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arXiv preprints from January 1, 2026 through September 11, 2026 — 03:55:32 EST

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Posted in cs.CE · 2026-07-28 · Cristobal Ponce, Hector Ramirez, Yongxin Wu, Ning Liu, Yann Le Gorrec

Strong imposition of Dirichlet boundary velocities in structure-preserving discretizations of elastodynamics

The imposition of boundary velocities in finite element models of port-Hamiltonian elastodynamics typically relies on Lagrange multipliers, yielding Differential-Algebraic Equations (DAEs). Alternatively, weak imposition methods that maintain an Ordinary Differential Equation (ODE) structure often exhibit poor accuracy at Dirichlet...

💬 0 commentsarXiv:2607.26248v1PDF
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Posted in physics.bio-ph · 2026-07-28 · Kevin S. Chen, Matthew P. Leighton, Damon A. Clark, Thierry Emonet

A behavior-environment information loop drives sensory navigation

As organisms navigate the environment to locate critical resources, their behavioral actions must be tightly coupled to their sensory inputs. Here, we introduce an information-theoretic framework that quantifies this coupling using transfer entropy, which measures information flow between sensory inputs and behavioral outputs....

💬 0 commentsarXiv:2607.26295v1PDF
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Posted in q-bio.NC · 2026-07-28 · Chandra Sripada, Richard Lewis

Cognitive Convergence: Deep Similarities Between Large Language Models and Human Cognition

LLMs are widely regarded as alien intelligences, systems whose cognitive operations are fundamentally unlike our own. Apparent similarities to human cognition are therefore often seen as the result of anthropomorphic projection. We argue that this framing is mistaken. LLMs clearly differ from humans in important respects, including...

💬 0 commentsarXiv:2607.26179v1PDF
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Posted in eess.IV · 2026-07-27 · Artyom Tsanda, Stefan Benders, Muhammad Adrian, Alexander Penn, Tobias Knopp

Rapid quantitative chemical composition mapping using model-based MRI reconstruction with field inhomogeneity correction

Magnetic resonance spectroscopic imaging methods are particularly attractive for chemical engineering applications, including the monitoring of chemical reactions, where a rapid assessment of spatial variations in chemical composition is required. Conventional approaches, such as chemical shift imaging, introduce an additional...

💬 0 commentsarXiv:2607.24441v2PDF
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Posted in eess.SP · 2026-07-28 · Guillem Femenias, Jan García-Morales, Felip Riera-Palou

SWIPT-Enhanced Cell-Free Massive MIMO Networks

Simultaneous wireless information and power transfer (SWIPT) has been advocated as a highly promising technology to provide near-perpetual operation to low-powered wireless devices in Internet-of-Things (IoT)-based wireless networks. In this paper, a SWIPT-enhanced cell-free massive MIMO network is proposed. In such a network, a large...

💬 0 commentsarXiv:2607.26303v1PDF
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Posted in eess.SY · 2026-07-28 · Sahel Vahedi Noori, Peter Seiler

Data-Driven Stability and Performance Analysis of Lurye Systems

This paper develops data-driven conditions for certifying internal stability and induced-$\ell_2$ performance of discrete-time Lurye systems. The Lurye system is an interconnection of a nominal LTI system in feedback with a static, memoryless nonlinearity. The nonlinearity satisfies a known set of quadratic constraints on the inputs...

💬 0 commentsarXiv:2607.26277v1PDF
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Posted in eess.SY · 2026-07-28 · Qiang Ji, Fashun Shi, Lin Cheng, Yeye Xie, Yufei Xi, Zhen Dai, Xun Wang

Optimal sizing of a hydrogen-based direct reduced iron-electric arc furnace system integrated with methanol synthesis toward zero-carbon steel production

A hydrogen-based direct reduced iron-electric arc furnace system integrated with methanol synthesis (H2-DRI-EAF-MeOH) provides a feasible pathway toward zero-carbon steel production. However, the volatility and intermittency of renewable energy sources (RES) may lead to capacity oversizing, while conventional annualized-cost and...

💬 0 commentsarXiv:2607.26270v1PDF
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Posted in cs.CV · 2026-07-28 · Takeshi Nishikawa

Lightweight Image Classification of Raptor Species for Edge Devices: Rare-Species Dataset Expansion via Video Frame Extraction, Knowledge Distillation, and TensorRT Deployment

We investigate lightweight raptor-species classification for real-time edge deployment in wind-turbine collision mitigation. Using DINOv2-L (304M parameters) as a teacher, we distilled three lightweight students (MobileNetV4, ViT-Small, and EfficientNet-B0). To reduce confusion between closely related species, we expanded the dataset...

