Insights & Education

Graph Theory Blog

Deep-dive articles, intuitive explanations, and real-world applications of Graph Theory and Software Engineering concepts.

Graph Algorithms Complexity
Computer Science & Mathematics

Graph Algorithms Complexity: The Ultimate Guide

A comprehensive deep dive into the time and space complexity of all major graph algorithms. Learn Big O notation for BFS, DFS, Dijkstra, A*, Kruskal, and more.

25 Min Read Read Article →
BFS vs DFS graph traversal
Graph Traversal

BFS vs DFS: The Ultimate Guide to Graph Traversal

A comprehensive comparison between Breadth-First Search and Depth-First Search. Learn when to use each algorithm with real-world examples.

15 Min Read Read Article →
Shortest Path Algorithms
Pathfinding

Understanding Shortest Path Algorithms

Master Dijkstra, Bellman-Ford, and Floyd-Warshall. Understand the nuances of finding the fastest route in complex networks.

20 Min Read Read Article →
The Magic of Minimum Spanning Trees
Network Design

The Magic of Minimum Spanning Trees

Dive into Kruskal's and Prim's algorithms. Learn how to connect networks with the absolute minimum cost.

18 Min Read Read Article →
Real-World Applications of Graph Theory
Real World

Top 5 Real-World Applications of Graph Theory

From Google Maps to Social Networks and DNA sequencing. Discover how graph theory powers the modern world.

12 Min Read Read Article →
Graph Algorithms for Coding Interviews
Career

Essential Graph Algorithms for Coding Interviews

Crack the technical interview. A curated guide to the graph theory concepts you absolutely must know for FAANG interviews.

25 Min Read Read Article →
The Traveling Salesperson Problem
NP-Hard Problems

The Traveling Salesperson Problem (TSP)

Explore one of computer science's most famous unsolved problems. Learn about heuristics, exact algorithms, and its vast applications.

20 Min Read Read Article →
The Vehicle Routing Problem
Logistics

The Vehicle Routing Problem (VRP)

How Amazon and FedEx deliver packages. A deep dive into the algorithms powering modern logistics and supply chains.

22 Min Read Read Article →
A* Search Algorithm pathfinding
Artificial Intelligence

A* Search Algorithm: Pathfinding in AI

The gold standard for pathfinding in video games and robotics. Learn how heuristics make A* vastly superior to standard Dijkstra.

18 Min Read Read Article →
The Graph Coloring Problem
Scheduling & Allocation

The Graph Coloring Problem: From Maps to Sudoku

How do you schedule exams without conflicts? Discover how coloring graphs solves complex allocation and scheduling problems.

16 Min Read Read Article →
Software Engineering Concepts
Systems Design

Practical Software Engineering Concepts

See how Graph Theory underpins build systems, garbage collection, version control (Git), and database deadlocks.

25 Min Read Read Article →
Network Flow and Max-Flow Min-Cut
Advanced Algorithms

Network Flow and The Max-Flow Min-Cut Theorem

Understand Ford-Fulkerson, Edmonds-Karp, residual graphs, and the beautiful symmetry between finding max flow and minimum cuts.

18 Min Read Read Article →
The History of Graph Theory
Mathematics History

The History of Graph Theory

From Königsberg to Neural Networks. Discover the fascinating history of graph theory, from Euler's Seven Bridges to modern network science.

22 Min Read Read Article →
Graph Theory Interview Questions
Career & Interview Prep

Top Graph Theory Interview Questions & Solutions

Master the technical interview with our guide to the most common graph theory questions, from Number of Islands to Topological Sort.

25 Min Read Read Article →
Eulerian Paths and Circuits
Classic Theory

Eulerian Paths and Circuits

Can you cross every bridge exactly once? Euler's 1736 answer launched graph theory. Learn the odd-degree rule plus Fleury's and Hierholzer's algorithms.

9 Min Read Read Article →
Rooted Trees in Graph Theory
Data Structures

Rooted Trees in Graph Theory

Root, parent, child, leaf, depth and height, plus binary trees, BSTs and DFS/BFS traversal. The hierarchy behind file systems and the DOM.

10 Min Read Read Article →
Spectral Graph Theory in Machine Learning
Machine Learning

Spectral Graph Theory in Machine Learning

The graph Laplacian, eigenvalues and the Fiedler vector, spectral clustering, Laplacian eigenmaps and spectral GNNs (ChebNet, GCN), the linear algebra behind modern ML on graphs.

12 Min Read Read Article →
Graph Neural Networks
Machine Learning

Graph Neural Networks: A Practical Introduction

Message passing and neighbourhood aggregation, how a GNN layer works, the GCN, GraphSAGE, GAT and GIN architectures, the three prediction tasks, and real-world applications.

12 Min Read Read Article →
What Is Operations Research
Decision Science

What Is Operations Research? Methods & Applications

The science of better decisions. Its wartime history, core methods like linear programming and simulation, and how OR optimizes logistics, airlines, healthcare, and energy.

16 Min Read Read Article →