■Preface
Duality of Membership Journal
Shuji Hasegawa......615

■Multi-Messenger Astronomy with Gravitational Wave Observation
Foreword......618
First Observation of Gravitational Waves from a Binary Neutron Star Merger
Koji Arai......619
 
GW170817: Observation of the Binary Neutron Star Merger and Its Interpretation Based on Numerical Relativity
Masaru Shibata......623

GW170817: Optical/Infrared Counterpart and Implications for Nucleosynthesis
Masaomi Tanaka......627

Interpretation of Non-Thermal Afterglow of GW170817
Kenta Hotokezaka......631

What is the Gamma-Ray Burst Associated with the Gravitational Wave?
Kunihito Ioka......635

■Reviews
Chiral Edge Conduction on Domain Walls of a Magnetic Topological Insulator
Kenji Yasuda, Atsushi Tsukazaki, and Yoshinori Tokura......640

Perspectives and Issues in Flash Memory
Naoki Tamaoki, Nobutoshi Aoki, and Hideaki Aochi......648

■Researches
Nonadiabatic Mechanism of High-Order Harmonic Generation in Solids
Tomohiro Tamaya......658

■Crossroad
Summary of the 73th Annual Meeting（2018）
Katsurou Hanzawa......664

■JPSJ Selected Papers in the Latest Issue......666

■La Toccata......668

■Obituary......670

■Book Reviews......671