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AI & Data Science Preprint PDF DOI

BareBones: Benchmarking Zero-Shot Geometric Comprehension in VLMs

Aaditya Baranwal, Vishal Yadav, Abhishek Rajora ยท 2026

While Vision-Language Models (VLMs) demonstrate remarkable zero-shot recognition capabilities across a diverse spectrum of multimodal tasks, it yet remains an open question whether these architecturesโ€ฆ

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AI & Data Science Preprint PDF DOI

Dynamic Adaptive Attention and Supervised Contrastive Learning: A Novel Hybrid Framework for Text Sentiment Classification

Qingyang Li ยท 2026

The exponential growth of user-generated movie reviews on digital platforms has made accurate text sentiment classification a cornerstone task in natural language processing. Traditional models, incluโ€ฆ

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Mathematics Preprint PDF DOI

The automorphism group of countable recursively saturated models of Peano arithmetic and strong cuts

Saeideh Bahrami ยท 2026

In this paper, we extend the concept of a Lascar generic automorphism in the setting of models of Peano arithmetic ($\mathrm{PA}$) to the subgroup of the automorphism group of a countable recursively โ€ฆ

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History & Literature Preprint PDF DOI

Amerigo Vespucci and the discovery of the Southern Sky

Davide Neri ยท 2026

During the voyages that led him to discover the new continent bearing his name, Amerigo Vespucci made interesting astronomical observations of the southern sky. In the past, his data have been interprโ€ฆ

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AI & Data Science Preprint PDF DOI

Learning from Emptiness: De-biasing Listwise Rerankers with Content-Agnostic Probability Calibration

Hang Lv, Hongchao Gu, Ruiqing Yang, Liangyue Li, Zulong Chen, Defu Lian, Hao Wang, Enhong Chen ยท 2026

Generative listwise reranking leverages global context for superior retrieval but is plagued by intrinsic position bias, where models exhibit structural sensitivity to input order independent of relevโ€ฆ

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Physics Preprint PDF DOI

Strictly correlated electrons in a quantum ring: from Kohn-Sham to Kantorovich potentials

Thiago Carvalho Corso ยท 2026

Our goal in this paper is twofold. First, we characterize the class of pairwise interactions for which the Seidl conjecture on the structure of optimal plans for the symmetric multimarginal optimal trโ€ฆ

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Engineering Preprint PDF DOI

On Feedback Speed Control for a Planar Tracking

Xincheng Li, Tengyue Liu, Udit Halder ยท 2026

This paper investigates a planar tracking problem between a leader and follower agent. We propose a novel feedback speed control law, paired with a constant bearing steering strategy, to maintain an aโ€ฆ

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AI & Data Science Preprint PDF DOI

Do We Really Need to Approach the Entire Pareto Front in Many-Objective Bayesian Optimisation?

Chao Jiang, Jingyu Huang, Miqing Li ยท 2026

Many-objective optimisation, a subset of multi-objective optimisation, involves optimisation problems with more than three objectives. As the number of objectives increases, the number of solutions neโ€ฆ

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Computer Science Preprint PDF DOI

BadSkill: Backdoor Attacks on Agent Skills via Model-in-Skill Poisoning

Guiyao Tie, Jiawen Shi, Pan Zhou, Lichao Sun ยท 2026

Agent ecosystems increasingly rely on installable skills to extend functionality, and some skills bundle learned model artifacts as part of their execution logic. This creates a supply-chain risk thatโ€ฆ

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Earth & Environmental Sciences Preprint PDF DOI

Detecting nitrogen-carriers in the inner regions of protoplanetary disks

Marissa Vlasblom, Aditya M. Arabhavi, Niels de Klerk, Inga Kamp, Benoit Tabone, Ewine F. van Dishoeck ยท 2026

Nitrogen is a key element for building habitable worlds, yet only a small fraction of the available N-budget of planet-forming disks has been detected. In particular, the lack of any IR NH$_3$ detectiโ€ฆ

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Computer Science Preprint PDF DOI

