2 papers
math.AG2021
Topological Abel-Jacobi Map and Mixed Hodge Structures
Yilong Zhang
For a smooth projective variety X of dimension 2n-1 over complex field, Zhao defined the topological Abel-Jacobi map, which sends vanishing cycles on a smooth hyperplane section Y…
math.CO2015
A Survey of directed graphs invariants
Sheng Chen, Yilong Zhang
In this paper, various kinds of invariants of directed graphs are summarized. In the first topic, the invariant w(G) for a directed graph G is introduced, which is primarily define…