activity
20072026
most citedPrime Labeling of Ladders

6 citations · 24 across the 33 of their papers we have counts for

collaborators

42 papers

math.CO2026

Graphs with Minimum Algebraic Connectivity II: Regular Graphs of Even Degree

Maryam Abdi, Ebrahim Ghorbani

Aldous and Fill (2002) conjectured the asymptotic maximum relaxation time of a random walk on a connected regular graph. Since the relaxation time of a -regular graph is $d/…

math.CO2026

Graphs with Minimum Algebraic Connectivity I: Proofs of Aldous-Fill and Guiduli-Mohar Conjectures

Maryam Abdi, Ebrahim Ghorbani

Aldous and Fill (2002) conjectured that the maximum relaxation time of a random walk on a connected regular graph with vertices is bounded above by ,…

math.CO2026

Kemeny's constant via matrix compression and eigenvalue interlacing

A. Abiad, Á. Carmona, A. M. Encinas +3

Kemeny's constant quantifies the expected time for a random walk to reach a randomly chosen vertex, capturing global properties of a Markov chain. We develop a matrix-analytic fram…

math.CO2023

Menger's Theorem in bidirected graphs

Nathan Bowler, Ebrahim Ghorbani, Florian Gut +2

Bidirected graphs are a generalisation of directed graphs that arises in the study of undirected graphs with perfect matchings. Menger's famous theorem - the minimum size of a set…

math.CO2022

Minimum algebraic connectivity and maximum diameter: Aldous--Fill and Guiduli--Mohar conjectures

Maryam Abdi, Ebrahim Ghorbani

Aldous and Fill (2002) conjectured that the maximum relaxation time for the random walk on a connected regular graph with vertices is . A conjec…

math.CO2021

Matching integral 2-connected graphs

Ebrahim Ghorbani

In this note we present an infinite family of 2-connected graphs such that their matching polynomials have only integer zeros. This answers in negative a question of Akbari et al.…