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Judiciously 3‐partitioning 3‐uniform hypergraphs
Random Structures and Algorithms ( IF 0.9 ) Pub Date : 2020-02-06 , DOI: 10.1002/rsa.20908
Hunter Spink 1 , Marius Tiba 2
Affiliation  

Bollobás, Reed, and Thomason proved every 3‐uniform hypergraph ℋ with m edges has a vertex‐partition V()=V1V2V3 such that each part meets at least urn:x-wiley:rsa:media:rsa20908:rsa20908-math-0001 edges, later improved to 0.6m by Halsegrave and improved asymptotically to 0.65m+o(m) by Ma and Yu. We improve this asymptotic bound to urn:x-wiley:rsa:media:rsa20908:rsa20908-math-0002, which is best possible up to the error term, resolving a special case of a conjecture of Bollobás and Scott.

中文翻译:

明智地将3分割3一致超图

Bollobás,芦苇,和托马森证明每3-一致超ℋ边缘具有顶点分区V()= V 1V 2V 3,使得每个部分满足至少ur:x-wiley:rsa:media:rsa20908:rsa20908-math-0001边缘,后提高至0.6通过Halsegrave和Ma和Yu渐近改善到0.65 m + om)。我们改进了到的渐近边界骨灰盒:x-wiley:rsa:media:rsa20908:rsa20908-math-0002,最大可能直到误差项为止,解决了Bollobás和Scott猜想的特例。
更新日期:2020-02-06
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