💬 0 commentsarXiv:2607.26238v1PDF
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Posted in eess.SP · 2026-07-28 · Jan García-Morales, Alejandro de la Fuente, David Gualda, Leopoldo Carro-Calvo, Felip Riera-Palou, Guillem Femenias

Evolutionary AP Switch ON/OFF Techniques for Energy-efficient Cell-free Massive MIMO Networks

Cell-free massive multiple input multiple output (CF-mMIMO) is an emerging technology for next-generation wireless systems, where dynamically adapting the set of active access points (APs) is crucial to balance quality of service (QoS) requirements and network energy consumption under highly time-varying and spatially non-uniform...

💬 0 commentsarXiv:2607.26209v1PDF
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Posted in eess.IV · 2026-07-28 · Sudipta Paul, Amanda W. Lund, Bülent Yener

A Hierarchical Framework for Graph Structure Learning in Histopathology Image Classification

The spatial organization of cells and tissues provides important diagnostic cues in histopathology images. Although graph-based approaches can model these relationships, many rely on fixed or heuristic graph structures that may not accurately represent tissue connectivity. In this work, we propose $G_2^*$-Net, an optimized two-level...

💬 0 commentsarXiv:2607.26153v1PDF
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Posted in eess.SP · 2026-07-28 · Thevindu Samarasekera, Praveen Rathnayaka, Sachintha Adhikari, Tharinda Navarathne, Mahela Pandukabhaya, Roshan Godaliyadda, Parakrama Ekanayake, Chanaka Senanayake, Vijitha Herath, Asela Ratnayake

A Synchronized Multi-IMU Wearable System for Tracking of Joint-Angles in Sports Motion Analysis With Reference-Based Validation and Dynamic Task Characterization

Reliable joint-angle measurement outside laboratory environments is important for posture assessment and technique analysis in sports and rehabilitation. Yet, wearable IMU systems, despite being the most practical solution, remain constrained by drift, multisensor timing consistency, validation, and cost. This paper presents a...

💬 0 commentsarXiv:2607.26027v1PDF
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Posted in cs.IT · 2026-07-28 · Semih Akkoc, Sahan Liyanaarachchi, Sennur Ulukus, Aylin Yener

The Rate-Distortion-Deception Tradeoff

The problem of finding the optimal compression rate for a given random variable has been traditionally studied under two main constraints: distortion and perception. The distortion constraint enforces the fidelity of our reconstruction with respect to the observed realization of the random variable, while the perception constraint...

💬 0 commentsarXiv:2607.25997v1PDF
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Posted in cs.RO · 2026-07-28 · Ya-Chia Shen, Woei-Leong Chan

Physics-Aware End-to-End Deep Reinforcement Learning for Quadcopter Control with Actuator Dynamics

Unmanned aerial vehicles (UAVs), particularly quadcopters, present unique challenges for autonomous control due to their underactuated dynamics: only four available control inputs must govern six degrees of freedom. This paper investigates a physics-aware, end-to-end deep reinforcement learning (DRL) approach that acts directly on...

💬 0 commentsarXiv:2607.25985v1PDF
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Posted in eess.IV · 2026-07-28 · Muhammad Talha, William Gordon, Sajid Umair, Zhu Li, Anique Akhtar, Joel Jung

SplatStream: Fine Granular Scalable Gaussian Splatting for Adaptive 3D Scene Streaming

Dynamic 3D Gaussian Splatting (GS) enables high quality real-time rendering for immersive media, but its large representation size and frame-wise redundancy create significant challenges for adaptive streaming. This paper presents SplatStream, a fine granular scalable Gaussian splatting framework for dynamic 3D scene delivery. The...

💬 0 commentsarXiv:2607.25971v2PDF
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Posted in eess.SP · 2026-07-28 · Ayda Nodel Hokmabadi, Mohamed Elhattab, Chadi Assi

Secure Energy-Efficient Uplink Transmission in Movable-Element RIS-aided Systems with Movable Antennas and Artificial Noise

Secure energy efficiency (SEE) has emerged as a key performance metric for next-generation wireless networks, where energy sustainability and information security must be jointly guaranteed. This paper investigates secure uplink transmission in a full-duplex (FD) base station (BS) system equipped with movable antennas (MAs) and...

💬 0 commentsarXiv:2607.25924v1PDF
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Posted in eess.AS · 2026-07-28 · Richa Namballa, Magdalena Fuentes

Spacing Out: On the Reliability of Binaural Music Source Separation Metrics

Despite the rising popularity of immersive audio, binaural music remains underexplored in music information retrieval (MIR), particularly regarding the task of music source separation (MSS). While existing stereo MSS models can process binaural audio, they often degrade the spatial quality of the separated stems and undermine listener...

💬 0 commentsarXiv:2607.25919v1PDF
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Posted in eess.AS · 2026-07-28 · David Gimeno-Gómez, Catarina Botelho, Carlos-D. Martínez-Hinarejos, Isabel Trancoso, Alberto Abad

CARE: A Multimodal Corpus for Studying Speech and Non-Verbal Communication Across Multiple Medical Conditions

Automatic analysis of multimodal speech has shown strong potential for computationally detecting and monitoring a wide range of neurological, psychiatric, and respiratory conditions. However, progress in this field is limited by existing publicly accessible datasets, which are often small in scale, focused on a single condition or...

