@Article{Adamus2008, author = "Adamus, Lech and Leśniak, Edyta and Orchel, Beata", title = "3-biplacement of bipartite graphs", journal = "Opuscula Math.", year = "2008", volume = "28", number = "3", pages = "223--231", doi = "http://dx.doi.org/10.7494/OpMath.2008.28.3.223", url = "http://dx.doi.org/10.7494/OpMath.2008.28.3.223", abstract = "Let \(G=(L,R;E)\) be a bipartite graph with color classes \(L\) and \(R\) and edge set \(E\). A set of two bijections \(\{\varphi_1 , \varphi_2\}\), \(\varphi_1 , \varphi_2 :L \cup R \to L \cup R\), is said to be a \(3\)-biplacement of \(G\) if \(\varphi_1(L)= \varphi_2(L) = L\) and \(E \cap \varphi_1^*(E)=\emptyset\), \(E \cap \varphi_2^*(E)=\emptyset\), \(\varphi_1^*(E) \cap \varphi_2^*(E)=\emptyset\), where \(\varphi_1^*\), \(\varphi_2^*\) are the maps defined on \(E\), induced by \(\varphi_1\), \(\varphi_2\), respectively. We prove that if \(|L| = p\), \(|R| = q\), \(3 \leq p \leq q\), then every graph \(G=(L,R;E)\) of size at most \(p\) has a \(3\)-biplacement.", keywords = "bipartite graph, packing of graphs, placement, biplacement", issn = "1232-9274" }