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AI & Data Science Preprint PDF DOI

AnimateAnyMesh++: A Flexible 4D Foundation Model for High-Fidelity Text-Driven Mesh Animation

Zijie Wu, Chaohui Yu, Fan Wang, Xiang Bai · 2026

Recent advances in 4D content generation have attracted increasing attention, yet creating high-quality animated 3D models remains challenging due to the complexity of modeling spatio-temporal distrib…

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Engineering Preprint PDF DOI

CONCERTO : Optimization of readout electronics

Mounir Abdkrimi (NEEL - MagSup), Olivier Rossetto (LPSC), Olivier Bourrion (LPSC), Christophe Hoarau (LPSC), Christophe Vescovi (LPSC) · 2026

The CONCERTO millimeter-wave spectral-imaging instrument was deployed on the Atacama Pathfinder EXperiment (APEX), where it acquired science data between April 2021 and May 2023. The instrument featur…

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Mathematics Preprint PDF DOI

Balanced and pluriclosed metrics on real semisimple Lie groups

Joseph Kwong · 2026

We characterise the existence of balanced and pluriclosed metrics on compact quotients of real semisimple Lie groups equipped with regular complex structures, in terms of Vogan diagrams. Consequently,…

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Computer Science Preprint PDF DOI

Poisoning Learned Index Structures: Static and Dynamic Adversarial Attacks on ALEX

Allen Jue · 2026

Learned index structures achieve high performance by modeling the cumulative distribution function (CDF) of keys, but this reliance on data distributions introduces potential vulnerability to adversar…

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Mathematics Preprint PDF DOI

Colored Stallings graphs and Counterexamples to Stallings equalizer conjecture

Jialin Lei, Teng Zhang · 2026

The famous Stallings equalizer conjecture has remained open for more than 40 years, which states that, for any free group \(F_n\) of rank \(n\ge 2\), any free group \(F\), and any two monomorphisms $g…

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Engineering Preprint PDF DOI

CONCERTO: Characterization of analog readout electronics

Mounir Abdkrimi (NEEL - MagSup), Olivier Rossetto (LPSC), O. Bourrion (LPSC), Christophe Vescovi (LPSC), C. Hoarau (LPSC) · 2026

CONCERTO is a millimeter-wave imaging instrument that operated on the Atacama Pathfinder Experiment (APEX) telescope from April 2021 to May 2023. Its primary scientific objectives include the study of…

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Physics Preprint PDF DOI

Numerical Investigation of Elastically-Mounted tandem Cylinders using an ALE Runge-Kutta Discontinuous Galerkin method

Alexios Papadimitriou, Spyridon Zafeiris, George Papadakis · 2026

This work presents a high-order Arbitrary-Lagrangian-Eulerian (ALE) Discontinuous Galerkin framework for simulating multi-body Vortex-Induced Vibrations. The ALE formulation extends a Runge-Kutta Inte…

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Mathematics Preprint PDF DOI

The Number of Isomorphism Classes of Beauville Surfaces with Beauville $p$-Group

Sukran Gul · 2026

A Beauville surface is a rigid complex surface of general type, isogenous to a higher product by the free action of a finite group $G$, called a Beauville group. In \cite{GT}, Gonz\'alez-Diez and Torr…

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Computer Science Preprint PDF DOI

From Rights to Rites: Expectations Management in Smart-Home AI

Varad Vishwarupe, Ivan Flechais, Marina Jirotka, Nigel Shadbolt · 2026

Domestic voice assistants and smart-home devices are increasingly embedded in everyday routines, yet their ethics are often treated as an afterthought or delegated to compliance teams. To explore how …

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AI & Data Science Preprint PDF DOI

CHRep: Cross-modal Histology Representation and Post-hoc Calibration for Spatial Gene Expression Prediction

Changfan Wang, Xinran Wang, Donghai Liu, Fei Su, Lulu Sun, Zhicheng Zhao, Zhu Meng · 2026

Spatial transcriptomics (ST) enables spatially resolved gene profiling but remains expensive and low-throughput, limiting large-cohort studies and routine clinical use. Predicting spatial gene express…

