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  1. ; ; (, Symposium on Simplicity in Algorithms)
    Sampling edges from a graph in sublinear time is a fundamental problem and a powerful subroutine for designing sublinear-time algorithms. Suppose we have access to the vertices of the graph and know a constant-factor approximation to the number of edges. An algorithm for pointwise ε-approximate edge sampling with complexity has been given by Eden and Rosenbaum [SOSA 2018]. This has been later improved by Tetek and Thorup [STOC 2022] to . At the same time, time is necessary. We close the problem, by giving an algorithm with complexity for the task of sampling an edge exactly uniformly. 
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