Abstract

Let $s<t$ be two fixed positive integers. We study sufficient minimum-degree conditions for a bipartite graph G, with both color classes of size $n=k(s+t)$, which ensure that G has a $K_{s,t}$-factor. Our result extends the work of Zhao, who determined the minimum-degree threshold which guarantees that a bipartite graph has a $K_{s,s}$-factor.

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