2 papers
math.CO2026
On the Spectra of Digraph Laplacians
Saieed Akbari, Michael Cavers, Farzad Maghsoudi +1
We present several Laplacian-type matrices associated with a loopless digraph : the out-/in-degree Laplacians , the incidence…
math.CO2013
On the Cayley graph of a commutative ring with respect to its zero-divisors
Ghodratollah Aalipour, Saieed Akbari
Let be a commutative ring with unity and be be the additive group and the set of all non-zero zero-divisors of , respectively. We denote by $\mathbb{CAY}(R)…