Showing math.COShow all
2 papers · 1 filter
math.CO2023
On the edge reconstruction of the characteristic and permanental polynomials of a simple graph
Jingyuan Zhang, Xian'an Jin, Weigen Yan +1
As a variant of the Ulam's vertex reconstruction conjecture and the Harary's edge reconstruction conjecture, Cvetković and Schwenk posed independently the following problem: Can th…
math.CO2023
On the edge reconstruction of six digraph polynomials
Jingyuan Zhang, Xian'an Jin, Weigen Yan
Let be a digraph having no loops and no multiple arcs, with vertex set and arc set . Denote the adjacency matrix and…