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Non-unique time and market incompleteness

Financial markets are often modelled as if time were unique and continuous across assets and markets. Financial markets are however asynchronous, order flow is event-driven, and waiting times between ...

👤 Chris Angstmann | Tim Gebbie 📰 arXiv 📅 2026 👁 110 📚 13

Multi-Fidelity Gaussian Processes for Translational Modelling of Clinical Outcomes

Bridging the gap between animal and human experiments remains a major challenge in translational medicine, particularly in early drug development. Progress is constrained by financial cost, the diffic...

👤 Isaac S. Hayden | Alicia D'Souza | Steve... 📰 arXiv 📅 2026 👁 37 📚 13

Fast Computation of Free-Support Wasserstein Medians

The Wasserstein median is a robust alternative to the Wasserstein barycenter for averaging probability measures, but exact empirical computation can be expensive. A natural metric-space Weiszfeld sche...

👤 Kisung You | Mauro Giuffré | Dennis Shun... 📰 arXiv 📅 2026 👁 29 📚 13

On the Unit Teissier Distribution: Properties, Estimation Procedures and Applications

The Teissier distribution, originally proposed by Teissier [31], was designed to model mortality due to aging in domestic animals. More recently, Krishna et al. [19] introduced the Unit Teissier (UT) ...

👤 Zuber Akhter|Mohamed A. Abdelaziz|M. Z. ... 📰 arXiv 📅 2026 👁 524 📚 12

Hyper Input Convex Neural Networks for Shape Constrained Learning and Optimal Transport

We introduce Hyper Input Convex Neural Networks (HyCNNs), a novel neural network architecture designed for learning convex functions. HyCNNs combine the principles of Maxout networks with input convex...

👤 Shayan Hundrieser | Insung Kong | Johann... 📰 arXiv 📅 2026 👁 201 📚 12

Heavy-Tailed and Long-Range Dependent Noise in Stochastic Approximation: A Finite-Time Analysis

Stochastic approximation (SA) is a fundamental iterative framework with broad applications in reinforcement learning and optimization. Classical analyses typically rely on martingale difference or Mar...

👤 Siddharth Chandak|Anuj Yadav|Ayfer Ozgur... 📰 arXiv 📅 2026 👁 136 📚 12

Autoregressive Boltzmann Generators

Efficient sampling of molecular systems at thermodynamic equilibrium is a hallmark challenge in statistical physics. This challenge has driven the development of Boltzmann Generators (BGs), which allo...

👤 Danyal Rehman | Charlie B. Tan | Yoshua ... 📰 arXiv 📅 2026 👁 135 📚 12

Estimating Consensus Epidemic Trajectories via a Constrained Power Fréchet Mean with Functional Registration

We propose a method for summarizing multiple solutions to SEIR-type compartmental models on a functional space by computing a constrained power Fréchet mean with functional registration to obtain cons...

👤 Yui Tomo | Shu Tamano | Daisuke Yoneoka 📰 arXiv 📅 2026 👁 235 📚 11

Compiling molecular ultrastructure into neural dynamics

High-resolution brain imaging can now capture not just synapse locations but their molecular composition, with the cost of such mapping falling exponentially. Yet such ultrastructural data has so far ...

👤 Konrad P. Kording | Anton Arkhipov | Dav... 📰 arXiv 📅 2026 👁 205 📚 11

Neuromorphic architectures as numerical solvers for computational neuroscience

Neuromorphic computing is closely associated with spiking neuronal networks. However, an alternative class of so-called "rate-based" models arising from computational neuroscience and machine learning...

👤 Jakob Jordan | Ole Richter | Congyang Li... 📰 arXiv 📅 2026 👁 171 📚 11

AISPA: User-Centric System Prompt Auditing for Large Language Model Applications

System prompts are instructions configured by developers to govern the behaviors of foundation models in AI applications. They are used throughout commercial AI products, but are rarely disclosed to t...

👤 Xiangning Lin | Shenzhe Zhu | Shu Yang |... 📰 arXiv 📅 2026 👁 89 📚 11

Association of Progressive PPFE and Mortality in Lung Cancer Screening Cohorts

Background: Pleuroparenchymal fibroelastosis (PPFE) is an upper lobe predominant fibrotic lung abnormality associated with increased mortality in established interstitial lung disease. However, the cl...

👤 Shahab Aslani|Mehran Azimbagirad|Daryl C... 📰 arXiv 📅 2026 👁 456 📚 10

Don't Disregard the Data for Lack of a Likelihood: Bayesian Synthetic Likelihood for Enhanced Multilevel Network Meta-Regression

Multilevel network meta-regression (ML-NMR) enables population-adjusted indirect treatment comparisons by combining individual patient data (IPD) with aggregate data. When individual-level covariates ...

👤 Harlan Campbell|Charles C. Margossian|Je... 📰 arXiv 📅 2026 👁 427 📚 10

Nyxus: A Next Generation Image Feature Extraction Library for the Big Data and AI Era

Modern imaging instruments can produce terabytes to petabytes of data for a single experiment. The biggest barrier to processing big image datasets has been computational, where image analysis algorit...

👤 Nicholas Schaub|Andriy Kharchenko|Hamdah... 📰 arXiv 📅 2026 👁 200 📚 10

CellFluxRL: Biologically-Constrained Virtual Cell Modeling via Reinforcement Learning

Building virtual cells with generative models to simulate cellular behavior in silico is emerging as a promising paradigm for accelerating drug discovery. However, prior image-based generative approac...

👤 Dongxia Wu | Shiye Su | Yuhui Zhang | El... 📰 arXiv 📅 2026 👁 162 📚 10

Flow-based conditional cardiac anatomy generation for virtual cohorts

Cardiac digital twin research is moving from subject-specific anatomical replicas toward virtual cohorts that represent clinically relevant population subgroups. Yet access to representative imaging-d...

👤 Konstantinos Kevopoulos | Beatrice Mosco... 📰 arXiv 📅 2026 👁 137 📚 10

Bradley-Terry Rankings for Recommender Systems Across Dataset Taxonomies

The ranking of recommendation algorithms is a challenging problem since model performance is sensitive to dataset characteristics such as sparsity, sequential structure, and scale. This drives a deman...

👤 Ekaterina Grishina | Stepan Kuznetsov | ... 📰 arXiv 📅 2026 👁 71 📚 10

Experimental evidence of generalization in quantum machine learning in small-data regime

Quantum machine learning is a promising paradigm for learning from limited data, a central bottleneck in domains such as medical imaging, clinical trials, and rare diseases. Quantum convolutional neur...

👤 Leena Anthony | Artemiy Burov | Nicolas ... 📰 arXiv 📅 2026 👁 70 📚 10

Unravelling Marine Benthic Functioning Shifts Under Ocean Acidification.

Ocean acidification (OA) driven by increasing atmospheric CO2 is altering marine biodiversity. However, impacts of OA on ecosystem functioning at the community level, including calcification, primary ...

👤 Carlot J, Comeau S, Chiarore A, Mirasole... 📰 Ecology Letters 📅 2026 👁 60 📚 10

Leveraging artificial intelligence to enhance marine biosecurity.

Marine biosecurity stands at the crossroads of innovation and necessity, with artificial intelligence (AI) offering promising tools to enhance risk assessment, surveillance, and response strategies fo...

👤 Campbell Marnie L, Le Chi T U, Abu-Khala... 📰 未知期刊 📅 2026 👁 53 📚 10
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