Expertini Research Research

Browse Research Papers

20,634+ open-access research outputs.

✕ Clear
🔍 david wagner
Showing 20634 results for "david wagner"
Physics Preprint PDF DOI

Phenomenology of $f_2(1270)$ photoproduction at energies measured with the CLAS facility

K. E. S. Mendes, D. T da Silva, M. L. L. da Silva · 2026

We investigate the photoproduction of the tensor meson $f_2(1270)$ on the proton within a Regge-based framework, focusing on the reaction $\gamma p \to p f_2(1270)$ in the few-GeV energy region. The p…

Read Paper →
Physics Preprint PDF DOI

Chiral Symmetry and Its Restoration in QCD

Teiji Kunihiro · 2026

Starting with describing the Dirac equation in an unconventional manner, we introduce the notion of chirality and show how chiralities are mixed in the massive Dirac particles.Then we discuss the appr…

Read Paper →
Neuroscience Preprint PDF DOI

On Agentic Behavioral Modeling

Dirk Ostwald, Rasmus Bruckner, Franziska Usee, Belinda Fleischmann, Joram Soch, Sean Mulready · 2026

Integrating theoretical neuroscience, decision theory, and probabilistic inference offers a promising route to understanding human cognition, yet concrete methodological bridges between agentic AI mod…

Read Paper →
Mathematics Preprint PDF DOI

Rising GUE Eigenvalue Process from a Fixed Level

Zoe Himwich · 2026

We construct the multilevel correlation kernel for the rising GUE eigenvalue process starting from a fixed initial configuration $x^{(m)}$, and show that it converges on short time scales (as quickly …

Read Paper →
Mathematics Preprint PDF DOI

Quantitative homogenization of the maximal action of curves in a Brownian potential

Felix Otto, Matteo Palmieri · 2026

Motivated by an optimal-matching problem (Leighton-Shor) and the random-field Ising model (Aizenman-Wehr, Ding-Wirth), we consider a variational problem for graphs in $1+1$ dimension maximizing an act…

Read Paper →
Physics Preprint PDF DOI

Ballistic Exciton Flow Driven by Intertwined Exciton-Electron Orders in a Moir\'e Superlattice

Shibin Deng, Jonas M. Peterson, Jonas Reimann, Heonjoon Park, Ammon Fischer, Takashi Taniguchi, Kenji Watanabe, Xiaodong Xu, Dante M. Kennes, Libai Huang · 2026

Moir\'e superlattices of transition-metal dichalcogenides (TMDs) host strongly interacting Bose-Fermi mixtures in which bosonic excitons coexist with correlated electron lattices. Using ultrafast, tim…

Read Paper →
Engineering Preprint PDF DOI

FeatureFox: Sample-Efficient Panoptic Graph Segmentation for Machining Feature Recognition in B-Rep 3D-CAD Models

Bertram Fuchs, Altay Kacan, Aaron Haag, Oliver Lohse · 2026

Automatic feature recognition (AFR) on B-Rep 3D-CAD models is central to CAD/CAM automation, yet most learning-based methods are complex, data-hungry, and evaluate instance grouping and semantic label…

Read Paper →
Physics Preprint PDF DOI

Temporal hopping dynamics in exciton-polariton condensation

Elena Rozas, Wojciech Bukalski, Yannik Brune, Adbhut Gupta, Kirk Baldwin, Loren N. Pfeiffer, Hassan Alnatah, Jonathan Beaumariage, David W. Snoke, Paolo Comaron, Marzena H. Szymanska, Marc A{ss}mann · 2026

Polariton condensates provide a versatile platform for exploring non-equilibrium phase transitions and collective phenomena in open quantum systems. Near the condensation threshold, these systems are …

Read Paper →
Mathematics Preprint PDF DOI

A colimit decomposition for the loop homology of polyhedral products

Lewis Stanton, Fedor Vylegzhanin · 2026

We show that the loop homology algebras of polyhedral products of the form $(\underline{X},\underline{*})^{\mathcal{K}}$ can be written as a colimit over the flagification of $\mathcal{K}$, and obtain…

