Effective computation of $Tor_k (M,N)$
  An effective method to compute a presentation of $Tor_k (M,N)$ for modules on a not necessarily commutative algebra is proposed, more precisely when $R$ is a PBW algebra, $M$ is a centralizing $R$-bimodule and $N$ is a finitely generated left $R$-module. 
Socorro Garc\'ia Rom\'an and Manuel Garc\'ia Rom\'an