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Electronic Colloquium on Computational Complexity

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REPORTS > AUTHORS > SHUN WATANABE:
All reports by Author Shun Watanabe:

TR19-014 | 22nd January 2019
Himanshu Tyagi, Shun Watanabe

A New Proof of Nonsignalling Multiprover Parallel Repetition Theorem

We present an information theoretic proof of the nonsignalling multiprover parallel repetition theorem, a recent extension of its two-prover variant that underlies many hardness of approximation results. The original proofs used de Finetti type decomposition for strategies. We present a new proof that is based on a technique we introduced ... more >>>


TR15-070 | 22nd April 2015
Himanshu Tyagi, Shaileshh Venkatakrishnan , Pramod Viswanath, Shun Watanabe

Information Complexity Density and Simulation of Protocols

Revisions: 1

A simulation of an interactive protocol entails the use of an interactive communication to produce the output of the protocol to within a fixed statistical distance $\epsilon$. Recent works in the TCS community have propagated that the information complexity of the protocol plays a central role in characterizing the minimum ... more >>>




ISSN 1433-8092 | Imprint