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Computer Science Preprint PDF DOI

Optimal Transmitter Placement in Realistic Urban Environments

Lukas Taus, Richard Tsai, Jeffrey G. Andrews ยท 2026

In a wireless network, the spatial location of the transmitters has a large impact on the achievable rate at each user location. The optimal placement of -- for example -- cellular base stations is a โ€ฆ

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Mathematics Preprint PDF DOI

Calculating the second rational cohomology group of the Torelli group

Andrew Putman ยท 2026

Minahan and the author recently proved results that allow the calculation of the second rational cohomology group of the Torelli group. This builds on two key ingredients: Hain's calculation of the imโ€ฆ

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AI & Data Science Preprint PDF DOI

DDF2Pol: A Dual-Domain Feature Fusion Network for PolSAR Image Classification

Mohammed Q. Alkhatib ยท 2026

This paper presents DDF2Pol, a lightweight dual-domain convolutional neural network for PolSAR image classification. The proposed architecture integrates two parallel feature extraction streams, one rโ€ฆ

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Mathematics Preprint PDF DOI

Boundary Dehn twists are often commutators

Ayodeji Lindblad ยท 2026

For $X$ any complete intersection of even complex dimension or any connected sum thereof (or, more generally, any space among certain broad classes of smooth manifolds), we concretely construct orientโ€ฆ

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Mathematics Preprint PDF DOI

Supersingular elliptic surfaces and Infinitesimal Torelli

Remke Kloosterman ยท 2026

In 1981 Katsura presented a classification of non-rational Jacobian elliptic surfaces which admit a base change which is rational. In 2004 we presented a classification of Jacobian regular elliptic suโ€ฆ

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Mathematics Preprint PDF DOI

Categorical Torelli theorems for higher Picard rank Fano double covers

Augustinas Jacovskis, Reinder Meinsma ยท 2026

We prove categorical Torelli theorems for three families of Fano threefolds with Picard rank $\rho >1$. Members of these families manifest as double covers branched in anticanonical K3 surfaces. Our pโ€ฆ

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Engineering Preprint PDF DOI

Scalable Optimization for Mobility-Aware Coordinated Electric Vehicle Charging in Distribution Power Networks

Yi Ju, Lunlong Li, Jingchun Wang, Scott Moura ยท 2026

Rapid growth in electric-vehicle (EV) charging demand is placing increasing stress on distribution power networks (DPNs), whose hosting capacity is often limited and spatially uneven. Beyond demonstraโ€ฆ

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Engineering Preprint PDF DOI

Distributive Perimetral Queue Balancing Mechanisms: Towards Equitable Urban Traffic Gating and Fair Perimeter Control

Kevin Riehl, Lea Kunstler, Ying-Chuan Ni, Anastasia Psarou, Shaimaa K. El-Baklish, Anastasios Kouvelas, Michail A. Makridis ยท 2026

Perimeter control is an effective urban traffic management strategy that regulates inflow to congested urban regions using aggregate network dynamics. While existing approaches primarily optimize systโ€ฆ

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Mathematics Preprint PDF DOI

A symplectic fourfold

Maria Donten-Bury, Grzegorz Kapustka, Benedetta Piroddi, Tomasz Wawak ยท 2026

We present a method to construct irreducible symplectic varieties by studying terminalisations of quotient of hyper-K\"ahler manifolds by non-natural group actions. In particular, we construct irreducโ€ฆ

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Mathematics Preprint PDF DOI

Domino Tilings of Cruciform Regions

Tri Lai, Anh Thi Nguyen ยท 2026

P. Di Francesco first introduced the "Aztec triangle" in his study of the relationship between the twenty-vertex model and domino tilings. He conjectured an exact formula for the number of tilings of โ€ฆ

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Earth & Environmental Sciences Preprint PDF DOI

Exceedance Probabilities for Large Earthquakes From DIY Local Earthquake Ensemble Nowcasting and Forecasting

