Mathematician (graduate student in complex geometry), pianist (classical) and amateur go player.

Where did the username come from? See Honinbo Jowa

Some random links:

• Lists of mathematics topics
• List of complex analysis topics
• List of algebraic geometry topics
• List of complex and algebraic surfaces
• Glossary of differential geometry and topology
• Glossary of topology
• Glossary of Riemannian and metric geometry

• Dessins d'enfants
• Riemann surface
• Compact Riemann surface
• Elliptic curve
• J-invariant
• Weierstrass's elliptic functions