Almost spanning universality in random graphs
Acta mathematica Universitatis Comenianae, Tome 88 (2019) no. 3, pp. 997-1002
Olaf Parczyk; Olaf Parczyk. Almost spanning universality in random graphs. Acta mathematica Universitatis Comenianae, Tome 88 (2019) no. 3, pp. 997-1002. http://geodesic.mathdoc.fr/item/AMUC_2019_88_3_a99/
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     author = {Olaf Parczyk and Olaf Parczyk},
     title = { Almost spanning universality in random graphs},
     journal = {Acta mathematica Universitatis Comenianae},
     pages = {997--1002},
     year = {2019},
     volume = {88},
     number = {3},
     url = {http://geodesic.mathdoc.fr/item/AMUC_2019_88_3_a99/}
}
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A graph $G$ is called universal for a family of graphs $\mathcal{F}$ if it contains every element $F \in \mathcal{F}$ as a subgraph. We prove for $\Delta\ge 3$ and $\varepsilon>0$ that $G(n,p)$ is a.a.s.~universal for the family of all graphs on $(1-\varepsilon)n$ vertices with maximum degree $\Delta$ provided that $p=\omega(n^{-1/(\Delta-1)})$. This improves on previously known results by Conlon, Ferber, Nenadov, and Škorić~[{\em Almost-spanning universality in random graphs}, Random Structures \& Algorithms \textbf{50} (2017), no. 3, 380--393] and is asymptotically optimal for $\Delta=3$.