This book brings together the essential ideas and methods behind applications of variational theory in theoretical physics and chemistry. The emphasis is on und

Volume 1 of the 5-volume Quantum Nanochemistry set presents an overall perspective of nuclear, atomic, molecular, and solids structures, and the observability a

An Introduction to Lagrangian Mechanics begins with a proper historical perspective on the Lagrangian method by presenting Fermat's Principle of Least Time (as

This book reflects the strong connection between calculus of variations and the applications for which variational methods form the foundation.