Publications (36)
VLM-SFD: VLM-Assisted Siamese Flow Diffusion Framework for Dual-Arm Cooperative Manipulation
Jiaming Chen, Yiyu Jiang, Aoshen Huang +2
Dual-arm cooperative manipulation holds great promise for tackling complex real-world tasks that demand seamless coordination and adaptive dynamics. Despite substantial progress in…
The homotopy type of the Baily-Borel and allied compactifications
Jiaming Chen, Eduard Looijenga
A number of compactifications familiar in complex-analytic geometry, in particular, the Baily-Borel compactification and its toroidal variants, as well as the Deligne-Mumford compa…
MAFIA: Query-Only Memory Attacks via Probing and Factual Injection against Audited LLM Agents
Jiaming Chen, Yisen Gao, Yanping Li +3
Memory-augmented LLM agents rely on rich context for long-horizon reasoning and acting, yet their memory modules expose a persistent attack surface for malicious records, making th…
Nowhere to Go: Benchmarking Multi-robot Collaboration in Target Trapping Environment
Hao Zhang, Jiaming Chen, Jiyu Cheng +3
Collaboration is one of the most important factors in multi-robot systems. Considering certain real-world applications and to further promote its development, we propose a new benc…
Splitting algorithm and normed convergence for drawing the random Loewner curves
Jiaming Chen, Vlad Margarint
Recent advances in Schramm-Loewner evolution have driven increasing interest in non-standard Loewner flows. In this work, we propose a novel splitting algorithm to simulate random…
Small ball probabilities for the stochastic heat equation with colored noise
Jiaming Chen
We consider the stochastic heat equation on the 1-dimensional torus with periodic boundary conditions: $$ \partial_t u(t,x)=\partial^2_x u(t,x)+Ï(t…
Analysis of the smoothly amnesia-reinforced multidimensional elephant random walk
Jiaming Chen, Lucile Laulin
In this work, we discuss the smoothly amnesia-reinforced multidimensional elephant random walk (MARW). The scaling limit of the MARW is shown to exist in the diffusive, critical an…
Convex Fujita numbers: projective bundles
Jiaming Chen, Alex Küronya, Yusuf Mustopa +1
We study effective global generation properties of projectivizations of curve semistable vector bundles over curves and abelian varieties.
Temperature-driven Emergence of Negative Photoconductivity in Semimetal MoTe2 Film Probed with Terahertz Spectroscopy
Jiaming Chen, Peng Suo, Wenjie Zhang +7
Layered two-dimensional (2D) materials MoTe2 have been paid special attention due to the rich optoelectronic properties with various phases. The nonequilibrium carrier dynamics as…
Fisher information and trajectorial interpretation to the Itô--Langevin relative entropy dissipation
Jiaming Chen
The dissipation phenomena of relative entropy from an Itô--Langevin dynamical system is a classic topic from stochastic analysis. Relying on the time-reversal of diffusions, a nov…
ViPSN 2.0: A Reconfigurable Battery-free IoT Platform for Vibration Energy Harvesting
Xin Li, Mianxin Xiao, Xi Shen +22
Vibration energy harvesting is a promising solution for powering battery-free IoT systems; however, the instability of ambient vibrations presents significant challenges, such as l…
On the localization regime of high-dimensional directed polymers in time-correlated random field
Jiaming Chen
This paper describes directed polymer on general time-correlated random field. Law of large numbers, existence and smoothness of limiting free energies are proved at all temperatur…
Chung's Law of the Iterated Logarithm for a Class of Stochastic Heat Equations
Jiaming Chen
We establish a Chung-type law of the iterated logarithm for the solutions of a class of stochastic heat equations driven by a multiplicative noise whose coefficient depends on the…
The stable cohomology of the Satake compactification of
Jiaming Chen, Eduard Looijenga
Charney and Lee have shown that the rational cohomology of the Satake-Baily-Borel compactification the moduli space of principally polarized abelian varieties of dimension g stabil…
Ultrafast Dynamics of Defect-Assisted Auger process in PdSe2 films: Synergistic Interaction Between Defect Trapping and Auger Effect
Di Li, Wenjie Zhang, Peng Suo +9
Strong Coulomb interactions in two-dimensional systems, together with quantum confinement, make many-body processes particularly effective for carrier dynamics, which plays a cruci…
Visionary: The World Model Carrier Built on WebGPU-Powered Gaussian Splatting Platform
Yuning Gong, Yifei Liu, Yifan Zhan +21
Neural rendering, particularly 3D Gaussian Splatting (3DGS), has evolved rapidly and become a key component for building world models. However, existing viewer solutions remain fra…
SCASeg: Strip Cross-Attention for Efficient Semantic Segmentation
Guoan Xu, Jiaming Chen, Wenfeng Huang +3
The Vision Transformer (ViT) has achieved notable success in computer vision, with its variants widely validated across various downstream tasks, including semantic segmentation. H…
Vision-Language Model Predictive Control for Manipulation Planning and Trajectory Generation
Jiaming Chen, Wentao Zhao, Ziyu Meng +4
Model Predictive Control (MPC) is a widely adopted control paradigm that leverages predictive models to estimate future system states and optimize control inputs accordingly. Howev…
Perturbations of Multiple Schramm-Loewner Evolution with Two Non-colliding Dyson Brownian Motions
Jiaming Chen, Vlad Margarint
In this article, we study multiple , for , driven by Dyson Brownian motion. This model was introduced in the unit disk by Cardy in connection with the Calogero-…
On the geometric André-Oort conjecture for variations of Hodge structures
Jiaming Chen
Let be a polarized variation of integral Hodge structure on a smooth complex quasi-projective variety . In this paper, we show that the union of the non-factor spec…
Convex Fujita numbers and the Kodaira-Enriques classification of surfaces
Jiaming Chen, Alex Küronya, Yusuf Mustopa +1
We contemplate the range of convex Fujita numbers for minimal smooth projective surfaces according to their position in the Kodaira-Enriques classification.
