The normalized orbit of a bounded normal operator can be a frame, providing a counterexample to Conjecture 3.
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EDEN releases the largest freely available Italian clinical notes corpus (4M notes, 6k annotated) and proposes CRF-filling as a structured extraction benchmark with zero-shot baselines from Gemma models.
Machine learning methods discover a new noncrossing-partition statistic interpreting q,t-Narayana polynomials and yield a combinatorial proof of their symmetry.
SLayerGen generates crystals invariant to any space or layer group via autoregressive lattice and Wyckoff sampling plus equivariant diffusion, achieving gains over bulk models on diperiodic materials after correcting a prior loss inconsistency for hexagonal groups.
Every proper minor-closed graph class admits an optimal (1+o(1)) log n bit adjacency labeling scheme.
A directed weighted two-graph model separates feasibility from movement in solution discovery and yields a detailed complexity classification for path and shortest-path discovery.
The method reformulates ALE mesh motion as independent multi-patch spline parameterizations per time step, using barrier functions, tangential-slip reparameterization, and constant-preserving quasi-interpolation to enable large-rotation FSI simulations.
Superconductivity in high-pressure MnB4 is induced by altermagnetic spin fluctuations, yielding extended-s pairing symmetry.
A new qubit-efficient HUBO encoding for graph partitioning problems like minimum coloring uses logarithmic bits and a lexicographic penalty to cut resources while providing provable optimality conditions.
A survey of 172 open educational datasets from 204 papers across LAK, EDM, and AIED conferences reveals trends, 143 previously uncatalogued datasets, field gaps, and an 8-item PRACTICE checklist for better data publication.
A microlocal lift of Navier-Stokes dynamics on manifolds yields an if-and-only-if geometric criterion for solution blow-up in terms of deformation integrability, directional entropy, and lifted energy.
A 9U CubeSat detector can identify a thermonuclear weapon on a satellite from 4 km away by observing spallation neutrons induced by GeV protons in roughly one week.
O(n log n) algorithm and matching Omega(n log n) lower bound for partitioning a simple polygon's boundary into the minimum number of contiguous visible segments.
Introduces a method to design structure-specific relational inductive biases for a base transformer architecture, enabling end-to-end transcription of documents with intrinsic structures, demonstrated on sheet music, shape drawings, and mechanical engineering drawings.
In multistage SI(k)R models, the relationship between prevalence peak and weighted stage functional maxima varies with scaling of progression rates, converging under Erlang scaling to a delay model that justifies the factor-two approximation with error bounds and corrections.
Claims an O(n log n) (4/3)OPT + p_max algorithm for PTS that resolves a prior open question, plus faster and more general approximations for MCS.
ReactionAtlas is an iterative ML framework that proposes candidate reactions from seed molecules, filters them with an ML force field for valid transition states, and grows a network of ~47,000 reactions among ~12,000 compounds up to C4 in pre-biotic chemistry.
Derives leading asymptotics for collision-time tails of integrable inhomogeneous Markov chains via steepest-descent analysis and Karlin-McGregor expansion, confirming a prediction for push-block particle systems.
Canopies generalize vines and vineyards by tracking simplex pairs in filtered chain complexes instead of persistence diagram points, with proofs of homeomorphism and applications to multiplicity and monodromy.
A cP_n P_m scheme for DGSEM-LGL achieves m+1 convergence order via projected high-order components and a compact reconstruction operator that corrects the highest Legendre mode.
Hierarchical granular metamaterials achieve simultaneous increases in impact energy absorption per unit mass and reductions in transmitted peak force at low densities through three-level design combining granular dissipation with architected structures.
RoverDevKit is an open physics-based evaluator for lunar micro-rover conceptual design that runs in 30 ms and uses NSGA-II to identify mission-dependent optimal wheel configurations and binding trades.
Symbolic SOS rules generate symbolic semantics that are proven correct and complete with respect to concrete semantics using only the language's algebraic signature.
A YOLO keypoint model trained on 37k+ public images plus 1k neonatal frames achieves SOTA NME and low failure rates for 68-point neonatal landmark detection in clinical conditions.
citing papers explorer
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SLayerGen: a Crystal Generative Model for all Space and Layer Groups
SLayerGen generates crystals invariant to any space or layer group via autoregressive lattice and Wyckoff sampling plus equivariant diffusion, achieving gains over bulk models on diperiodic materials after correcting a prior loss inconsistency for hexagonal groups.
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Charge-Transfer Induced Reactivity in sp Carbon Atomic Wires: Towards 0-D sp-sp2 Nanostructures
Electrochemical reduction of hydrogen-capped polyynes yields stable amorphous sp-sp2 carbon nanoparticles with tunable diameters, >60% retained sp fraction, and ambient stability exceeding six months.
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Dynamic Mechanical Response of Spinodal Architectures Across Length and Time Scales
Macroscale spinodal structures exhibit inertia-driven tenfold strength increase at high strain rates unlike microscale counterparts governed by constituent material sensitivity, with regime maps showing length-scale dependence analogous to fluids.
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Microscopic contributions to the deviation from Amontons friction law
MD simulations with ML force fields reveal non-monotonic friction-load curves in MX2/metal heterostructures arising from coexistence of longitudinal, lateral-slip, and zig-zag sliding modes.
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Quantum Limits of Electronic Transport in Nanostructured Macroscopic Conductors
Junction-level quantum interference governs magnetotransport in disordered low-dimensional networks, with positive MR tied to overlap length and negative MR to lattice-mismatched heterojunctions.
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Predicting co-segregation in multicomponent alloys with solute-solute interactions
An extended dual-solute framework predicts co-segregation bounds in multicomponent alloys by machine-learning pairwise segregation energies that include solute-solute interactions and is validated on magnesium systems.
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Damage dose dependence of deuterium retention in high-temperature self-ion irradiated tungsten
Deuterium retention in 1350 K self-ion irradiated tungsten rises with damage dose to 1.7 at.% at 2.3 dpa without saturation, driven by nm-sized voids that trap D2 gas inside and D atoms on their surfaces.
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Spatial statistics for screening molecular structures
Spatial statistics on voxelized structures using FFT correlations and PCA yield low-dimensional convex features that support accurate predictions with as few as 10 training samples.
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Influence of Heterogeneity on the Response of Architected Metamaterials
Stochastic material heterogeneity modeled with Gaussian random fields in a nonlocal framework fundamentally changes phase nucleation, localization, and macroscopic mechanical response in architected metamaterials.
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On stress-assisted boundary migration during recrystallization
Recrystallization boundary migration in high-purity Al is modulated by the anisotropy of local internal stress states, with no observed shear-coupled motion.
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From Defects to Devices: Design Guidelines for High-Performance Diamond-Based Solar Cells and Single-Dopant Diodes
First-principles modeling shows BVB defects create intermediate bands for solar cells and PV defects enable high room-temperature conductivity via impurity bands in diamond diodes without harming mobility or thermal conductivity.
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Oxygen-Mediated Phase Evolution in Sputtered Cu-W-O: Insights into Surface Chemistry Variability
Varying oxygen partial pressure during sputtering of Cu-W-O films produces either pure CuWO4 or CuWO4 plus Cu3WO6 mixtures, with XPS revealing Cu surface segregation and initial-state electronic structure shifts rather than final-state screening changes.
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Plastic Deformation of B19' Martensite: Where it Matters in NiTi Technology
Kwinking deformation of B19' martensite rationalizes nine listed unusual plastic phenomena observed in NiTi over 50 years and informs constitutive modeling for the technology.