Search Results for author: Vivek Bagaria

Found 5 papers, 4 papers with code

Boomerang: Redundancy Improves Latency and Throughput in Payment Networks

1 code implementation4 Oct 2019 Vivek Bagaria, Joachim Neu, David Tse

Funds are forwarded using Boomerang contracts, which allow Alice to revert the transfer iff she has learned Bob's secret.

Cryptography and Security Distributed, Parallel, and Cluster Computing Information Theory Networking and Internet Architecture Information Theory

Practical Low Latency Proof of Work Consensus

2 code implementations25 Sep 2019 Lei Yang, Vivek Bagaria, Gerui Wang, Mohammad Alizadeh, David Tse, Giulia Fanti, Pramod Viswanath

Bitcoin is the first fully-decentralized permissionless blockchain protocol to achieve a high level of security, but at the expense of poor throughput and latency.

Distributed, Parallel, and Cluster Computing Cryptography and Security Networking and Internet Architecture

Bandit-Based Monte Carlo Optimization for Nearest Neighbors

1 code implementation21 May 2018 Vivek Bagaria, Tavor Z. Baharav, Govinda M. Kamath, David N. Tse

The celebrated Monte Carlo method estimates an expensive-to-compute quantity by random sampling.

Clustering Multi-Armed Bandits

Hidden Hamiltonian Cycle Recovery via Linear Programming

no code implementations15 Apr 2018 Vivek Bagaria, Jian Ding, David Tse, Yihong Wu, Jiaming Xu

Represented as bicolored multi-graphs, these extreme points are further decomposed into simpler "blossom-type" structures for the large deviation analysis and counting arguments.

Traveling Salesman Problem

Medoids in almost linear time via multi-armed bandits

1 code implementation2 Nov 2017 Vivek Bagaria, Govinda M. Kamath, Vasilis Ntranos, Martin J. Zhang, David Tse

Computing the medoid of a large number of points in high-dimensional space is an increasingly common operation in many data science problems.

Multi-Armed Bandits

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