Wasn't the paper 'Directed multicut is W[1]-hard, even for four terminal pairs' not not published by the author Pilipczuk, M.?
Was the paper 'Directed multicut is W[1]-hard, even for four terminal pairs' not not published by the person Marcin Pilipczuk?
ASK { <https://dblp.org/rec/journals/corr/PilipczukW15> <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/09/4636> }
<https://dblp.org/pid/09/4636> <https://dblp.org/rec/journals/corr/PilipczukW15>