(2+)-Replication and the Baby Monster

• Published in: Symmetry, Integrability and Geometry: Methods and Applications
• Date: 2018
• Main Authors: Cummins, C., Matias, R.
• Format: Article
• Language: English
• Published: Інститут математики НАН України 2018
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/209512
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: (2+)-Replication and the Baby Monster / C. Cummins, R. Matias // Symmetry, Integrability and Geometry: Methods and Applications. — 2018. — Т. 14. — Бібліогр.: 25 назв. — англ.

The definitions of replicable and completely replicable functions are intimately related to the Hecke operators for the modular group. We define the notions of "(2+)-replicable" and "completely (2+)-replicable" functions by considering the Hecke operators for Γ₀(2)+. We prove tha...