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math.ST2022
Concentration inequalities for correlated network-valued processes with applications to community estimation and changepoint analysis
Sayak Chatterjee, Shirshendu Chatterjee, Soumendu Sundar Mukherjee +2
Network-valued time series are currently a common form of network data. However, the study of the aggregate behavior of network sequences generated from network-valued stochastic p…
math.ST2017
Thresholds For Detecting An Anomalous Path From Noisy Environments
Shirshendu Chatterjee, Ofer Zeitouni
We consider the "searching for a trail in a maze" composite hypothesis testing problem, in which one attempts to detect an anomalous directed path in a lattice 2D box of side n bas…