Anton Petrunin
Math. Dept., PSU
University Park, PA 16802

Office: 333 McAllister Building
Phone number:1(814)8630931
PSU calendar+UP campus map

• Texts
• Mathematical competitions
  • Tournament of towns --- an international mathematical competition for school students.
  • Saint-Petersburg olympiad in topology, October 1--31
• Social networking
  • GitHub
  • MathOverflow
  • Research seminars
• Politics
  • The cost of knowledge
  • In solidarity with Library Genesis and Sci-Hub