The minimum vertex degree for an almost-spanning tight cycle in a 3-uniform hypergraph
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The minimum vertex degree for an almost-spanning tight cycle in a 3-uniform hypergraph. / Cooley, Oliver; Mycroft, Richard.
In: Discrete Mathematics, Vol. 340, No. 6, 06.2017, p. 1172-1179.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - The minimum vertex degree for an almost-spanning tight cycle in a 3-uniform hypergraph
AU - Cooley, Oliver
AU - Mycroft, Richard
PY - 2017/6
Y1 - 2017/6
N2 - We prove that any $3$-uniform hypergraph whose minimum vertex degree is at least $\left(\frac{5}{9} + o(1) \right)\binom{n}{2}$ admits an almost-spanning tight cycle, that is, a tight cycle leaving $o(n)$ vertices uncovered. The bound on the vertex degree is asymptotically best possible. Our proof uses the hypergraph regularity method, and in particular a recent version of the hypergraph regularity lemma proved by Allen, B\"ottcher, Cooley and Mycroft.
AB - We prove that any $3$-uniform hypergraph whose minimum vertex degree is at least $\left(\frac{5}{9} + o(1) \right)\binom{n}{2}$ admits an almost-spanning tight cycle, that is, a tight cycle leaving $o(n)$ vertices uncovered. The bound on the vertex degree is asymptotically best possible. Our proof uses the hypergraph regularity method, and in particular a recent version of the hypergraph regularity lemma proved by Allen, B\"ottcher, Cooley and Mycroft.
KW - Hamilton cycle
KW - Hypergraph
KW - Vertex degree
U2 - 10.1016/j.disc.2016.12.015
DO - 10.1016/j.disc.2016.12.015
M3 - Article
VL - 340
SP - 1172
EP - 1179
JO - Discrete Mathematics
JF - Discrete Mathematics
SN - 0012-365X
IS - 6
ER -