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The Matching Number Characterizes the Query Complexity of Edge Counting and Degree Moment Estimation

Fan, Chenglin et al.
arXiv (All) · Papers
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data-structures-and-algorithms
Consider an unknown graph $G = (V,E)$ with vertex degrees $d_v$, accessed only by sampling uniformly random edges and querying the degrees of their endpoints. We study the query complexity of estimating the number of edges $m$ and the degree moments $M_s = \sum_{v \in V} (d_v)^s$ for fixed integers
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