Splitting algorithm and normed convergence for drawing the random fractal Loewner curves
Jiaming Chen, Vlad Margarint
In the first part of the paper we propose and study the approximation of the trace via the Ninomiya-Victoir splitting algorithm. We prove the uniform convergence in probab…
Learning Point-Language Hierarchical Alignment for 3D Visual Grounding
Jiaming Chen, Weixin Luo, Ran Song +3
This paper presents a novel hierarchical alignment model (HAM) that learns multi-granularity visual and linguistic representations in an end-to-end manner. We extract key points an…
Effective Radius of a Discrete Moving Polymer
Jiaming Chen
We present a discrete model for a weakly self-avoiding polymer of intrinsic length governed by a discrete heat equation perturbed by Gaussian noise. By introducing a renormaliz…
Skill-Aware Diffusion for Generalizable Robotic Manipulation
Aoshen Huang, Jiaming Chen, Jiyu Cheng +3
Robust generalization in robotic manipulation is crucial for robots to adapt flexibly to diverse environments. Existing methods usually improve generalization by scaling data and n…
Convex Fujita numbers are not determined by the fundamental group
Jiaming Chen, Alex Küronya, Yusuf Mustopa +1
We study effective global generation of adjoint line bundles on smooth projective varieties. To measure the effectivity we introduce the concept of the convex Fujita number of a sm…
Edge-indexed network time series with graph Ornstein-Uhlenbeck dynamics
Jiaming Chen, Almut E. D. Veraart
We introduce a class of Lévy-driven graph Ornstein-Uhlenbeck (grOU) models for edge-indexed network time series. The proposed framework extends generalized network autoregressive…
Observation of Ultrafast Interfacial Exciton Formation and Recombination in Graphene/MoS2 Heterostructure
Yuqing Zou, Qiu-Shi Ma, Zeyu Zhang +11
In this study,we combined time-resolved terahertz spectroscopy along with transient absorption spectroscopy to revisit the interlayer non-equilibrium carrier dynamics in largely la…
DF: World Modeling via Decoder-Free Feature Forecasting in Autonomous Navigation
Jiaming Chen, Guoan Xu, Aoshen Huang +3
Forecasting future states from video sequences is a critical challenge for autonomous robotic systems and a fundamental objective of world modeling. Prior generative methods operat…
Small Ball Probabilities for the Stochastic Heat Equation on Compact Manifolds
Jiaming Chen
We consider the stochastic heat equation on a compact smooth Riemannian manifold without boundary satisfying \begin{equation*} \partial_tu(t,x)=\frac{1}{2}Î_Mu(t,x)+Ï(t,x,u)\dot{…
Predictive Modeling of Biomedical Signals Using Controlled Spatial Transformation
Jiaming Chen, Ali Valehi, Abolfazl Razi
An important paradigm in smart health is developing diagnosis tools and monitoring a patient's heart activity through processing Electrocardiogram (ECG) signals is a key example, s…
Scaling limit of the step-reinforced and stochastic Levy--Lorentz model on weakly entangled integer lattice
Jiaming Chen
This paper describes the stochastic Levy--Lorentz gas driven by general long-range reference random walk on correlated and entangled random medium. Further consideration has been l…
Velocity surface disorder of large deviation rate functions of the random walk in strongly mixing environment
Jiaming Chen
In this work, we establish the existence of large deviation principles of random walk in strongly mixing environments. The quenched and annealed rate functions have the same zero s…
Non-conformality of large deviations of moving average of the random walk in strongly mixing environment
Jiaming Chen
The quenched and annealed large deviations of the random walk in random environment are shown to conform on any compact set whenever the level of disorder is sufficiently low. In t…
VLMPC: Vision-Language Model Predictive Control for Robotic Manipulation
Wentao Zhao, Jiaming Chen, Ziyu Meng +3
Although Model Predictive Control (MPC) can effectively predict the future states of a system and thus is widely used in robotic manipulation tasks, it does not have the capability…
Small Ball Probabilities for the Fractional Stochastic Heat Equation Driven by a Colored Noise
Jiaming Chen
We consider the fractional stochastic heat equation on the -dimensional torus , , with periodic boundary conditio…