Regime-Conditional Retrieval: Theory and a Transferable Router for Two-Hop QA

Andre Bacellar ยท 2026

Two-hop QA retrieval splits queries into two regimes determined by whether the hop-2 entity is explicitly named in the question (Q-dominant) or only in the bridge passage (B-dominant). We formalize thโ€ฆ

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Engineering Preprint PDF DOI

Spectral Kernel Dynamics via Maximum Caliber: Fixed Points, Geodesics, and Phase Transitions

Jnaneshwar Das ยท 2026

We derive a closed-form geometric functional for kernel dynamics on finite graphs by applying the Maximum Caliber (MaxCal) variational principle to the spectral transfer function h(lambda) of the grapโ€ฆ

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AI & Data Science Preprint PDF DOI

Multi-Dimensional Composite Endpoint Analysis via the Choquet Integral: Block Recurrent Encoding and Comparative Advantage Mapping

Ibrahim Halil Tanboga ยท 2026

Background: Composite endpoints in cardiovascular trials combine heterogeneous outcomes-mortality, nonfatal events, hospitalizations, and biomarkers-yet conventional analytical methods sacrifice inforโ€ฆ

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Physics Preprint PDF DOI

Tuning Cross-stream Lift in Viscoelastic Shear: Distinct Hydrodynamic Signatures of Force-bearing and Force-free Mechanisms

Soumyodeep Chowdhury, Kushagra Tiwari, Jitendra Dhakar, Akash Choudhary ยท 2026

We investigate the lift and drag corrections acting on a particle suspended in a planar viscoelastic shear flow when the particle is tuned to translate relative to the flow by an external mechanism. Aโ€ฆ

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Mathematics Preprint PDF DOI

Bertrand Legendre curves in the unit tangent bundle over Euclidean plane

Nozomi Nakatsuyama, Masatomo Takahashi ยท 2026

We investigate not only the associated curves of regular plane curves, but also those of Legendre curves. As associated curves, we consider Bertrand regular plane curves and Bertrand Legendre curves. โ€ฆ

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Computer Science Preprint PDF DOI

Token-Sensitive Enclosure Semantics for Measurement-Bearing Expressions

David B. Hulak, Arthur F. Ramos, Ruy J. G. B. de Queiroz ยท 2026

Token identity is semantic information for measurement-bearing expressions. Intervals, dimension tags, and token-erased syntax can say what values a measured leaf may take, but they cannot say whetherโ€ฆ

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AI & Data Science Preprint PDF DOI

LaScA: Language-Conditioned Scalable Modelling of Affective Dynamics

Kosmas Pinitas, Ilias Maglogiannis ยท 2026

Predicting affect in unconstrained environments remains a fundamental challenge in human-centered AI. While deep neural embeddings dominate contemporary approaches, they often lack interpretability anโ€ฆ

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AI & Data Science Preprint PDF DOI

Variational Feature Compression for Model-Specific Representations

Zinan Guo, Zihan Wang, Chuan Yan, Liuhuo Wan, Ethan Ma, Guangdong Bai ยท 2026

As deep learning inference is increasingly deployed in shared and cloud-based settings, a growing concern is input repurposing, in which data submitted for one task is reused by unauthorized models foโ€ฆ

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Physics Preprint PDF DOI

Dimensional crossover in surface growth on rectangular substrates

Ismael S. S. Carrasco, Tiago J. Oliveira ยท 2026

In a recent work [Phys. Rev. E 109, L042102 (2024)], interesting dimensional crossovers [from two- to one-dimensional (2D to 1D) scaling] were found in the growth of Kardar-Parisi-Zhang (KPZ) interfacโ€ฆ

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Computer Science Preprint PDF DOI

Intimacy as Service, Harm as Externality: Critical Perspectives on AI Companion Platform Accountability

Dayeon Eom, Julianne Renner, Sedona Chinn ยท 2026

This paper examines artificial intelligence (AI) companionship as a site where intimate relations are simultaneously produced, extracted from, and governed through datafied systems. Drawing on criticaโ€ฆ

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