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Electronic Colloquium on Computational Complexity

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REPORTS > AUTHORS > SIYAO GUO:
All reports by Author Siyao Guo:

TR22-145 | 4th November 2022
Alexander Golovnev, Siyao Guo, Spencer Peters, Noah Stephens-Davidowitz

Revisiting Time-Space Tradeoffs for Function Inversion

We study the black-box function inversion problem, which is the problem of finding $x \in [N]$ such that $f(x) = y$, given as input some challenge point $y$ in the image of a function $f : [N] \to [N]$, using $T$ oracle queries to $f$ and preprocessed advice $\sigma \in ... more >>>


TR21-141 | 28th September 2021
Alexander Golovnev, Siyao Guo, Spencer Peters, Noah Stephens-Davidowitz

On the (im)possibility of branch-and-bound search-to-decision reductions for approximate optimization

Revisions: 1

We study a natural and quite general model of branch-and-bound algorithms. In this model, an algorithm attempts to minimize (or maximize) a function $f : D \to \mathbb{R}_{\geq 0}$ by making oracle queries to a heuristic $h_f$ satisfying
\[
\min_{x \in S} f(x) \leq h_f(S) \leq \gamma \cdot ... more >>>




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