Structural properties of the lattice cohomology of curve singularities

Alexander A. Kubasch, András Némethi, Gergő Schefler

The lattice cohomology of a reduced curve singularity is a bigraded $\mathbb{Z}[U]$-module ${\mathbb{H}}^{\ast }={\oplus }_{q,n}{\mathbb{H}}_{2n}^q$, that categorifies the $\delta$-invariant and…