Simultaneous FPQ-ordering and hybrid planarity testing

We introduce and study a constrained planarity testing problem, called 1-Fixed Constrained Planarity, and prove that this problem can be solved in quadratic time for biconnected graphs. Our solution is based on a novel definition of fixedness that makes it possible to simplify and extend known techn...

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Published inTheoretical computer science Vol. 874; pp. 59 - 79
Main Authors Liotta, Giuseppe, Rutter, Ignaz, Tappini, Alessandra
Format Journal Article
LanguageEnglish
Published Elsevier B.V 12.06.2021
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Abstract We introduce and study a constrained planarity testing problem, called 1-Fixed Constrained Planarity, and prove that this problem can be solved in quadratic time for biconnected graphs. Our solution is based on a novel definition of fixedness that makes it possible to simplify and extend known techniques about Simultaneous PQ-Ordering. We exploit this result to study different versions of the hybrid planarity testing problem. Namely, we show polynomial-time solutions for a variant of NodeTrix Planarity with fixed sides, for PolyLink Planarity, and for Clique Planarity with fixed sides.
AbstractList We introduce and study a constrained planarity testing problem, called 1-Fixed Constrained Planarity, and prove that this problem can be solved in quadratic time for biconnected graphs. Our solution is based on a novel definition of fixedness that makes it possible to simplify and extend known techniques about Simultaneous PQ-Ordering. We exploit this result to study different versions of the hybrid planarity testing problem. Namely, we show polynomial-time solutions for a variant of NodeTrix Planarity with fixed sides, for PolyLink Planarity, and for Clique Planarity with fixed sides.
Author Rutter, Ignaz
Liotta, Giuseppe
Tappini, Alessandra
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  email: alessandra.tappini@unipg.it
  organization: Dipartimento di Ingegneria, Università degli Studi di Perugia, Perugia, Italy
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Simultaneous FPQ-ordering
Hybrid planarity testing
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Snippet We introduce and study a constrained planarity testing problem, called 1-Fixed Constrained Planarity, and prove that this problem can be solved in quadratic...
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SubjectTerms Graph drawing
Hybrid planarity testing
Simultaneous FPQ-ordering
Title Simultaneous FPQ-ordering and hybrid planarity testing
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