activity
20242026
collaborators

13 papers

astro-ph.EP2026

A Radon-Transform Perspective on Exoplanet Transits

Shotaro Tada

Transit light curves are usually analyzed under the assumption that the transiting planet has a circular sky-projected silhouette. However, planetary rotation, tides, rings, or atm…

math.AP2026

Global existence of small data solutions to 3-D semilinear Euler-Poisson-Darboux equations

Qianqian Li, Huicheng Yin

There is an interesting open question: for -D () semilinear Euler-Poisson-Darboux equation , where , and $μ…

math.AP2026

Long time smooth solutions of 3D cubic quasilinear wave systems with small weakly decaying initial data

Mu Gao, Jun Li, Huicheng Yin

For the 3D cubic quasilinear wave system $\square_{c_i} u^i=G^i(u,\partial u,\partial^2u)=\displaystyle\sum_{\substack{0\le|α|,|β|,|γ|\le1 \\ 1\le j,k,l \le m}}g_{αβγ}^{ijkl}…

math.AP2026

Long time smooth solutions of 2-D quadratic quasilinear wave equations in exterior domains with Neumann boundary conditions

Fei Hou, Huicheng Yin, Meng Yuan

For the 3-D quadratic quasilinear wave equations in exterior domains with Dirichlet or Neumann boundary conditions, the global existence or the maximal existence time of small data…

math.AP2025

Global small data weak solutions of 2-D semilinear wave equations with scale-invariant damping, III

Qianqian Li, Huicheng Yin

For the -D semilinear wave equation with scale-invariant damping , where , and , it is conjectured that the global sm…

math.AP2025

Global small data weak solutions of 2-D semilinear wave equations with scale-invariant damping, I

Li Qianqian, Wang Dinghuai, Yin Huicheng

There is an interesting open question: for the -D () semilinear wave equation with scale-invariant damping , where $t\ge 1…