979 Iranian Revolution on the nation scientific development. Using Scopus-indexed data from 1960 to 2024, we โ€ฆ

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Economics & Finance Preprint PDF DOI

Measuring Innovation Patterns in Iran and Neighboring Countries: A Time Series Similarity Approach Using STL and Dynamic Time Warping

Mahdi Goldani ยท 2025

Innovation is becoming ever more pivotal to national development strategies but measuring and comparing innovation performance across nations is still a methodological challenges. This research deviseโ€ฆ

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Mathematics Preprint PDF DOI

On Hardy spaces, univalent functions and the second coefficient

Martin Chuaqui, Iason Efraimidis, Rodrigo Hernandez ยท 2025

We consider normalized univalent functions with prescribed second Taylor coefficient $a_2$. For convex functions $f$ we study the Hardy spaces to which $f$ and $f'$ belong, refining in particular on aโ€ฆ

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