Here are some useful resources regarding the Mathematics department at Penn:
Math Department Home Page
The Math Major
The Submatriculation Program
PUMS Listserv
Math@Penn Facebook Group
Penn Chapter for the Association of Women in Mathematics
Putnam Problem Solving Seminar
Math Department Home Page
The Math Major
The Submatriculation Program
PUMS Listserv
Math@Penn Facebook Group
Penn Chapter for the Association of Women in Mathematics
Putnam Problem Solving Seminar