Dutch study reports lower right-wing voting with more immigrant exposure
Preprint analysis finds the association was more negative in dense areas, while low-density regions and poorer high-exposure neighbourhoods showed different patterns.
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Raman study finds pressure-linked changes in Na2Co2TeO6
Preprint: Spectral features and polarization patterns changed across pressure ranges, with the strongest proposed transition markers above 13.8 GPa.
Preprint reports a possible η′ mass shift inside carbon nuclei
The low-momentum excess persisted across several fits, but the quoted reduction depends on a density model.
Parker Solar Probe filter lifts signal-to-noise for Jupiter radio data
A preprint reports cleaner archival spectra, independent polarization agreement and a near-predicted timing match, but says its screen is not a definitive detector.
Preprint finds sharp three-step cover for 2-colored complete bipartite graphs
Preprint: Every 2-colored complete bipartite graph can be covered by two monochromatic subgraphs, each with diameter at most three.
Preprint kernel method records lowest errors on most PDE benchmarks
The method had the lowest reported error on three of four standard benchmarks and three of four multiscale benchmarks; its proposed doubled convergence rate remains conjectural.
New dataset tests whether AI can diagnose through conversation
Preprint: MTDiag combines synthetic cases, hospital records and case reports, but does not yet compare model performance.
Memory-augmented decoder leads when neural data are scarce
Preprint tests found VN-SST ahead of a Transformer on three public neural recordings, with the widest gap under limited training data.
Preprint finds matrix factorization counts grow much faster for zero targets
This arXiv preprint gives a full asymptotic for fixed nonzero-determinant targets in dimensions 2 and above, a uniform upper bound, and a separate formula for the zero matrix.
Model spots car groups and unusual cases despite missing data
Preprint: A statistical framework combines clustering, regression and missing-data treatment in an Automobile dataset analysis.
Mathematical test links positivity to oscillator-semigroup operators
Preprint: A proof in the complexified Schrödinger representation finds an exact link between a matrix property and bounded intertwiners.
Parallel tree-search model maps speed and capacity trade-offs
Preprint: Exact formulas matched simulation under the stated model, but an eight-worker prototype produced much smaller speedups than unbounded estimates.
Preprint study reports charm ratios vary with jets and event activity
Using Pythia simulations and selected ALICE measurements at 13 TeV, the authors report different baryon and meson patterns under jet and event-activity selections.
Sentence-level scores may make language-model comparisons fairer
A preprint analysis finds Sentence NLL is less tied to surface text counts, but the metric is not a perfect measure of model quality.
Alkali-intercalated WTe2 shows a new structure and narrow gaps
Preprint: Potassium, rubidium and cesium versions showed wider spaces between WTe2 layers, while transport testing focused on the rubidium phase.
Te-Doped PtBi2 Shows Bulk Superconductivity Near 2.4 K
Preprint: A laboratory study reports a centrosymmetric structure and near-complete superconducting volume in selected crystals, while point contacts show higher, variable transition temperatures.
Solver reaches near-complete MaxCut coverage in 0.9 seconds
Preprint: A GPU version nearly matched the reference hypervolume on two tested instances, while refined results reached 100% on both.
Mathematical study sets error bounds for noising and denoising
An arXiv preprint gives asymptotic bounds for a path construction that mimics forward diffusion and approximates time reversal, with results limited to specified mathematical settings.
Power-grid neural network reports low violations across five feeders
This preprint tests a self-supervised method on five simulated IEEE feeders, from a 13-bus model to an 8500-node system, as loads, distributed energy resources and switch settings changed.
MO-IKE Posts Higher Frozen-Model Scores, but Retention Lags
Preprint: MO-IKE records higher scores than comparison methods in several frozen-model tests, while its UniEdit row is much lower.