Tootfinder

Collective decision-making dynamics in hypernetworks
Angela Fontan, Silun Zhang
https://arxiv.org/abs/2509.05182 https://arxiv.org/pdf/2509.05182

Collective decision-making dynamics in hypernetworks
This work describes a collective decision-making dynamical process in a multiagent system under the assumption of cooperative higher-order interactions within the community, modeled as a hypernetwork. The nonlinear interconnected system is characterized by saturated nonlinearities that describe how agents transmit their opinion state to their neighbors in the hypernetwork, and by a bifurcation parameter representing the community's social effort. We show that the presence of higher-order intera…

Stealthy-Hyperuniform Wave Dynamics in Two-Dimensional Photonic Crystals
Maria Barsukova, Zeyu Zhang, Brian Gould, Koorosh Sadri, Christian Rosiek, S{\o}ren Stobbe, Jonas Karcher, Mikael C. Rechtsman
https://arxiv.org/abs/2507.05253

Stealthy-Hyperuniform Wave Dynamics in Two-Dimensional Photonic Crystals
Hyperuniform structures are spatial patterns whose fluctuations disappear on long length scales, making them effectively homogeneous when observed from afar. Mathematically, this means that their spectral density, $\tildeρ({\bf k})$, approaches zero for low wavenumber, $|\textbf{k}|$. Crystalline lattices are hyperuniform, as are certain quasicrystals, maximally random jammed packing of spheres, and electrons in the fractional quantum Hall state. Stealthy-hyperuniformity is an even s…

The slice decomposition of planar hypermaps
Marie Albenque, J\'er\'emie Bouttier
https://arxiv.org/abs/2509.06850 https://arxiv.org/pdf/2509.06850

The slice decomposition of planar hypermaps
The slice decomposition is a bijective method for enumerating planar maps (graphs embedded in the sphere) with control over face degrees. In this paper, we extend the slice decomposition to the richer setting of hypermaps, naturally interpreted as properly face-bicolored maps, where the degrees of faces of each color can be controlled separately. This setting is closely related with the two-matrix model and the Ising model on random maps, which have been intensively studied in theoretical physi…

HiPerMotif: Novel Parallel Subgraph Isomorphism in Large-Scale Property Graphs
Mohammad Dindoost, Oliver Alvarado Rodriguez, Bartosz Bryg, Ioannis Koutis, David A. Bader
https://arxiv.org/abs/2507.04130

HiPerMotif: Novel Parallel Subgraph Isomorphism in Large-Scale Property Graphs
Subgraph isomorphism, essential for pattern detection in large-scale graphs, faces scalability challenges in attribute-rich property graphs used in neuroscience, systems biology, and social network analysis. Traditional algorithms explore search spaces vertex-by-vertex from empty mappings, leading to extensive early-stage exploration with limited pruning opportunities. We introduce HiPerMotif, a novel hybrid parallel algorithm that fundamentally shifts the search initialization strategy. After …

Turns out ‘Good, Fast, Cheap - pick two’ also applies to Power-to-X, such as hydrogen electrolysis. Flexibility, small scale, low-cost: you can’t have it combined.
https://www.linkedin.com/pulse/all-quiet-h

All Quiet on the HyFront
Twelve months ago, I joined Marble, a Paris-based cleantech incubator with the idea of founding a Power-to-x Company. The move was a culmination of an eight-year analyst career spanning market research, technology diligence, as well as policy and grant advisory.

Dynamical stability of hypermassive neutron stars against quasi-radial perturbations
Pawe{\l} Szewczyk, Dorota Gondek-Rosi\'nska, Pablo Cerd\'a-Dur\'an
https://arxiv.org/abs/2507.05453

Dynamical stability of hypermassive neutron stars against quasi-radial perturbations
The dynamical stability of differentially rotating neutron stars, including hypermassive neutron stars, is of paramount importance in understanding the fate of the post-merger remnant of binary neutron stars mergers and the formation of a black hole during core collapse supernovae. We study systematically the dynamical stability of differentially rotating neutron stars within a broad range of masses, rotation rates and degrees of differential rotation, modeled as polytropes with $Γ=2$. We pay …

Dutch drought resumes. The season's precipitation deficit (evaporation minus rainfall) has been hovering around 200 mm for a while, a high value already. But now, it is starting to grow again, in line with the top 5% driest years in the 1906-2025 record.
#ClimateChange #drought

Liquid-Gas Criticality of Hyperuniform Fluids
Shang Gao, Hao Shang, Hao Hu, Yu-Qiang Ma, Qun-Li Lei
https://arxiv.org/abs/2507.06023 https://

Liquid-Gas Criticality of Hyperuniform Fluids
In statistical physics, a well-accepted knowledge is that liquid-gas (LG) phase transition with diverging critical fluctuations lies in the universality class of Ising model. Yet, whether non-equilibrium effect alone can alter this conclusion remains an open question. Here, we study the LG criticality of a hyperuniform (HU) fluid composed of active spinners, where phase separation is induced by dissipative collisions. Strikingly, at the LG critical point, the HU fluid exhibits normal Gaussian d…

Hyperon Physics at BESIII
Hai-Bo Li, Hong-Fei Shen on behalf of the BESlll collaboration
https://arxiv.org/abs/2509.06304 https://arxiv.org/pdf/2509.06304

Hyperon Physics at BESIII
This proceeding presents recent advances in the study of hyperon physics using data from the BESIII experiment. The BESIII detector has been in full operation at the BEPCII collider since 2008, providing excellent resolution, particle identification (PID), and large coverage for both neutral and charged particles. Leveraging the outstanding capability of the detector, the BESIII experiment has collected 10 billion $J/ψ$ and 2.7 billion $ψ(3686)$ events. In recent years, BESIII has c…

Longitudinal Spin Transfer to $\Lambda$ Hyperons in Semi-Inclusive Deep Inelastic Scattering with CLAS12
M. McEneaney (for the CLAS Collaboration), A. Vossen (for the CLAS Collaboration)
https://arxiv.org/abs/2509.05758

Longitudinal Spin Transfer to $Λ$ Hyperons in Semi-Inclusive Deep Inelastic Scattering with CLAS12
The polarization of $Λ$ hyperons is preserved in the angular distribution of their decay products. This property allows one to study the spin structure of the $Λ$. In Semi-Inclusive Deep Inelastic Scattering where a high energy lepton interacts with a nucleon target and one or more hadrons and the scattered lepton are detected in the final state, the probability for a struck quark to impart the polarization of the lepton to the $Λ$ may be measured. In particular, in electron-proton scatterin…