Qi Sun

activity

20242026

collaborators

3 papers

math.AP2026

Optimal convergence rates in periodic homogenization of nonconvex Hamilton--Jacobi equations

Jiwoong Jang, Qi Sun, Hung V. Tran +1

We study the convergence rates in periodic homogenization of general nonconvex, coercive Hamilton--Jacobi equations. We show that the optimal convergence rate is $O(\varepsilon^{1/…

math.DG2025

Huisken's Distance Comparison Principle in Higher Codimension

Qi Sun

We establish a variant of Huisken's distance comparison principle for reflection symmetric immersed Curve Shortening flow in $R^{n}, n \geq 2$ . As an application, we show that c…

math.DG2024

Curve Shortening Flow of Space Curves with Convex Projections

Qi Sun

We show that under Space Curve Shortening flow any closed immersed curve in $R^{n}$ whose projection onto $R^{2} \times {0}$ is convex remains smooth until it sh…