Related Experiment Video
Updated: Jun 25, 2025

05:39
Generating Strictly Controlled Stimuli for Figure Recognition Experiments
Published on: March 18, 2019
5.2K
A graph-theoretic approach to ring analysis: Dominant metric dimensions in zero-divisor graphs
Nasir Ali1, Hafiz Muhammad Afzal Siddiqui1, Muhammad Bilal Riaz2,3
1Department of Mathematics, COMSATS University Islamabad, Lahore Campus, Pakistan.
Heliyon
|May 30, 2024
Summary
This study explores dominant metric dimensions in zero divisor graphs (ZD-graphs) of commutative rings. Researchers established bounds for these dimensions, revealing structural insights into different ring types.
Area of Science:
- Abstract Algebra
- Graph Theory
- Commutative Ring Theory
Background:
- Zero divisor graphs (ZD-graphs) visually represent algebraic structures of rings.
- Understanding metric dimensions in ZD-graphs is crucial for analyzing ring properties.
Purpose of the Study:
- To investigate and establish general bounds for the dominant metric dimension (Ddim) of ZD-graphs.
- To analyze the structural properties of ZD-graphs for specific commutative rings.
Main Methods:
- Construction of ZD-graphs for finite commutative rings with unity.
- Examination of ZD-graphs for specific rings: Gaussian integers modulo n, integers modulo n, and quotient polynomial rings.
- Derivation of bounds for Ddim based on graph properties.
Main Results:
- Established general bounds for the dominant metric dimension of ZD-graphs.
- Identified structural similarities and differences among rings with identical metric dimensions.
- Presented a general result linking Ddim to maximum degree, girth, clique number, and diameter.
Conclusions:
- The study provides a framework for analyzing commutative rings via their ZD-graphs.
- Findings contribute to understanding the relationship between algebraic properties and graph-theoretic invariants.
- Results advance theoretical knowledge in abstract algebra and graph theory.
Related Concept Videos
Vector Algebra: Graphical Method
12.1K
Vectors can be multiplied by scalars, added to other vectors, or subtracted from other vectors. The vector sum of two (or more) vectors is called the resultant vector or, for short, the resultant.
We use the laws of geometry to construct resultant vectors, followed by trigonometry to find vector magnitudes and directions. For a geometric construction of the sum of two vectors in a plane, we follow the parallelogram rule. Suppose two vectors are at arbitrary positions. Translate either one of...
We use the laws of geometry to construct resultant vectors, followed by trigonometry to find vector magnitudes and directions. For a geometric construction of the sum of two vectors in a plane, we follow the parallelogram rule. Suppose two vectors are at arbitrary positions. Translate either one of...
12.1K
Routh-Hurwitz Criterion I
228
Consider an electrical power grid, where stability is essential to prevent blackouts. The Routh-Hurwitz criterion is a valuable tool for assessing system stability under varying load conditions or faults. By analyzing the closed-loop transfer function, the Routh-Hurwitz criterion helps determine whether the system remains stable.
To apply the Routh-Hurwitz criterion, a Routh table is constructed. The table's rows are labeled with powers of the complex frequency variable s, starting from the...
To apply the Routh-Hurwitz criterion, a Routh table is constructed. The table's rows are labeled with powers of the complex frequency variable s, starting from the...
228
Castigliano's Theorem
388
Castigliano's theorem analyzes displacements and rotations in elastic structures. It relates the derivative of elastic strain energy to the applied forces or moments, allowing for the calculation of deformations. The theorem states that the partial derivative of the total strain energy of a system with respect to a specific load results in the displacement at the point where the load is applied. This principle applies to both forces and moments.
388
Routh-Hurwitz Criterion II
225
In the application of the Routh-Hurwitz criterion, two specific scenarios can arise that complicate stability analysis.
The first scenario occurs when a singular zero appears in the first column of the Routh table. This situation creates a division by zero issues. To resolve this, a small positive or negative number, denoted as epsilon (∈), is substituted for the zero. The stability analysis proceeds by assuming a sign for ∈. If ∈ is positive, any sign change in the first...
The first scenario occurs when a singular zero appears in the first column of the Routh table. This situation creates a division by zero issues. To resolve this, a small positive or negative number, denoted as epsilon (∈), is substituted for the zero. The stability analysis proceeds by assuming a sign for ∈. If ∈ is positive, any sign change in the first...
225
SFG Algebra
116
In Signal Flow Graph (SFG) algebra, the value a node represents is determined by the sum of all signals entering that node. This summed value is then transmitted through every branch leaving the node, making the SFG a powerful tool for visualizing and analyzing control systems.
Each node in an SFG corresponds to a variable, and the interactions between nodes are represented by branches with associated gains. When multiple branches lead into a node, the value at that node is the sum of the...
Each node in an SFG corresponds to a variable, and the interactions between nodes are represented by branches with associated gains. When multiple branches lead into a node, the value at that node is the sum of the...
116
Moment-Area Theorems
253
The Moment-Area Theorem is crucial in structural engineering for analyzing beam bending, particularly in applications like building floor supports. This theorem utilizes the geometric properties of the elastic curve, which depicts how a beam deforms under load, to simplify the calculations of deflections and slopes.
The theorem is divided into two parts. The first part connects the angle between tangents at any two points on the beam's elastic curve to the area under a curve derived by...
The theorem is divided into two parts. The first part connects the angle between tangents at any two points on the beam's elastic curve to the area under a curve derived by...
253

