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20242026
most citedIrregularity and Topological Indices in Fibonacci Word Trees and Modified Fibonacci Word Index

1 citations · 1 across the 23 of their papers we have counts for

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23 papers

math.GM2026

-Irregularity of Trees with Prescribed Maximum Degree: A Majorization--Duality--Stability Framework

Jasem Hamoud, Duaa Abdullah

Trees of maximum -irregularity subject to a prescribed maximum degree have been characterized for and , with the extension to arbitrary . This paper…

math.HO2025

The Orientalists' Stance Towards Arabic Sciences (Especially Arabic Astronomy)

Duaa Abdullah, Jasem Hamoud

In this paper, we highlight the influence of Arab/Islamic civilization in the field of the history of astronomy on European historians. We also aim to elucidate the stance of Orien…

econ.TH2025

The Effect of Using Popular Mathematical Puzzles on The Mathematical Thinking of Syrian Schoolchildren

Duaa Abdullah, Jasem Hamoud

In this paper we provide a good overview of the problems and the background of mathematics education in Syrian schools. We aimed to study the effect of using popular mathematical p…

econ.TH2025

The Role of Mathematical Folk Puzzles in Developing mathematical Thinking and Problem-Solving Skills

Duaa Abdullah, Jasem Hamoud

This paper covers a variety of mathematical folk puzzles, including geometric (Tangrams, dissection puzzles), logic, algebraic, probability (Monty Hall Problem, Birthday Paradox),…

math.CO2025

Density Characterization with The Upper Bound of Density of Fibonacci Word

Duaa Abdullah, Jasem Hamoud

This paper investigates the natural density and structural relationships within Fibonacci words, the density of a Fibonacci word is where deno…

math.CO2025

Closed-Form Analysis and Extremal Bounds of Albertson and Sigma Indices in Trees with Prescribed Degree Sequences

Jasem Hamoud, Alexey Belov Yakovlevich, Muaadh Almahalebi +1

This study explores the irregularity properties of trees with prescribed degree sequences by analyzing two prominent topological indices: the Albertson index and the sigma index. W…

math.CO2025

Optimal Behaviour in Extremal Bounds for -Irregularity

Jasem Hamoud, Duaa Abdullah

In this paper, we establishe the extremal bounds of the topological indices -- Sigma index -- focusing on analyzing the sharp upper bounds and the lower bounds of the Sigma index,…

math.CO2025

Extremal Bounds on the Sigma and Albertson Indices for Non-Decreasing Degree Sequences

Jasem Hamoud, Duaa Abdullah

We establish sharp extremal bounds on the Albertson and Sigma irregularity indices for trees with prescribed degree sequences, with emphasis on caterpillar trees as key extremal co…

math.CO2025

The Exponential Hyper-Zagreb Indices and Structural Properties of Trees and Bipartite Graphs

Jasem Hamoud

In this paper, we investigate the structural properties of trees and bipartite graphs through the lens of topological indices and combinatorial graph theory. We focus on the First…

math.CO2025

Bounds of Trees with Degree Sequence-Based Topological Indices on Specialized Graph Classes

Jasem Hamoud, Duaa Abdullah

In this paper, the investigates Adriatic indices, specifically the sum lordeg index where it defined as and the variable sum ex…

math.CO2025

The Density of Zero and One in Fibonacci Word for Subwords and Their Palindromes

Duaa Abdullah, Jasem Hamoud

This paper studies the density of zero and one in subwords of the Fibonacci word with lengths less than thirty and compares them to the densities of their corresponding palindromes…

math.CO2025

On Topological Indices in Trees: Fibonacci Degree Sequences and Bounds

Jasem Hamoud, Alexei Belov-Kanel, Duaa Abdullah

In this paper, we have studied bounds based on topological indicators, from which we selected Albertson index and the Sigma index . The Sigma index was defined th…

math.CO2025

Degree Sequence of Albertson and -Indices on Trees of Order

Jasem Hamoud, Artem Kornosov

In this paper, we presented a study of topological indices on trees, where we show a relationship with irregularity of Albertson index and minimum, maximum degrees of graph $…

math.CO2025

Bounds on Trees with Topological Indices Among Degree Sequence

Jasem Hamoud, Alexei Belov-Kanel, Duaa Abdullah

In this paper, we investigate The relationship between the Albertson index and the first Zagreb index for trees. For a tree with vertices and edges, we pr…

math.CO2025

Novel Constructions of Words with Strong Avoidance Properties and their Combinatorial Analysis

Duaa Abdullah, Jasem Hamoud

This paper begins with a comprehensive overview of combinatorics on words and symbolic dynamics, covering their historical origins, fundamental concepts, and interconnections. Buil…

math.CO2025

Topological Indices Among Strong Support Vertex

Jasem Hamoud, Duaa Abdullah

In this paper, we provide the irregularity properties of trees with strong support vertex by analyzing two prominent topological indices: the Albertson index and the Sigma index. W…

math.CO2025★ 1 cited

Irregularity and Topological Indices in Fibonacci Word Trees and Modified Fibonacci Word Index

Jasem Hamoud, Duaa Abdullah

This paper introduces the concept of the Fibonacci Word Index , a novel topological index derived from the Albertson index, applied to trees constructed from Fi…

math.CO2025

Generalized Natural Density $\DF(\mathfrak{F}_n)$ of Fibonacci Word

Jasem Hamoud, Duaa Abdullah

This paper explores profound generalizations of the Fibonacci sequence, delving into random Fibonacci sequences, -Fibonacci words, and their combinatorial properties. We establi…

math.CO2025

Improvement Ergodic Theory For The Infinite Word on Fibonacci Density

Jasem Hamoud, Duaa Abdullah

The paper explores combinatorial properties of Fibonacci words and their generalizations within the framework of combinatorics on words. These infinite sequences, measures the dive…

math.CO2025

Dynamic and Programmatic Analysis of Fibonacci Word Density

Duaa Abdullah, Jasem Hamoud

Fibonacci word is the archetype of the Sturmian word, and it is one of the most studied of combinatorics on words. We studied the properties of the Fibonacci word and found its den…

math.CO2025

Topological Indices With Degree Sequence of Tree

Jasem Hamoud, Duaa Abdullah

In this paper, we refer to a asymptotic degree sequence as . The examination of topological indices on trees gives us a general overview through bo…

math.CO2025

Regularities of Typical Sigma Index on Caterpillar Trees of Pendent Vertices

Jasem Hamoud, Duaa Abdullah

In this paper, topological indices play a significant role in the analysis of caterpillar trees, especially due to their applications in chemical graph theory. We presented a study…

math.GM2024

Sigma index in Trees with Given Degree Sequences

Jasem Hamoud, Artem Kurnosov

The sigma index in graph theory refers to a measure of the degree differences between vertices in a graph. The goal is to determine the graphs that have the maximum sigma index wit…