Two Lax systems for the Painlevé II Equation, and Two Related Kernels in Random Matrix Theory. - Karl Liechty; Dong Wang (SIAM J. Math. Anal., 2016)

Monotone subsets in lattices and the Schensted shape of a Sós permutation. - Karl Liechty; T. Kyle Petersen (Comb. Theory, 2022)