Week 3, September 2025

Title: Probing Direct Waves in Black Hole Ringdowns
Author: Naritaka Oshita, Sizheng Ma, Yanbei Chen, Huan Yang
arXiv: http://arxiv.org/abs/2509.09165v1

Title: Matrix product state classification of 1D multipole symmetry protected topological phases
Author: Takuma Saito, Weiguang Cao, Bo Han, Hiromi Ebisu
arXiv: http://arxiv.org/abs/2509.09244v1

Title: Incomplete Reputation Information and Punishment in Indirect Reciprocity
Author: Heejeong Kim, Yohsuke Murase
arXiv: http://arxiv.org/abs/2509.09181v1

Title: Index theory and bulk-boundary correspondence for inversion-symmetric second-order topological insulators
Author: Shin Hayashi
arXiv: http://arxiv.org/abs/2509.09240v1

Title: Exact conditions for evolutionary stability in indirect reciprocity under noise
Author: Nikoleta E. Glynatsi, Christian Hilbe, Yohsuke Murase
arXiv: http://arxiv.org/abs/2509.08006v1