Removing Popular Faces in Curve Arrangements
A face in a curve arrangement is called popular if it is bounded by the same curve multiple times. Motivated by the automatic generation of curved nonogram puzzles, we investigate possibilities to eliminate the popular faces in an arrangement by inserting a single additional curve. This turns out to...
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Published in | arXiv.org |
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Main Authors | , , , , , , |
Format | Paper |
Language | English |
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Ithaca
Cornell University Library, arXiv.org
30.08.2023
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Abstract | A face in a curve arrangement is called popular if it is bounded by the same curve multiple times. Motivated by the automatic generation of curved nonogram puzzles, we investigate possibilities to eliminate the popular faces in an arrangement by inserting a single additional curve. This turns out to be NP-hard; however, it becomes tractable when the number of popular faces is small: We present a probabilistic FPT-approach in the number of popular faces. |
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AbstractList | A face in a curve arrangement is called popular if it is bounded by the same curve multiple times. Motivated by the automatic generation of curved nonogram puzzles, we investigate possibilities to eliminate the popular faces in an arrangement by inserting a single additional curve. This turns out to be NP-hard; however, it becomes tractable when the number of popular faces is small: We present a probabilistic FPT-approach in the number of popular faces. |
Author | Löffler, Maarten Weinberger, Alexandra Rote, Günter Masárová, Zuzana Terziadis, Soeren Mchedlidze, Tamara de Nooijer, Phoebe |
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