McNamara's conjecture on cylindric Schur-positivity
Let λ/d/μ\lambda/d/\muλ/d/μ be a cylindric skew shape that is a subposet of Ck,n−k\mathfrak{C}_{k,n-k}Ck,n−k. For variables x=(x1,x2,…)x=(x_1,x_2,\ldots)x=(x1,x2,…), call sλ/d/μ(x)s_{\lambda/d/\mu}(x)sλ/d/μ(x) cylindric Schur-positive…