Lanzhou University of Technology

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3 citations

9 papers

nlin.CD2026

Emergence of Gamma-Type Upward-Phase Statistics in the Collatz Map: An Effective Poisson Process Mechanism

Weicheng Fu, Xiaobin Liu, Yisen Wang

The Collatz map is a simple deterministic transformation whose orbit structure remains highly nontrivial. A recent direction-phase decomposition partitions each orbit into upward a…

hep-ph2026

Analysis of $J / I ¨ $ and $I ¨ (2 S)$ Charmonium Production in Ultraperipheral Lead-Lead and Proton-Lead Collisions at LHC Energies

Zhe Wang, Jiyuan Zhang, Xiao-Yun Wang

The two gluon exchange model serves as a key framework for describing the photoproduction of heavy vector mesons, and the photoproduction cross sections derived from it provide ess…

hep-ex2026

Study of Central Exclusive Production of $π^{+} π^{-}$ , $K^{+} K^{-}$ and $p p ˉ$ Pairs in Proton-Proton Collisions at $s = 510$ GeV with the STAR Detector at RHIC

STAR Collaboration, B. E. Aboona, J. Adam +385

We report on the first measurement of the Central Exclusive Production process in proton-proton collisions: $pp \to p h^{+} h^{-} p$ (where $h = π, K, p$ ) at the center-of-…

gr-qc2026★ 2 cited

D-dimensional black holes in extended Gauss-Bonnet gravity

Jia-Zhou Liu, Si-Jiang Yang, Chun-Chun Zhu +1

In this work, we present charged spherically symmetric anti-de Sitter black hole solutions in $d$ dimensions ( $d \geq 5$ ) within the framework of extended Gauss--Bonnet gravity. Mo…

gr-qc2026

Light Rings, Accretion Disks and Shadows of Hayward Boson Stars

Zhen-Hua Zhao, Yi-Ning Gu, Shu-Cong Liu +2

In this paper, we investigate the Einstein-Hayward gravity coupled to a complex scalar field without self-interaction. Using numerical methods, we construct a class of Hayward boso…

math.NA2026★ 1 cited

A Block-Shifted Cyclic Reduction Algorithm for Solving a Class of Quadratic Matrix Equations

Xu Li, Beatrice Meini

The cyclic reduction (CR) algorithm is an efficient method for solving quadratic matrix equations that arise in quasi-birth-death (QBD) stochastic processes. However, its convergen…