Pagh and Rodler: cuckoo hashing

What changed

Introduced cuckoo hashing, using two hash tables and displacement of existing keys to obtain constant worst-case lookup time with expected constant amortized update time under the paper’s model.

Scientific scope

The record is the exact ESA 2001 conference chapter on pages 121–133. A later journal or author-hosted version, subsequent variants and production implementations remain separate.

Evidence

The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the exact ESA 2001 conference chapter on pages 121–133. A later journal or author-hosted version, subsequent variants and production implementations remain separate.

Contributors

• Rasmus Pagh · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
• Flemming Friche Rodler · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.

• Springer chapter record for Cuckoo Hashing
• Crossref record for Cuckoo Hashing

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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