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Electronic Colloquium on Computational Complexity

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TR19-111 | 16th August 2019
Klim Efremenko, Gillat Kol, Raghuvansh Saxena

Noisy Beeps

We study the effect of noise on the $n$-party beeping model. In this model, in every round, each party may decide to either `beep' or not. All parties hear a beep if and only if at least one party beeps. The beeping model is becoming increasingly popular, as it offers ... more >>>


TR19-110 | 23rd August 2019
Ryan Alweiss, Shachar Lovett, Kewen Wu, Jiapeng Zhang

Improved bounds for the sunflower lemma

A sunflower with $r$ petals is a collection of $r$ sets so that the
intersection of each pair is equal to the intersection of all. Erd\H{o}s and Rado proved the sunflower lemma: for any fixed $r$, any family of sets of size $w$, with at least about $w^w$ sets, must ... more >>>


TR19-109 | 21st August 2019
Srikanth Srinivasan, Utkarsh Tripathi, S Venkitesh

Decoding Downset codes over a finite grid

In a recent paper, Kim and Kopparty (Theory of Computing, 2017) gave a deterministic algorithm for the unique decoding problem for polynomials of bounded total degree over a general grid $S_1\times\cdots \times S_m.$ We show that their algorithm can be adapted to solve the unique decoding problem for the general ... more >>>



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