I am always reachable by E-mail. I will try to reply to E-mail as soon as possible.
Email: fsiddiqua3 [at] gatech.edu , farjanamath12 [at] gmail.com.
Mailing Address:
Room 019, Skiles Classroom Building, School of Mathematics, 686 Cherry St NW,
Georgia Institute of Technology, Atlanta, GA 30309, USA.