papers

Publications (12)

math.AC2014

On cycles in intersection graph of rings

Ali Azimi, Ahmad Erfanian, Mohammad Farrokhi Derakhshandeh Ghouchan +1

Let be a commutative ring with non-zero identity. We describe all - and -free intersection graph of non-trivial ideals of as well as -free intersection graph…

math.AC2014

Cycles and paths in Jacobson graphs

Ali Azimi, Mohammad Farrokhi Derakhshandeh Ghouchan

All finite Jacobson graphs with a Hamiltonian cycle or path, or Eulerian tour or trail are determined, and it is shown that a finite Jacobson graph is Hamiltonian if and only if it…

physics.optics2025

Photonics in Flatland: Challenges and Opportunities for Nanophotonics with 2D Semiconductors

Ali Azimi, Julien Barrier, Angela Barreda +45

Two-dimensional (2D) semiconductors are emerging as a versatile platform for nanophotonics, offering unprecedented tunability in optical properties through exciton resonance engine…

math.CO2023

Moore-Penrose inverse of incidence matrices

Ali Azimi, R. B. Bapat, Mohammad Farrokhi Derakhshandeh Ghouchan

We present explicit formulas for Moore-Penrose inverses of some families of set inclusion matrices arising from sets, vector spaces, and designs.

math.CO2023

Explicit formulas for matrices associated to ladder, circular ladder, and Mobius ladder graphs

Ali Azimi, Mohammad Farrokhi Derakhshandeh Ghouchan

We give explicit formulas for resistance distance matrices and Moore-Penrose inverses of incidence and Laplacian matrices of ladder, circular ladder, and Möbius ladder graphs. As…

math.GR2019

Factorization graphs of finite groups

Mohammad Farrokhi Derakhshandeh Ghouchan, Ali Azimi

We introduce the factorization graph of a finite group and study its connectedness and forbidden structures. We characterize all finite groups with connected factorization graphs a…

math.CO2023

The maximum four point condition matrix of a tree

Ali Azimi, Rakesh Jana, Mukesh Kumar Nagar +1

The Four point condition (4PC henceforth) is a well known condition characterising distances in trees . Let be four vertices in $T…

math.CO2015

Self 2-distance graphs

Ali Azimi, Mohammad Farrokhi Derakhshandeh Ghouchan

All finite simple self -distance graphs with no -cycle, diamond, or triangles with a common vertex are determined. Utilizing these results, it is shown that there is no cubic…

math.AC2014

Isomorphisms between Jacobson graphs

Ali Azimi, Ahmad Erfanian, Mohammad Farrokhi Derakhshandeh Ghouchan

Let be a commutative ring with a non-zero identity and be its Jacobson graph. We show that if and are finite commutative rings, then $\mathfrak{J}_R\c…

math.CO2021

Steiner distance matrix of caterpillar graphs

Ali Azimi, R. B. Bapat, Shivani Goel

For a connected graph , the Steiner distance among a set of vertices is the minimum size among all the connected subgraphs of whose vertex set contains $…

cs.DB2013

Applying the Apriori algorithm for investigating the relationships between demographic characteristics of Iranian top 100 enterprises and the strcture of their commercial website

Ali Azimi, Azar Kaffashpour

This study was conducted with the main aim to investigate the relationships between demographic characteristics of companies and the facilities required for their commercial websit…

cs.RO2026

Before Parc Fermé: RL-Time Pruning for Efficient Embodied LLMs in Autonomous Driving

Luca Benfenati, Ali Azimi, Matteo Risso +3

Embodied Large Language Models (LLMs) are increasingly used as reasoning modules in robotic control pipelines to improve human-robot interaction, but their memory and generation la…