Research Gate profile: https://www.researchgate.net/profile/Antonina-Khramova
Twitter (work-related): https://twitter.com/antpkhr/
Instagram (not work-related, but mostly work-travel-related): https://www.instagram.com/tonyastark121/
Telegram channel in Russian (a life blog with curiosities of living in the Netherlands as an expat and working as a mathematician alike): https://t.me/Tonya_Pavlovna
e-mail: firstname.lastname@example.org (main), email@example.com (backup)
for NSU / Sobolev Institute of Mathematics / SibSUTIS and related inquiries, respectively:
firstname.lastname@example.org, email@example.com, firstname.lastname@example.org.
postal address: MetaForum 4.145, PO Box 513, 5600 MB, Eindhoven, the Netherlands