A new framework provides verifiable bounds on the error of neural network-based solvers for partial differential equations, moving beyond empirical observation to solution-space guarantees.
![QuaQue facilitates translation from [latex]\text{SPARQL}[/latex] to [latex]\text{SQL}[/latex], enabling queries across knowledge graphs and relational databases through a unified interface.](https://arxiv.org/html/2603.18654v1/assets/traductions-de-modeles.png)
A new system, QuaQue, enables efficient querying of evolving knowledge graphs by representing version history in a compact, relational format.
![The study presents continuum-extrapolated results for tetraquark states-specifically, the axialvector and scalar [latex]b\bar{s}\bar{u}\bar{d}[/latex]-normalized against their respective decay thresholds of [latex]B^*K[/latex] and [latex]BK[/latex], with uncertainties quantified by [latex]1\sigma[/latex] bands, offering insights into the composition and stability of these exotic hadronic structures.](https://arxiv.org/html/2603.18667v1/x8.png)
New lattice QCD simulations explore the potential for stable, four-quark states containing bottom and strange quarks, shedding light on the complex landscape of hadron physics.
A new analysis demonstrates the viability of lightweight cryptography for real-time communication in critical infrastructure networks.
Researchers have developed a new reinforcement learning framework to improve the stability and reliability of bus fleet management in the face of real-world uncertainties.
![Predictions within the Standard Model detail the differential branching fraction and angular observables-specifically [latex]F_L^L[/latex] and [latex]A_{FB}^\ell[/latex]-resulting from the decay of the [latex]\Xi_b^-\to\Xi^-\mu^+\mu^-[/latex] particle.](https://arxiv.org/html/2603.18438v1/x21.png)
New calculations of Ξb to Ξ form factors are paving the way for more precise tests of the Standard Model in the realm of heavy baryons.
![Distributions of neuron activations at bottleneck layers and the fully connected layer reveal that [latex]\mathcal{M}[/latex] (blue) and [latex]\widetilde{\mathcal{M}}[/latex] (orange) models exhibit distinct probability densities during path selection, as indicated by quartile markers and mean values.](https://arxiv.org/html/2603.19025v1/x1.png)
Researchers are developing methods to cryptographically prove the correctness of AI inferences, building confidence in machine learning systems.
New research establishes a refined framework for classifying the inherent difficulty of computational tasks, going beyond traditional notions of what can and cannot be solved.
This review explores how to design reliable wireless communication systems using reconfigurable intelligent surfaces, even when faced with hardware limitations and imperfect interference cancellation.
![Tetraquark operators are constructed from displaced quarks and antiquarks arranged in single-site, I-shaped doubly-displaced, and cross-shaped quadruply-displaced configurations, with variations denoted by ‘a’ and ‘b’ representing differing displacement orderings and encompassing two distinct color structures as defined by [latex] Eqs. (12) [/latex] and [latex] (13) [/latex].](https://arxiv.org/html/2603.19192v1/x1.png)
New lattice QCD calculations reveal that accurately describing the energies of light meson resonances requires the inclusion of operators representing more complex, tetraquark configurations.