On the Expressive Power of Permanents and Perfect Matchings of Matrices of Bounded Pathwidth/Cliquewidth (Extended Abstract). [Citation Graph (, )][DBLP]
On the Expressive Power of Planar Perfect Matching and Permanents of Bounded Treewidth Matrices. [Citation Graph (, )][DBLP]
On the expressive power of permanents and perfect matchings of matrices of bounded pathwidth/cliquewidth [Citation Graph (, )][DBLP]