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Packing and Covering Immersion Models of Planar subcubic Graphs

Abstract : A graph H is an immersion of a graph G if H can be obtained by some subgraph G after lifting incident edges. We prove that there is a polynomial function f : N × N → N, such that if H is a connected planar subcubic graph on h > 0 edges, G is a graph, and k is a non-negative integer, then either G contains k vertex/edge-disjoint subgraphs, each containing H as an immersion, or G contains a set F of f (k, h) vertices/edges such that G \ F does not contain H as an immersion.
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Submitted on : Monday, January 22, 2018 - 9:06:53 AM
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Archontia C. Giannopoulou, O-Joung Kwon, Jean-Florent Raymond, Dimitrios M. Thilikos. Packing and Covering Immersion Models of Planar subcubic Graphs. WG: Workshop on Graph-Theoretic Concepts in Computer Science, Jun 2016, Istanbul, Turkey. pp.74-84, ⟨10.1007/978-3-662-53536-3_7⟩. ⟨lirmm-01370310v2⟩



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