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Spectral radius conditions for fractional $[a,b]$-covered graphs (2210.03367v1)
Published 7 Oct 2022 in math.CO
Abstract: A graph $G$ is called fractional $[a,b]$-covered if for every edge $e$ of $G$ there is a fractional $[a,b]$-factor with the indicator function $h$ such that $h(e)=1$. In this paper, we provide tight spectral radius conditions for graphs being fractional $[a,b]$-covered.
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