papers

Publications (30)

hep-ex2025

Experimental Review of the Quarkonium Physics at the LHC

Yiyang Zhao, Jinfeng Liu, Xing Cheng +2

We review recent heavy quarkonium measurements in , , and collisions at the LHC by the ALICE, ATLAS, CMS, and LHCb collaborations using Run 2 and…

math.AP2025

Classification of the minimal-mass blowup solutions to the two dimensional focusing cubic nonlinear Schrödinger system

Xing Cheng, Zuyu Ma, Jiqiang Zheng

In this article, we study the two dimensional focusing finitely and infinitely coupled cubic nonlinear Schrödinger system when the mass is equal to the scattering threshold. For t…

math.AP2024

Threshold solutions of the energy-critical complex Ginzburg-Landau equation

Xing Cheng, Yunrui Zheng

In this article, we consider energy-critical complex Ginzburg-Landau equation in three and four dimensions. We give the dynamics when the energy of the initial data is equal to the…

math.AP2026

Global weak solution of 3-D focusing energy-critical nonlinear Schrödinger equation

Xing Cheng, Chang-Yu Guo, Yunrui Zheng

In this article, we prove the existence of global weak solutions to the three-dimensional focusing energy-critical nonlinear Schrödinger (NLS) equation in the non-radial case. Fur…

cs.CV2021

SimViT: Exploring a Simple Vision Transformer with sliding windows

Gang Li, Di Xu, Xing Cheng +2

Although vision Transformers have achieved excellent performance as backbone models in many vision tasks, most of them intend to capture global relations of all tokens in an image…

cs.CV2021

MlTr: Multi-label Classification with Transformer

Xing Cheng, Hezheng Lin, Xiangyu Wu +5

The task of multi-label image classification is to recognize all the object labels presented in an image. Though advancing for years, small objects, similar objects and objects wit…

cs.CV2023

Generation-Guided Multi-Level Unified Network for Video Grounding

Xing Cheng, Xiangyu Wu, Dong Shen +2

Video grounding aims to locate the timestamps best matching the query description within an untrimmed video. Prevalent methods can be divided into moment-level and clip-level frame…

math.AP2024

Global well-posedness of the energy-critical complex Ginzburg-Landau equation in exterior domains

Xing Cheng, Chang-Yu Guo, Jiqiang Zheng +1

In this article, we consider an energy-critical complex Ginzburg-Landau equation in the exterior of a smooth compact strictly convex obstacle. We prove the global well-posedness of…

hep-ex2026

Momentum Measurement of Charged Particles in FASER's Emulsion Detector at the LHC

FASER Collaboration, Roshan Mammen Abraham, Xiaocong Ai +132

We present a momentum measurement method based on multiple Coulomb scattering (MCS) in the FASER emulsion detector. The measurement of charged-particle momenta is essential for…

math.AP2025

On the convergence of PINNs for inverse source problem in the complex Ginzburg-Landau equation

Xing Cheng, Zhiyuan Li, Mengmeng Zhang +1

This paper addresses the problem of recovering the spatial profile of the source in the complex Ginzburg-Landau equation from regional observation data at fixed times. We establish…

math.AP2014

Global well-posedness and scattering for nonlinear Schrödinger equations with combined nonlinearities in the radial case

Xing Cheng, Changxing Miao, Lifeng Zhao

We consider the Cauchy problem for the nonlinear Schrödinger equation with combined nonlinearities, one of which is defocusing mass-critical and the other is focusing energy-criti…

cs.CV2021

Improving Video-Text Retrieval by Multi-Stream Corpus Alignment and Dual Softmax Loss

Xing Cheng, Hezheng Lin, Xiangyu Wu +2

Employing large-scale pre-trained model CLIP to conduct video-text retrieval task (VTR) has become a new trend, which exceeds previous VTR methods. Though, due to the heterogeneity…

math.AP2025

Expanding solutions near unstable Lane-Emden stars

Ming Cheng, Xing Cheng, Zhiwu Lin

We consider the compressible Euler-Poisson equations for polytropes with and the white dwarf stars. For $γ=\frac{4}{3}…

math.AP2021

Uniqueness and stability for inverse source problem for fractional diffusion-wave equations

Xing Cheng, Zhiyuan Li

This paper is devoted to the inverse problem of determining the spatially dependent source in a time fractional diffusion-wave equation, with the aid of extra measurement data at s…

math.AP2015

Asymptotic behavior of solutions to space-time fractional diffusion equations

Xing Cheng, Zhiyuan Li, Masahiro Yamamoto

This article discusses the analyticity and the long-time asymptotic behavior of solutions to space-time fractional diffusion equations in . By a Laplace transform arg…

physics.optics2018

Planar Cassegrain-type Schwarzschild Objective with Optical Metasurfaces

Xuan Liu, Junhong Deng, King Fai Li +6

Curved reflective mirrors play an indispensable role in widely-employed Cassegrain-type optics, which consequently are inevitably bulky, and thus neither integratable nor well exte…

cond-mat.mtrl-sci2020

Odd-even layer-number effect and layer-dependent magnetic phase diagrams in MnBi2Te4

