A stability-like theorem for cohomology of pure braid groups of the series A, B and D

Simona Settepanella

Consider the ring $R:=\Q[τ,τ^{-1}]$ of Laurent polynomials in the variable $\tau$. The Artin's Pure Braid Groups (or Generalized Pure Braid Groups) act over $R,$ where the action of e…