Apoorv Vikram Singh
4 papers · 2021–2025 · 2 venues · across top CS/AI venues
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Achievements
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Conference Polyglot · Bronze
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Interdisciplinary Bridge · Silver
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Taxonomy Completionist
(14)
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Research topics
Keywords
wasserstein distance
(2)
differential privacy
(1)
spectral clustering
(1)
graph clustering
(1)
random walk
(1)
eigenvalue estimation
(1)
matrix approximation
(1)
spectral analysis
(1)
graph sparsification
(1)
stochastic block model
(1)
nuclear norm
(1)
network clustering
(1)
randomized algorithm
(1)
spectral density
(1)
maximum likelihood estimator
(1)
signed graph
(1)
signed network
(1)
lipschitz function
(1)
generalized eigenvalue
(1)
regularized method
(1)
Papers
Sharper Bounds for Chebyshev Moment Matching, with Applications
COLT 2025
Faster Spectral Density Estimation and Sparsification in the Nuclear Norm (Extended Abstract)
COLT 2024
Moments, Random Walks, and Limits for Spectrum Approximation
COLT 2023
Regularized spectral methods for clustering signed networks
JMLR 2021