Shiqi Yang, Xiaolong Xu, Yaozheng Zhu +8

The intrinsic magnetic layered topological insulator MnBi2Te4 with nontrivial topological properties and magnetic order has become a promising system for exploring exotic quantum p…

math.AP2022

Scattering for the mass-critical nonlinear Klein-Gordon equations in three and higher dimensions

Xing Cheng, Zihua Guo, Satoshi Masaki

In this paper we consider the real-valued mass-critical nonlinear Klein-Gordon equations in three and higher dimensions. We prove the dichotomy between scattering and blow-up below…

cs.CV2021

CAT: Cross Attention in Vision Transformer

Hezheng Lin, Xing Cheng, Xiangyu Wu +5

Since Transformer has found widespread use in NLP, the potential of Transformer in CV has been realized and has inspired many new approaches. However, the computation required for…

math.AP2018

On scattering for the defocusing quintic nonlinear Schrödinger equation on the two-dimensional cylinder

Xing Cheng, Zihua Guo, Zehua Zhao

In this article, we prove the scattering for the quintic defocusing nonlinear Schrödinger equation on cylinder in . We establish an abstract li…

math.AP2021

Scattering of the three-dimensional cubic nonlinear Schrödinger equation with partial harmonic potentials

Xing Cheng, Chang-Yu Guo, Zihua Guo +2

In this paper, we consider the following three dimensional defocusing cubic nonlinear Schrödinger equation (NLS) with partial harmonic potential \begin{equation*}\tag{NLS} i\parti…

astro-ph.SR2020

The Relationship between Chirality, Sense of Rotation, and Hemispheric Preference of Solar Eruptive Filaments

Zhenjun Zhou, Rui Liu, Xing Cheng +4

The orientation, chirality, and dynamics of solar eruptive filaments is a key to understanding the magnetic field of coronal mass ejections (CMEs) and therefore to predicting the g…

math.AP2019

Well-posedness for energy-critical nonlinear Schrödinger equation on waveguide manifold

Xing Cheng, Zehua Zhao, Jiqiang Zheng

In this article, we utilize the scale-invariant Strichartz estimate on waveguide which is developed recently by Barron \cite{Barron} based on Bourgain-Demeter decoupling meth…

math.AP2017

Scattering of solutions to nonlinear Schrödinger equations with regular potentials

Xing Cheng, Ze Li, Lifeng Zhao

In this paper, we prove the scattering for radial solutions to energy-critical nonlinear Schrödinger equations with regular potentials in defocusing case.

math.AP2024

Stability of Navier-Stokes equations with a free surface

Xing Cheng, Yunrui Zheng

We consider the viscous incompressible fluids in a three-dimensional horizontally periodic domain bounded below by a fixed smooth boundary and above by a free moving surface. The f…

math.AP2017

On scattering for the cubic defocusing nonlinear Schrödinger equation on waveguide

Xing Cheng, Zihua Guo, Kailong Yang +1

In this article, we will show the global wellposedness and scattering of the cubic defocusing nonlinear Schrödinger equation on waveguide in .…

math.AP2019

Scattering for the mass super-critical perturbations of the mass critical nonlinear Schrödinger equations

Xing Cheng

We consider the Cauchy problem for the nonlinear Schrödinger equation with double nonlinearities with opposite sign, with one term is mass-critical and the other term is mass-supe…

math.AP2024

Remark on the scattering theory of the nonlinear Schrödinger equation on the cylinders

Xing Cheng, Jiqiang Zheng

In this article, we consider the nonlinear Schrödinger equation on the cylinder . In the long range case, we show there is no linear scattering stat…

hep-ex2026

Electromagnetic Shower Reconstruction and Identification in FASER's Emulsion Detector for LHC Forward Neutrino Measurements

FASER Collaboration, Roshan Mammen Abraham, Xiaocong Ai +132

We present methods for electromagnetic shower reconstruction and identification in the FASERnu emulsion detector using 100 GeV and 200 GeV electron test-beam data from the CERN SPS…

math.AP2022

Global well-posedness and scattering of the two dimensional cubic focusing nonlinear Schrödinger system

Xing Cheng, Zihua Guo, Gyeongha Hwang +1

In this article, we prove the global well-posedness and scattering of the cubic focusing infinite coupled nonlinear Schrödinger system on below the threshold in $L_…