John B Rundle, Ian Baughman, Andrea Donnellan, Lisa Grant Ludwig, Geoffrey Fox, Kazuyoshi Nanjo ยท 2026

This paper focuses on the problem of anticipating the local occurrence of future large earthquakes. "Local" is defined as the probability of a large earthquake occurring with a defined circle of arbitโ€ฆ

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Mathematics Preprint PDF DOI

Rigidity of the Borell-Brascamp-Lieb Inequality on Weighted Riemannian Manifolds

Rongkai Zhang ยท 2026

In this paper we discuss some results regarding the rigidity of the Borell-Brascamp-Lieb inequality and the Brunn-Minkowski inequality. We show a theorem of rigidity on curvature and measure of the Boโ€ฆ

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Engineering Preprint PDF DOI

Agentic AI and Occupational Displacement: A Multi-Regional Task Exposure Analysis of Emerging Labor Market Disruption

Ravish Gupta, Saket Kumar ยท 2026

This paper extends the Acemoglu-Restrepo task exposure framework to address the labor market effects of agentic artificial intelligence systems: autonomous AI agents capable of completing entire occupโ€ฆ

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Mathematics Preprint PDF DOI

Heisenberg vertex algebras and abelian varieties

Nicola Tarasca ยท 2026

Here we construct spaces of coinvariants for Heisenberg vertex algebras on abelian varieties and show that these globalize to twisted $\mathscr{D}$-modules on the moduli space of abelian varieties. Reโ€ฆ

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Mathematics Preprint PDF DOI

A categorical Torelli theorem for quartic del Pezzo surfaces

Alexey Elagin ยท 2026

We solve categorical Torelli problem for quartic del Pezzo surfaces. That is, we prove that a del Pezzo surface of degree $4$ can be canonically reconstructed from its Kuznetsov component, which is thโ€ฆ

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Economics & Finance Preprint PDF DOI

Two Approaches to Direct Estimation of Riesz Representers

David Bruns-Smith ยท 2026

The Riesz representer is a central object in semiparametric statistics and debiased/doubly-robust estimation. Two literatures in econometrics have highlighted the role for directly estimating Riesz reโ€ฆ

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AI & Data Science Preprint PDF DOI

DeepCORO-CLIP: A Multi-View Foundation Model for Comprehensive Coronary Angiography Video-Text Analysis and External Validation

Sarra Harrabi, Yichen Wu, Geoffrey H. Tison, Minhaj Ansari, Milos Vukadinovic, David Ouyang, Joshua P. Barrios, Jacques Delfrate, Robert Avram ยท 2026

Coronary angiography is the reference standard for evaluating coronary artery disease, yet visual interpretation remains variable between readers. Existing artificial intelligence methods typically anโ€ฆ

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AI & Data Science Preprint PDF DOI

Large-Scale 3D Ground-Motion Synthesis with Physics-Inspired Latent Operator Flow Matching

Yaozhong Shi, Grigorios Lavrentiadis, Konstantinos Tsalouchidis, Zachary E. Ross, David McCallen, Caifeng Zou, Kamyar Azizzadenesheli, Domniki Asimaki ยท 2026

Earthquake hazard analysis and design of spatially distributed infrastructure, such as power grids and energy pipeline networks, require scenario-specific ground-motion time histories with realistic fโ€ฆ

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Mathematics Preprint PDF DOI

$I$-Maximal Variation of Hodge Structure and Jacobian Rings

Mounir Nisse ยท 2026

We investigate higher--order variation of Hodge structure for families of smooth hypersurfaces and complete intersections through the notion of $I$--maximal variation. Using Griffiths' description of โ€ฆ

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Mathematics Preprint PDF DOI

ALG gravitational instantons and Hitchin moduli spaces, I: Torelli parameters

Laura Fredrickson, Rafe Mazzeo, Jan Swoboda, Hartmut Weiss ยท 2026

This is the first of two papers which together prove that the $12$-parameter family of parabolic $SU(2)$-Hitchin moduli spaces on the four-punctured sphere are all ALG gravitational instantons of typeโ€ฆ

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