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Ruskey and Savage asked the following question: Does every matching in a hypercube Qn for n ≥ 2 extend to a Hamiltonian cycle of Qn? Fink confirmed that every perfect matching can be extended to a Hamiltonian cycle of Qn, thus solved Kreweras’ conjecture. Also, Fink pointed out that every matching can be extended to a Hamiltonian cycle of Qn for n ∈ {2, 3, 4}. In this paper, we prove that every matching in Q5 can be extended to a Hamiltonian cycle of Q5.
Fan Wang, and Weisheng Zhao. "Matchings Extend to Hamiltonian Cycles in 5-Cube." Discussiones Mathematicae Graph Theory 38.1 (2018): 217-231. <http://eudml.org/doc/288556>.
@article{FanWang2018, abstract = {Ruskey and Savage asked the following question: Does every matching in a hypercube Qn for n ≥ 2 extend to a Hamiltonian cycle of Qn? Fink confirmed that every perfect matching can be extended to a Hamiltonian cycle of Qn, thus solved Kreweras’ conjecture. Also, Fink pointed out that every matching can be extended to a Hamiltonian cycle of Qn for n ∈ \{2, 3, 4\}. In this paper, we prove that every matching in Q5 can be extended to a Hamiltonian cycle of Q5.}, author = {Fan Wang, Weisheng Zhao}, journal = {Discussiones Mathematicae Graph Theory}, keywords = {hypercube; Hamiltonian cycle; matching}, language = {eng}, number = {1}, pages = {217-231}, title = {Matchings Extend to Hamiltonian Cycles in 5-Cube}, url = {http://eudml.org/doc/288556}, volume = {38}, year = {2018}, }
TY - JOUR AU - Fan Wang AU - Weisheng Zhao TI - Matchings Extend to Hamiltonian Cycles in 5-Cube JO - Discussiones Mathematicae Graph Theory PY - 2018 VL - 38 IS - 1 SP - 217 EP - 231 AB - Ruskey and Savage asked the following question: Does every matching in a hypercube Qn for n ≥ 2 extend to a Hamiltonian cycle of Qn? Fink confirmed that every perfect matching can be extended to a Hamiltonian cycle of Qn, thus solved Kreweras’ conjecture. Also, Fink pointed out that every matching can be extended to a Hamiltonian cycle of Qn for n ∈ {2, 3, 4}. In this paper, we prove that every matching in Q5 can be extended to a Hamiltonian cycle of Q5. LA - eng KW - hypercube; Hamiltonian cycle; matching UR - http://eudml.org/doc/288556 ER -