"978-3-540-79708-1" . "Fiala, Ji\u0159\u00ED" . "Comparing universal covers in polynomial time" . . "Paulusma, Daniel" . "360532" . . "Comparing universal covers in polynomial time"@en . . "2008-01-01+01:00"^^ . . . . . "[57FF5792664B]" . "10"^^ . "RIV/00216208:11320/08:00206131!RIV10-MSM-11320___" . "RIV/00216208:11320/08:00206131" . "Comparing universal covers in polynomial time"@en . "Comparing universal covers in polynomial time" . "Comparing; universal; covers; polynomial; time"@en . "Berlin" . "Berlin" . . "P(1M0545), Z(MSM0021620838)" . . . "Springer-Verlag" . . "Computer Science - Theory and Applications" . . . "In the paper we have presented a polynomial-time algorithm that decides existence of a locally injective or surjective homomorphism of two universal covers of graphs. These covers are encoded by finite degree matrices." . "2"^^ . . . . "In the paper we have presented a polynomial-time algorithm that decides existence of a locally injective or surjective homomorphism of two universal covers of graphs. These covers are encoded by finite degree matrices."@en . "11320" . . . . "000256351100018" . "1"^^ . .