papers

Publications (8)

cs.AI2026

IMUG-Bench: Benchmarking Unified Multimodal Models on Interleaved Understanding and Generation

Lingyi Meng, Zecong Tang, Haoran Li +12

In recent years, unified multimodal models (UMMs) have emerged to support both understanding and generation within a single framework. Mastering dynamic, multi-turn interleaved ima…

math.AP2017

Diffusive Wave in the Low Mach Limit for Non-Viscous and Heat-Conductive Gas

Yechi Liu

The low Mach number limit for one-dimensional non-isentropic compressible Navier-Stokes system without viscosity is investigated, where the density and temperature have different a…

math.DS2025

Hopf and double Hopf bifurcations in a delayed lateral vibration model of footbridges induced by pedestrians

Xuemei Li, Yechi Liu

In this paper, we investigate the dynamical behaviors of a delayed lateral vibration model of footbridges proposed based on the facts that pedestrians will reduce their walking spe…

cs.RO2026

Robo-Cortex: A Self-Evolving Embodied Agent via Dual-Grain Cognitive Memory and Autonomous Knowledge Induction

Nga Teng Chan, Yi Zhang, Yechi Liu +9

The ability to navigate and interact with complex environments is central to real-world embodied agents, yet navigation in unseen environments remains challenging due to "experient…

math.AP2024

Stability of viscous shock profile for convective porous-media flow with degenerate viscosity

Yechi Liu

In this paper, we are concerned with the large time behavior of viscous shock wave for the convective porous-media equation with degenerate viscosity. We get the regularity of the…

math.AP2023

Large time behaviour of solutions to the dimensional scalar conservation law under periodic perturbations with nonlinear degenerate viscosity

Yechi Liu

In this paper, we discuss the asymptotic behaviour of the weak solution to the Cauchy problem for the scalar viscous conservation law, with nonlinear Laplacian viscosity. Firstly,…