In a paper of (Murase, 2019) use both terms "group polarization" and "social segregation".
The "group polarization" is explained here, and the author also documents about the "social segregation" as
The relationship between homophily and segregation has been recognized long ago.(...)In another approach to social segregation, opinion dynamics is used so that similar people can influence each other
I am wondering whether these two terms "group polarization" and "social segregation" are the same?