Greedy is optimal for single-pass semi-streaming matching

Algorithms & Data Structures(arxiv.org)view on HackerNews
semi-streamingmatchingalgorithmgraphgreedy

Author: MarcoDewey

Date: 7/21/2026

Article Summary:
The paper proves that no single-pass semi-streaming algorithm can achieve a better-than-half approximation to the maximum matching problem, implying the optimality of the naive greedy algorithm.