■Preface
Butsuri―Recent Developments and the Road Ahead
Shigeo Ohara ...... 539

■Overview Articles
The Mathematics of Reputation-Based Cooperation
Yohsuke Murase, Yuma Fujimoto, and Hisashi Ohtsuki ...... 542

Axion Fragmentation and Its Applications
Ryosuke Sato ...... 551

■Researches
STM-Induced Luminescence from Ultrathin Indium Films via Quantum-Well States
Kenta Kuroishi and Hiroshi Okuyama ...... 561

Gravitational Particle Production in the Inflationary Universe
―Reconciling Two Approaches
Kunio Kaneta ...... 566

■La Toccata ...... 572

■JPSJ Selected Papers in the Latest Issue ...... 574

■Book Reviews ...... 576