The content discusses the optimality of algorithms for dense k-SUM and k-XOR problems. It introduces the average-case variant of the k-SUM conjecture, highlighting improvements in the dense regime using Wagner's k-tree algorithm. The paper proves optimality for k = 3, 4, 5, and a limited range for higher values. Self-reduction methods are employed to handle potentially malicious oracles. The results have implications for cryptanalysis applications.
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by Itai Dinur,N... klokken arxiv.org 03-15-2024
https://arxiv.org/pdf/2111.00486.pdfDypere Spørsmål