Home › Events › Colloquium: Sergei Tabachnikov - Penn State University Colloquium: Sergei Tabachnikov - Penn State University Time: Fri Oct 26, 2012, 3:00 pm - 4:00 pm Location: 127 Hayes-Healy Hall Title: Tire tracks geometry, hatchet panimeter, Menzin's conjecture, and complete integrability Abstract