An Yongle

Hi, I'm An Yongle, a Brazilian undergraduate student in mathematics. I speak Portuguese, English, Spanish and some Chinese, and may contribute in all of them through translations or adding new content, mostly in math-related subjects.

Wikipedia:Babel

ptEste usuário/utilizador tem como língua materna o português.

en-5This user can contribute with a professional level of English.

es-3Este usuario puede contribuir con un nivel avanzado de español.

zh-3該用戶能以熟練的中文進行交流。
该用户能以熟练的中文进行交流。

de-1Dieser Benutzer hat grundlegende Deutschkenntnisse.

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Some interests:

• Maths:
  • Geometric topology;
  • Index theory;
  • Noncommutative geometry.
• Languages;
• Brazilian Jiu-Jitsu.

Current projects

I'm currently focusing on expanding the English version of the Atiyah–Singer index theorem article and translating some parts to Portuguese and Chinese.