Search Results for author: Cassandra Marcussen

Found 2 papers, 0 papers with code

Errors are Robustly Tamed in Cumulative Knowledge Processes

no code implementations11 Sep 2023 Anna Brandenberger, Cassandra Marcussen, Elchanan Mossel, Madhu Sudan

We study processes of societal knowledge accumulation, where the validity of a new unit of knowledge depends both on the correctness of its derivation and on the validity of the units it depends on.

Uniformity Testing over Hypergrids with Subcube Conditioning

no code implementations17 Feb 2023 Xi Chen, Cassandra Marcussen

We give an algorithm for testing uniformity of distributions supported on hypergrids $[m_1] \times \cdots \times [m_n]$, which makes $\smash{\widetilde{O}(\text{poly}(m)\sqrt{n}/\epsilon^2)}$ many queries to a subcube conditional sampling oracle with $m=\max_i m_i$.

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