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Physics Preprint PDF DOI

Navigating Order-(Dis)Order Family Trees via Group-Subgroup Transitions

Shuya Yamazaki, Yuyao Huang, Martin Hoffmann Petersen, Wei Nong, Kedar Hippalgaonkar · 2026

As closed-loop materials discovery systems scale to produce millions of candidate compounds, the credibility of the novelty they reward becomes a critical concern. Novelty is commonly assessed against…

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Mathematics Preprint PDF DOI

Computing the Cousin-Zuckerman Resolution and the Lusztig-Vogan Bijection

Jack A. Cook · 2026

The goal of this article is to give a proof of a result seemingly absent from the literature characterizing global sections of standard $\mathcal{D}$-modules on the flag variety. This characterization…

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Economics & Finance Preprint PDF DOI

Self-referentiality and asymmetric knowledge flows between journals. The case of economics

Alberto Baccini, Carlo Debernardi · 2026

This paper investigates the evolution of self-referentiality and knowledge flows in economics journals before and after the 2008 financial crisis. Using a multi-level approach, we analyze patterns at …

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AI & Data Science Preprint PDF DOI

From Adaptation to Generalization: Adaptive Visual Prompting for Medical Image Segmentation

Evren Cetinkaya, Sangmin Lee, Jung Uk Kim, Hong Joo Lee, Nassir Navab · 2026

Visual prompting has emerged as a powerful method for adapting pre-trained models to new domains without updating model parameters. However, existing prompting methods typically optimize a single prom…

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Physics Preprint PDF DOI

Signatures of Massive Neutrinos in the Cosmic Web via Persistent Homology

Hogyun Yu, Michael Michaux, Donghyun Kim, Changhee Song, Ingyu Yun, Donghyeon Lee, Yoonyoung Lee, Graziano Rossi · 2026

We present the second paper in our program characterizing the impact of massive neutrinos on the multiscale cosmic web using global topology and persistent homology. Building on the methodology establ…

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Physics Preprint PDF DOI

Tracing evolutionary pathways of bar-driven quenching in local Universe disc galaxies

D Renu, Smitha Subramanian, Koshy George · 2026

Bars play an integral role in regulating star formation (SF) in spiral galaxies, from triggering central starbursts to driving quenching. The diverse SF morphologies observed in local barred galaxies …

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Mathematics Preprint PDF DOI

On the existence of toric ALE and ALF gravitational instantons

Hari K. Kunduri, James Lucietti · 2026

We establish existence and uniqueness results for asymptotically locally Euclidean (ALE) and asymptotically locally flat (ALF) gravitational instantons. In particular, we prove the existence of a uniq…

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Physics Preprint PDF DOI

Deformation and instability of sessile soap bubbles in an electric field

Hongsik Kim, Sunghwan Jung · 2026

Interfacial deformation under electric fields is a common phenomenon in many industrial processes. Particularly, we are interested in the dynamics of sessile soap bubbles in a parallel-plate electric …

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AI & Data Science Preprint PDF DOI

APEX-MEM: Agentic Semi-Structured Memory with Temporal Reasoning for Long-Term Conversational AI

Pratyay Banerjee, Masud Moshtaghi, Shivashankar Subramanian, Amita Misra, Ankit Chadha · 2026

Large language models still struggle with reliable long-term conversational memory: simply enlarging context windows or applying naive retrieval often introduces noise and destabilizes responses. We p…

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Physics Preprint PDF DOI

Shock properties for solar energetic particle events with signatures of inverse velocity arrival

A. Kouloumvakos, D. Lario, G. M. Mason, A. Vourlidas, R. C. Allen, N. Wijsen, X. Chen, Z. Ding, I. C. Jebaraj, P. Riley, D. J. McComas, C. M. S. Cohen, E. Paouris, S. Raptis, L. Rodriguez-Garcia, Z. G. Xu, G. D. Berland, G. C. Ho, D. G. Mitchell, E. C. Roelof, J. Rodriguez-Pacheco, M. E. Hill, R. F. Wimmer-Schweingruber · 2026

We present a detailed investigation of the shock properties associated with solar energetic particle (SEP) events that exhibit a concave (``nose-like'') shape in their energy spectrogram, characterize…

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