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Zhuoyun Li

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Preprint Aug 2026

Runge--Kutta-Aligned Oscillation Elimination: Restoring Superconvergence for Fully Discrete Shock-Capturing DG Schemes

Nonlinear stabilization is indispensable for discontinuous Galerkin (DG) discretizations of hyperbolic conservation laws, yet it typically disrupts the delicate error structure required for superconvergence analysis. Consequently, existing theory has largely been restricted to linear or semi-discrete schemes lacking os...

Man-Ting Peng, Zhuo-Yun Li, Kai-Liang Wu · 0 citations
Preprint Jul 2026

Resolution of the ENO-TV conjecture: a parity dichotomy

We resolve the ENO--TV conjecture, a discrete coercivity problem in compactness theory for entropy-stable approximations of hyperbolic conservation laws. For order-$k$ essentially non-oscillatory (ENO) reconstruction from compactly supported cell averages, it asks whether the nonnegative ENO source times the $(k-1)$st...

Zhuoyun Li, Kailiang Wu · 0 citations

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