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.CO2025
Spectra of Corona Products of Digraphs
Michael Cavers, Farzad Maghsoudi, Babak Miraftab
Two types of corona products for simple directed graphs are introduced, extending the classical notions from the undirected setting: the vertex-corona and the arc-corona. Their str…