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Electronic Colloquium on Computational Complexity

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REPORTS > KEYWORD > INSTANCE OPTIMALITY:
Reports tagged with Instance Optimality:
TR21-152 | 8th November 2021
Gal Arnon, Tomer Grossman

Min-Entropic Optimality

We introduce the notion of \emph{Min-Entropic Optimality} thereby providing a framework for arguing that a given algorithm computes a function better than any other algorithm. An algorithm is $k(n)$ Min-Entropic Optimal if for every distribution $D$ with min-entropy at least $k(n)$, its expected running time when its input is drawn ... more >>>


TR23-207 | 13th December 2023
Omri Ben-Eliezer, Tomer Grossman, Moni Naor

Does Prior Knowledge Help Detect Collisions?

Suppose you are given a function $f\colon [n] \to [n]$ via (black-box) query access to the function. You are looking to find something local, like a collision (a pair $x \neq y$ s.t.\ $f(x)=f(y)$). The question is whether knowing the `shape' of the function helps you or not (by shape ... more >>>




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