Area 51 » Yourong Zang

A mathematics student, who dreamed to be good at math. Hardworking and enthusiastic. Love topology, algebra, and complex analysis. Have trouble with number theory and linear algebra. An educator.

Reputation Record (Updated Annually)

My first year on MathSE...

Total Reputations: 570

Favorite Tags: Hyperbolic Geometry & Real Analysis

My Top Answer:

Show that $\int_ {\mathbb{D}}f(\frac{\alpha(x_1+ix_2)+\beta}{\bar{\beta}(x_1+ix_2)+\bar{\alpha}})d\mu(x_1,x_2)=\int_ {\mathbb{D}}f(x_1+ix_2)d\mu(x_1,x_2)$