■Preface
Recent Activities of Gender Equality Promotion Committee in the Physical Society of Japan
Chiho Nonaka......189

■Interdisciplinary
Phasing Biology Reveals the Role of Prion Protein
Suguru Nishinami and Kentaro Shiraki......192

■Reviews
Study of Topological Lattice Models with Synthetic Dimensions
Tomoki Ozawa......201

■Researches
Atiyah-Patodi-Singer Index Theorem―Domain-Wall Junction among Particle Theory, Condensed Matter Physics, and Mathematics
Hidenori Fukaya, Tetsuya Onogi, and Satoshi Yamaguchi......210

Rhythmic Motion of Self-Propelled Particles Sliding on a Water Surface
Nobuhiko J. Suematsu, Kota Ikeda, and Hiraku Nishimori......215

■JPSJ Selected Papers in the Latest Issue......221

■La Toccata......223

■Memoir on the Screening Reviewed: FY 2018 Grants-in-Aid for Scientific Research from the Japan Society for the Promotion of Science......228

■Physics Community News......232

■Book Reviews......234