Strassen Attention, Split VC Dimension and Compositionality in Transformers - Kozachinskiy, Alexander; Urrutia, Felipe; Orellana, Hector; Steifer, Tomasz; Pizarro, Germán; Fuentes, Matías; Meza Vaśquez, Francisco; Buc Calderon, Cristian; Rojas, Cristobal (Advances in Neural Information Processing Systems, 2025)