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math.NA2026
Dimensionally absolutely stable but non-diagonalizable -meshes
Mao Shi
We construct an infinite family of rectangular \(T\)-meshes whose conformality-vector-space dimension is constant over all structurally similar geometric realizations, although the…
math.NA2026
On the First Derivative Bounds for Rational Bézier Curves
Mao Shi
In this paper we investigate sharp upper bounds for the first derivative of rational Bézier curves. A long-standing conjecture posited that the linear bound $\|\mathbf{R}'(t)\| \le…