2 problems

Consider a table with four feet, where the four feet lie on a circle, placed on ground under the conditions considered in the paper. Circular-footprint table conjecture. It should…

Let $\Omega\subset\mathbb{R}^3$ be a bounded domain with boundary $\partial\Omega$, and let $D\subset\partial\Omega$ be a buried boundary part such that $\Omega$ is a proper subset…