论文标题
$ \ mathbb {r}^n $在连续的laplacian和无界Hessian中两次可区分功能的示例
Examples of Twice Differentiable Functions in $\mathbb{R}^n$ with Continuous Laplacian and Unbounded Hessian
论文作者
论文摘要
我们在$ \ mathbb {r}^n $中构建了两次可区分函数的示例，并使用连续的laplacian和无界的Hessian构建。相同的结构也适用于高阶可不同性。
We construct examples of twice differentiable functions in $\mathbb{R}^n$ with continuous Laplacian and unbounded Hessian. The same construction is also applicable to higher order differentiability.
