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cs.DS2025
An Exact Algorithm for the Unanimous Vote Problem
Feyza Duman Keles, Lisa Hellerstein, Kunal Marwaha +2
Consider independent, biased coins, each with a known probability of heads. Presented with an ordering of these coins, flip (i.e., toss) each coin once, in that order, until we…
cs.DS2025
Query Efficient Structured Matrix Learning
Noah Amsel, Pratyush Avi, Tyler Chen +5
We study the problem of learning a structured approximation (low-rank, sparse, banded, etc.) to an unknown matrix given access to matrix-vector product (matvec) queries of the…