Dominic Welsh Knihy

This textbook provides a comprehensive introduction to cryptography, covering fundamental concepts, techniques, and applications. It explores various encryption methods, key management, and the mathematical principles underlying secure communication. Designed for beginners, the text includes practical examples and exercises to reinforce learning. Additionally, it discusses the importance of cryptography in modern security systems and its role in protecting data integrity and confidentiality. Ideal for students and professionals seeking to understand the essential elements of cryptographic practices.

Focusing on the foundational aspects of probability and random processes, this book serves as an essential resource for first and second year mathematics undergraduates and Master's students in related disciplines. It provides a concise yet comprehensive overview, highlighting the significance of probability in various fields of study and its contemporary relevance in human endeavors.

A user-friendly introduction for mathematicians to some of the principal stochastic models near the interface of probability and physics.