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12/22/2021
Identifying Mixtures of Bayesian Network Distributions
A Bayesian Network is a directed acyclic graph (DAG) on a set of n rando...
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07/15/2021
A Refined Approximation for Euclidean k-Means
In the Euclidean k-Means problem we are given a collection of n points D...
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01/27/2021
Hadamard Powers and the Identification of Mixtures of Products
The Hadamard Power of a matrix is the matrix consisting of all Hadamard ...
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12/29/2020
Source Identification for Mixtures of Product Distributions
We give an algorithm for source identification of a mixture of k product...
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07/16/2020
The Sparse Hausdorff Moment Problem, with Application to Topic Models
We consider the problem of identifying, from its first m noisy moments, ...
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09/27/2019
Edge Expansion and Spectral Gap of Nonnegative Matrices
The classic graphical Cheeger inequalities state that if M is an n× n sy...
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11/18/2017