Ramsey Theory on the Integer Grid: The "L" Problem

Isaac Mammel, William Smith, Carl Yerger

In an $[n]\times [n]$ integer grid, a monochromatic $L$ is any set of points $\{(i,j),(i,j+t),(i+t,j+t)\}$ for some positive integer $t$, where $1\le i,j,i+t,j+t\le n$…