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math.NA2025
Randomized block Krylov method for approximation of truncated tensor SVD
Malihe Nobakht Kooshkghazi, Salman Ahmadi-Asl, Andre L. F. de Almeida
This paper is devoted to studying the application of the block Krylov subspace method for approximation of the truncated tensor SVD (T-SVD). The theoretical results of the proposed…
eess.SP2025
Reducing Complexity of Data-Aided Channel Estimation in RIS-Assisted Communications
Amarilton Lopes Magalhães, André Lima Férrer de Almeida, Gilderlan Tavares de Araújo
We consider the data-aided channel estimation (CE) problem in a reconfigurable intelligent surface (RIS)-assisted wireless communication system, where the channel and information s…