New Formula Calculates Best-Worst Choice Polytope Dimension
Preprint gives an explicit formula for a mathematical structure built from all linear rankings and deterministic best-worst choices.
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1301–1320
New optimization method reaches tight targets in fewer steps
Preprint: Decomposed Bilevel Search reached demanding SLOPE and group-lasso targets in fewer iterations than tested baselines, but evidence is limited to numerical benchmarks.
Model Links Anchor Density to Sudden Shifts in Hypergraph Cores
An arXiv preprint models how anchor links alter core transitions under first- and second-neighbor pruning rules.
Directed networks share a failure threshold, but redundant cores lag
Preprint: An arXiv analysis finds that giant strongly biconnected components emerge at the same threshold as giant strongly connected components, then grow more slowly.
Quantum gravimeter tracks a ship without satellite navigation
Preprint: On a 29-m research vessel, a hybrid quantum gravimeter kept its gravity-aided position within about 1 nautical mile during an approximately six-hour, 83-km evaluation.
LLM agent reports wider kernel coverage, mixed retargeting results
Preprint: KOPE reports broader AscendC benchmark coverage than CANNBot, while source-memory reuse is associated with higher K3 coverage but lower fixed-intersection speedup.
AGN model finds core heating balance in seven mock clusters
A preprint modeling lobed AGN feedback reports core heating offsetting cooling in seven of ten mock clusters, while cooling exceeds AGN heating above 100 kiloparsecs in seven even at a 100% duty cycle.
AI Emotion Steering Shows a Trade-Off in Model Scores
Preprint: Latent-vector steering was associated with higher model-rated affective scores in three instruction-tuned models, while stronger settings coincided with lower semantic-preservation measures.
Persistent rules were linked to steadier approval of AI interfaces
A Preprint study found that Maru users accepted more generated interfaces overall, but cross-topic rules drew more negative feedback.
Confidence-guided selection linked to higher robot-model scores
Preprint: A benchmark study reports higher scores across four robot-model measures, while the Semantics result remains uncertain.
French ASR test reports high LLM agreement on transcript choices
Preprint: GPT-4.1 and Qwen3.5-35B closely matched human pairwise judgments, while embedding scores varied by model and configuration.
Study reports higher database code coverage with AI SQL tests
Preprint: DBcover had the highest reported line coverage in PostgreSQL and MySQL, and was also evaluated in two KingbaseES subsystems.
Feature-distilled CLIP scores higher on complex vision tests
Preprint: Hidden features from multimodal teachers were transferred to CLIP, with higher reported averages in compositionality, classification and retrieval.
AI Memory System Keeps Conflicting Evidence in View
Preprint: PolyMemDB stores the history behind an AI agent's memories and illustrates its evidence scoring in three worked scenarios.
Proof Establishes Exact Product Rule for Bernstein-Sato Polynomials
Preprint: A formal proof shows that the Bernstein-Sato polynomial of a product ideal equals the product of the two individual polynomials.
Mathematical model yields global solutions for two-phase flow
Preprint: A mathematical analysis reports global quasi-strong solutions and an energy equality for a Voigt-regularized model of two-phase viscous flow.
Chinese metaphor AI shows a trade-off between accuracy and consistency
Preprint: A comparison of four conditions found the strongest native score with fine-tuning, while an expert-informed Skill had the narrowest observed spread across three Chinese datasets.
Concept-Based AI Outperformed No Support, but Did Not Consistently Beat Label-Only AI
Preprint: Two experiments found higher accuracy with concept displays than no support in email and bird classification, while interactive controls showed no consistent full-sample advantage over a label alone.
Unified AI model leads most hate-speech benchmark tests
Preprint: HIPPO scored higher than separately trained systems in 14 of 17 comparisons, while cross-lingual scores were mixed.
Preprint identifies alloy families with large Hall signals
A computational screen of 2,251 tetragonal alloys highlights NiPt- and CoIr-based candidates, but experiments are still needed.