תאריך:
ה', 10/05/201814:30-15:30
מיקום:
Manchester Building (Hall 2), Hebrew University Jerusalem
Abstract: We note that under certain conditions, the area enclosed by the logarithmic image of a planar real algebraic curve does not vary continuously, but only takes values that are half-integer multiples of pi square. The half-integer number can be interpreted as a quantum index of the real curve. As such, it can be used to refine real enumerative geometry in a way consistent with the Block-Göttsche invariants from tropical geometry.