Sign components of diagonal superspace coinvariants

Nicolle González, John Lentfer, Hanna Mularczyk

We prove the sign-isotypic components of the coinvariant rings $R_n^{(2,1)}$ and $R_n^{(2,0)}\otimes R_n^{(0,1)}$ are isomorphic and show that the triply-graded multiplicity of th…