Read Paper →
Physics Preprint PDF DOI

Coulomb Effects and Wigner-SU(4) Symmetry in He-3 Charge and Magnetic Properties

Xincheng Lin · 2026

This work studies the non-perturbative Coulomb corrections to the He-3 binding energy, magnetic moment, and charge and magnetic radii in leading-order (LO) Pionless Effective Field Theory (Pionless EF…

Read Paper →
Physics Preprint PDF DOI

Toller matrices and the Feynman $i\varepsilon$ in spinfoams

Eugenio Bianchi, Chaosong Chen, Mauricio Gamonal · 2026

We study the analytic properties and three equivalent representations of the Toller matrices $T^{(\pm)}$ which appear in the causal formulation of spinfoam transition amplitudes for 4d Lorentzian quan…

Read Paper →
Physics Preprint PDF DOI

A general formalism for coupling scalar fields to the Einstein equations without a variational principle

Joshua Ritchie · 2026

The purpose of this work is to discuss how matter fields are coupled to gravity within the framework of General Relativity. Our particular focus here is on the coupling of scalar field models. In a fi…

Read Paper →
Physics Preprint PDF DOI

Three-Gluon Scattering Amplitude in de Sitter Spacetime

Tomasz R. Taylor, Bin Zhu · 2026

We study three-gluon scattering amplitudes in global de Sitter spacetime, in the angular momentum basis of SO(1,4) symmetry representations. At the tree level, they are determined by the intertwiner i…

Read Paper →
Computer Science Preprint PDF DOI

Densification Converses for Walker Constellations With Explicit Constants and Reuse Scaling Laws

Ali Khalesi, Francois Baccelli · 2026

We establish densification converses for Walker LEO constellations under nearest-visible association in the full-frequency-reuse setting. Performance is evaluated under the invariant (stationary) meas…

Read Paper →
Physics Preprint PDF DOI

Mass spectra of charged mesons and the quenching of vector meson condensation via exact phase-space diagonalization

Jingyi Chao, Kun Xu · 2026

We investigate the dynamics and mass spectra of charged pseudoscalar ($\pi^+$) and vector ($\rho^+$) mesons in a background magnetic field at finite temperature using the two-flavor Nambu-Jona--Lasini…

Read Paper →
AI & Data Science Preprint PDF DOI

AD-Relight: Training-Free Banner Relighting via Illumination Translation with Diffusion Priors

Rameshwar Mishra, A V Subramanyam · 2026

The recent surge in content consumption through streaming services has driven a growing demand for personalized content. Personalized advertisements (ads) play a crucial role in enhancing both user en…

Read Paper →
Mathematics Preprint PDF DOI

Sharp pathwise nonuniqueness for additive SDEs

Elias Hess-Childs, Keefer Rowan · 2026

We construct a family of velocity fields demonstrating the sharpness of the classical Zvonkin--Veretennikov--Davie strong well-posedness by noise regime. We consider stochastic differential equations …

Read Paper →
Physics Preprint PDF DOI

Ostwald ripening controlled by diffusion of a sparingly soluble component

Alexey Kabalnov · 2026

Additives of sparingly soluble components are known to slow down or completely inhibit Ostwald ripening in dispersed systems. In this paper, our earlier model of stabilization against Ostwald ripening…

Read Paper →
AI & Data Science Preprint PDF DOI

Discovering Agentic Safety Specifications from 1-Bit Danger Signals

Victor Gallego · 2026

Can large language model agents discover hidden safety objectives through experience alone? We introduce EPO-Safe (Experiential Prompt Optimization for Safe Agents), a framework where an LLM iterative…

Read Paper →
Computer Science Preprint PDF DOI

On the hull of linearized polynomial codes

Daniele Bartoli, Giovanni Giuseppe Grimaldi, Pantelimon Stanica · 2026

Motivated by entanglement-assisted quantum error-correcting codes, where the hull dimension determines the number of required pre-shared entangled pairs, we study hulls of two families of $\mathbb{F}_…

Read Paper →
Page 1 of 1032 Next →