Mathematical proof covers RNA targets with up to two short helices
Preprint: The result is limited to a simplified Watson-Crick model and does not test realistic thermodynamics or biological conditions.
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Oscillator network reaches 100% on a two-vowel test
Preprint: A simulated formant-based network classified “ah” and “iy” perfectly, while a raw-waveform design scored 93% and broader tests showed limits.
Quantum Network Model Finds Pair of Tests for False Heralds
Preprint: The model pairs complementary measurements and reports higher modeled fidelity and delivery rates than matched all-BSM networks at specified operating points.
Five-Model Test Reports AI Tool-Call Rates Above 90%
Preprint: A training-free internal signal was associated with tool-call rates from near zero to above 90%, while live-search accuracy was higher at additional search cost.
MoPLEx reports higher scores and lower resource use in selected tests
Preprint: MoPLEx reports higher clustering and ranking scores on two benchmark datasets; resource reductions were limited to tested configurations.
GPU simulator reaches 2.03 million steps per second in tests
Preprint testing reports 2.03 million CartPole steps per second, while a deformable-object task reached 8.86 thousand and leveled off at about 512 environments.
Exact algorithms beat the 2^n search barrier in geometry
Preprint: A theoretical paper reports exact worst-case bounds below the 2^n exhaustive-search barrier for optimal discretization and point separation.
Preprint: Euclidean Prototypes Led on Accuracy, Hyperbolic on Local Recall
A study of about 81,446 paintings found a split: Euclidean prototypes classified styles better, while hyperbolic prototypes showed stronger local recall.
Type A Hessenberg Dimensions Hold Within Sheets When h Is Fixed
Preprint: With the Hessenberg function fixed, matrices in one sheet produce type A Hessenberg varieties with the same dimension.
Mathematicians identify when long-range networks recur
Preprint: New theorems set out sufficient conditions for recurrence in one- and two-dimensional random graph models, while phase boundaries remain open.
Preprint reports faster, more accurate water-wave simulations
A two-way model links a 2D wave calculation to a localized 3D fluid solver, with lower reported errors and faster runtimes in numerical tests.
Deep MEG data linked to stronger speech-decoding tests
Preprint: A 104.2-hour release combines deep recordings from one volunteer with broader data from 32 others.
Preprint reports smaller access-weighted proofs in Ethereum replay
ArXiv version 1 preprint: The report compares a tiered design with MPT and UBT in an Ethereum StateDB replay and controlled benchmarks.
PDE hedge may price some claims above the minimum
An arXiv preprint links the equation's minimum-capital result to an equivalent local martingale measure, while simulations show close tracking without one.
Study finds one intermediate can reduce waste in thermodynamic changes
Preprint: A mathematical model identifies unique intermediate states that reduce dissipated work and shows how reaction time can change an enzyme strategy.
TOI-4468 hosts a hot Jupiter and a nearby outer planet
Preprint: The system also shows an unconfirmed 624-day radial-velocity signal that may be an outer giant.
Cobalt ordering may explain antiferromagnetism near 250 K
Preprint findings link a 250 K antiferromagnetic transition to a calculated cobalt-rich layer and unusual electronic states.
Structured Graphs Get Quadratic-Time All-Pairs Shortest Paths
Preprint: Theoretical algorithms also give quadratic matrix products and near-linear searches for four- and five-vertex cliques in these graph classes.
Preprint proposes depth-preserving route to NC1 pseudorandom functions
An arXiv version 1 preprint dated 25 Aug 2026 reports a generic construction that turns weak pseudorandom functions into strong ones at the same asymptotic depth, with conditional routes from LWE, LPN and CDH.
Preprint presents a three-ball counterexample to Escobar's bound
An explicit polynomial deformation has positive Ricci curvature and a strictly convex boundary, yet its first nonzero Steklov eigenvalue lies below the boundary's minimum curvature.