Abstract
We study an operation which measures self-intersections of curves on an oriented surface. It turns out that a certain computation on this topological operation is related to the Bernoulli numbers
Citation
Shinji Fukuhara. Nariya Kawazumi. Yusuke Kuno. "Self-intersections of curves on a surface and Bernoulli numbers." Osaka J. Math. 55 (4) 761 - 768, October 2018.