On Hamiltonian Cycles in Claw-Free Cubic Graphs
We show that every claw-free cubic graph of order n at least 8 has at most 2⌊n4⌋{2^{\left\lfloor {{n \over 4}} \right\rfloor }} Hamiltonian cycles, and we also characterize all extremal graphs.
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Format: | Article |
Language: | English |
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University of Zielona Góra
2022-02-01
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Series: | Discussiones Mathematicae Graph Theory |
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Online Access: | https://doi.org/10.7151/dmgt.2249 |
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author | Mohr Elena Rautenbach Dieter |
author_facet | Mohr Elena Rautenbach Dieter |
author_sort | Mohr Elena |
collection | DOAJ |
description | We show that every claw-free cubic graph of order n at least 8 has at most 2⌊n4⌋{2^{\left\lfloor {{n \over 4}} \right\rfloor }} Hamiltonian cycles, and we also characterize all extremal graphs. |
first_indexed | 2024-03-12T08:44:42Z |
format | Article |
id | doaj.art-373a713b522f4c52bc1f11bd75b29ccc |
institution | Directory Open Access Journal |
issn | 2083-5892 |
language | English |
last_indexed | 2024-03-12T08:44:42Z |
publishDate | 2022-02-01 |
publisher | University of Zielona Góra |
record_format | Article |
series | Discussiones Mathematicae Graph Theory |
spelling | doaj.art-373a713b522f4c52bc1f11bd75b29ccc2023-09-02T16:29:34ZengUniversity of Zielona GóraDiscussiones Mathematicae Graph Theory2083-58922022-02-0142130931310.7151/dmgt.2249On Hamiltonian Cycles in Claw-Free Cubic GraphsMohr Elena0Rautenbach Dieter1Institute of Optimization and Operations Research, Ulm University, GermanyInstitute of Optimization and Operations Research, Ulm University, GermanyWe show that every claw-free cubic graph of order n at least 8 has at most 2⌊n4⌋{2^{\left\lfloor {{n \over 4}} \right\rfloor }} Hamiltonian cycles, and we also characterize all extremal graphs.https://doi.org/10.7151/dmgt.2249hamiltonian cycleclaw-free graphcubic graph05c70 |
spellingShingle | Mohr Elena Rautenbach Dieter On Hamiltonian Cycles in Claw-Free Cubic Graphs Discussiones Mathematicae Graph Theory hamiltonian cycle claw-free graph cubic graph 05c70 |
title | On Hamiltonian Cycles in Claw-Free Cubic Graphs |
title_full | On Hamiltonian Cycles in Claw-Free Cubic Graphs |
title_fullStr | On Hamiltonian Cycles in Claw-Free Cubic Graphs |
title_full_unstemmed | On Hamiltonian Cycles in Claw-Free Cubic Graphs |
title_short | On Hamiltonian Cycles in Claw-Free Cubic Graphs |
title_sort | on hamiltonian cycles in claw free cubic graphs |
topic | hamiltonian cycle claw-free graph cubic graph 05c70 |
url | https://doi.org/10.7151/dmgt.2249 |
work_keys_str_mv | AT mohrelena onhamiltoniancyclesinclawfreecubicgraphs AT rautenbachdieter onhamiltoniancyclesinclawfreecubicgraphs |