Which transformation leaves the correlation functions invariant in CFT?

Conformal transformations leave correlation functions invariant in Two-Dimensional Conformal Field Theory (CFT). These transformations preserve the geometric structure of spacetime and the statistical relationships between observables, allowing researchers to study the symmetries and dynamics of CFT in a geometrically invariant way. By studying the conformal properties of correlation functions, researchers can make precise predictions about their behavior and uncover important insights into the underlying structure of CFT.