A polyhedral view to generalized multiple domination and limited packing

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Abstract

Given an undirected simple graph G = (V,E) and integer values fv, v ∈ V, a node subset D ⊆ V is called an f-tuple dominating set if, for each node v ∈ V, its closed neighborhood intersects D in at least fv nodes. We investigate the polyhedral structure of the polytope that is defined as the convex hull of the incidence vectors in RV of the f-tuple dominating sets in G. We provide a complete formulation for the case of stars and introduce a new family of (generally exponentially many) inequalities which are valid for the f-tuple dominating set polytope and that can be separated in polynomial time. A corollary of our results is a proof that a conjecture present in the literature on a complete formulation of the 2-tuple dominating set polytope of trees does not hold. Investigations on adjacency properties in the 1-skeleton of the f-tuple dominating set polytope are also reported.

Original languageEnglish
Title of host publicationCombinatorial Optimization - 5th International Symposium, ISCO 2018, Revised Selected Papers
EditorsGiovanni Rinaldi, A. Ridha Mahjoub, Jon Lee
PublisherSpringer Verlag
Pages352-363
Number of pages12
ISBN (Print)9783319961507
DOIs
Publication statusPublished - 1 Jan 2018
Externally publishedYes
Event5th International Symposium on Combinatorial Optimization, ISCO 2018 - Marrakesh, Morocco
Duration: 11 Apr 201813 Apr 2018

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume10856 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference5th International Symposium on Combinatorial Optimization, ISCO 2018
Country/TerritoryMorocco
CityMarrakesh
Period11/04/1813/04/18

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