Projective covers of the simple modules for the triplet $W$-algebra ${\mathcal{W}}_{p_{+},p_{-}}$

Hiromu Nakano

We study the structure of the abelian category of modules for the triplet $W$-algebra ${\mathcal{W}}_{p_{+},p_{-}}$. Using the logarithmic deformation by Fjelstad et al., we construct lo…