💬 0 commentsarXiv:2607.25903v1PDF
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Posted in eess.AS · 2026-07-28 · Sahar Altalhi, Tanaya Guha, Alessandro Vinciarelli

Depression Markers in Speech: An Approach based on Tract Variables Dynamics

This study identifies new depression biomarkers based on the dynamical properties of tract variables, which represent geometric features describing the configuration of the speech articulators. A key advantage of this approach lies in its ability to quantify aspects of the articulatory process that have not been previously explored in...

💬 0 commentsarXiv:2607.25888v1PDF
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Posted in eess.AS · 2026-07-28 · Abhishek dileep, Shubham Sharma, Padmanabhan Rajan

Device Invariance using Domain Adaptation on Acoustic Scene Classification

This paper explores the effectiveness of domain adaptation techniques when using convolutional neural network (CNN)-based and transformer-based feature representations for acoustic scene classification. Two well-known domain adaptation techniques, namely domain adversarial neural network (also called DANN) and conditional domain...

💬 0 commentsarXiv:2607.25887v1PDF
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Posted in eess.AS · 2026-07-28 · Stephen Bauer, Sheila Seidel, Shanza Iftikhar, Scott Veidenheimer, Gorkem Ulkar

VAD to the Bone: Ultra-Tiny Speech Activity Detection for Edge Deployment

Voice activity detection (VAD) triggers downstream speech processing in always-on systems under strict memory, latency, and compute constraints. Recent compact models report strong accuracy but rely on components that are not widely supported: learnable filterbanks, recurrent layers, or non-causal post-processing. We propose kiloVAD,...

💬 0 commentsarXiv:2607.25870v1PDF
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Posted in cs.LG · 2026-07-28 · Weixin Liu, Juming Xiong, Congning Ni, Yanfan Zhu, Xingtao Lin, Bradley A. Malin, Zhijun Yin

DRIFT: Direct-Recursive Intervention-Conditioned Forecasting of ICU Physiological Trajectories

Many time-series forecasts depend not only on prior observations but also on actions specified during the forecast period. In intensive care units (ICUs), future vital signs and laboratory values are influenced by treatments such as vasopressors. However, models that predict the full future sequence all at once make little use of...

💬 0 commentsarXiv:2607.25864v1PDF
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Posted in eess.SP · 2026-07-28 · Amirhossein Azarbahram, Onel L. A. López

Beam Selection for Delay-Doppler Visibility in Multi-Target MIMO-OFDM Sensing

This paper studies leakage-aware beam selection for multi-target multiple-input multiple-output (MIMO)-orthogonal frequency-division multiplexing (OFDM) sensing. We focus on ensuring that each hypothesized target remains detectable at its own delay-Doppler (DD) bin despite leakage from other targets. For this, we derive a visibility...

💬 0 commentsarXiv:2607.25810v1PDF
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Posted in eess.SY · 2026-07-28 · Giulio Montecchio, Benjamin Hartmann, Sven Reimann, Maximilian Manderla, Jan Achterhold, Daniel Görges

Horizon Selection in Physics-Enhanced Neural ODEs: Theoretical Insights and Flux Linkage Application

The integration horizon during the training plays a critical role in Physics-Enhanced Neural Ordinary Differential Equations. We draw conclusions about horizon extension in the training of Neural Ordinary Differential Equations based on classical nonlinear system identification of input-output models. In light of this insight, we...

💬 0 commentsarXiv:2607.25804v1PDF
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Posted in eess.SY · 2026-07-28 · Fulong Yao, Yiming Xu, Liana Cipcigan, Maurizio Albano, Naeima Hamed, Nima Valizadeh, Omer Rana

A Hierarchical Optimisation Framework for Integrated Electric-Hydrogen-Transport Systems

Integrated electric-hydrogen infrastructures are becoming increasingly important with the growing deployment of electric vehicles (EVs) and hydrogen vehicles (HVs) in transport systems. However, the strong coupling between vehicle scheduling and multi-energy dispatch introduces significant operational challenges. This paper models an...

💬 0 commentsarXiv:2607.25776v1PDF
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Posted in eess.SP · 2026-07-28 · Xiao-Ming Yuan, Zishun Wang, Donghui Zhao, Deshui Li, Min Zhang

Multi-Dimensional Entropy for Vibration Measurement Data Quality Assessment and Erroneous Signal Identification in Wind Turbines

Ensuring measurement data quality is essential for reliable condition monitoring of industrial wind turbine drivetrains, where vibration measurements can be affected by sensor malfunctions, turbine shutdown conditions, and other non-diagnostic states. Such invalid measurements may compromise the reliability of subsequent monitoring...

💬 0 commentsarXiv:2607.25761v1PDF