Recursive Least-Squares Algorithm Based on a Fourth-Order Tensor Decomposition for Acoustic Echo Cancellation. - Otopeleanu, Radu-Andrei; Dogariu, Laura-Maria; Paleologu, Constantin; Benesty, Jacob; Stanciu, Cristian-Lucian; Costea, Ruxandra-Liana (Mathematics (2227-7390), 2026)