the Accountability Horizon
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The Accountability Horizon: An Impossibility Theorem for Governing Human-Agent Collectives
arXiv:2604.07778v2 Announce Type: replace Abstract: Existing accountability frameworks for AI systems, legal, ethical, and regulatory, rest on a shared assumption: for any consequential outcome, at least one identifiable person had enough involvement and foresight to bear meaningful responsibility. This paper proves that agentic AI systems violate this assumption not as an engineering limitation but as a mathematical necessity once autonomy exceeds a computable threshold. We introduce...
Conservative Discrete Structure Stabilizes Autoregressive Rollouts in a 1D Drift Diffusion Poisson Benchmark
arXiv:2606.01366v1 Announce Type: cross Abstract: Learned plasma transport surrogates can match short horizon states while failing over long rollouts because charge accounting, density admissibility, and Poisson compatible field reconstruction are not enforced. We study this issue in a controlled nondimensional one dimensional drift diffusion Poisson benchmark with Dirichlet electrostatic potential boundaries and zero species wall fluxes. The benchmark is a conservation and rollout test, not...
Conservative Discrete Structure Stabilizes Autoregressive Rollouts in a 1D Drift Diffusion Poisson Benchmark
arXiv:2606.01366v1 Announce Type: new Abstract: Learned plasma transport surrogates can match short horizon states while failing over long rollouts because charge accounting, density admissibility, and Poisson compatible field reconstruction are not enforced. We study this issue in a controlled nondimensional one dimensional drift diffusion Poisson benchmark with Dirichlet electrostatic potential boundaries and zero species wall fluxes. The benchmark is a conservation and rollout test, not a...
Sub-postmaster secures £2MILLION pay-out after being wrongly accused of stealing £89,000 from Post Office
Sub-postmaster secures £2MILLION pay-out after being wrongly accused of stealing £89,000 from Post Office EXCLUSIVE: The sub-postmaster has secured a £2million compensation package 10 years after he was wrongly accused of stealing £89,000 from the Post Office he ran with his wife and children A subpostmaster today told how he secured £2million in compensation from the Horizon scandal after a 10-year battle to clear his name - while criticising delays to a criminal probe. The father-of-two...
LongDS-Bench: On the Failure of Long-Horizon Agentic Data Analysis
Announce Type: new Abstract: Real-world data analysis is inherently iterative, yet existing benchmarks mostly evaluate isolated or short interactive tasks, leaving agents' ability to track evolving analytical context over long horizons untested. We introduce LongDS, a benchmark for long-horizon, multi-turn data analysis where agents must maintain, update, restore, and compose evolving analytical states. LongDS comprises 68 tasks constructed from real-world Kaggle notebooks, spanning 2,225...
Robust and efficient data-driven predictive control
arXiv:2409.18867v2 Announce Type: replace Abstract: We propose a robust and efficient data-driven predictive control (eDDPC) scheme which is more sample efficient (requires less offline data) compared to existing schemes, and is also computationally efficient. This scheme employs a recently proposed data-based representation of linear time-invariant (LTI) systems as a predictor. Such a representation serves as an alternative to Hankel-based predictors obtained from, e.g., the so-called...
Clustering-enhanced adaptive Benders decomposition for energy systems planning optimization
arXiv:2606.00388v1 Announce Type: cross Abstract: High-resolution energy system capacity expansion models (CEMs) for energy transition planning often result in large-scale mixed-integer linear programming (MILP) formulations. Benders decomposition (BD) offers a scalable solution approach by iteratively solving a master problem (MP) for investment decisions and multiple subproblems (SPs) for operational decisions. However, accumulated Benders cuts generated by the SPs can make MP solution a...
Alex Vindman Survived Trump’s Retaliation Machine. Now He’s Running for Senate
Alex Vindman knows a thing or two about pissing off President Donald Trump. In 2019, Vindman rose to national prominence when he served as a witness during Trump’s first impeachment trial. If you’ve lost track of that particular scandal, it’s the one involving Trump, Ukrainian president Volodymyr Zelensky, the Biden family … and Vindman listening in on a troubling phone call in his capacity as the director for European affairs on the National Security Council.
Coding with "Enemy": Can Human Developers Detect AI Agent Sabotage?
arXiv:2606.05647v1 Announce Type: new Abstract: AI coding agents are increasingly embedded in real-world software development, collaborating with human developers while gaining broader access to codebases and tools. This creates a new attack surface: an agent can exploit human trust to sabotage development, for instance by inserting malicious code to accomplish a hidden side task. Most prior work studies AI sabotage in AI-only settings, paying limited attention to the role of human oversight...