2 problems

Let $J(n,q)$ be the random $(n,q)$-jigsaw, and let reconstructibility mean that the jigsaw is uniquely determined by its deck. Write … Critical-window conjecture. As $n\to\infty$,…

Let $J(n,q)$ be the random $(n,q)$-jigsaw, and let reconstructibility mean that the jigsaw is uniquely determined by its deck. The critical number of colours is conjectured to be a…