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Understanding Geometric Algebra for Electromagnetic Theory

  • Introduction
  • A Quick Tour of Geometric Algebra
    • The Basic Rules of a Geometric Algebra
    • 3D Geometric Algebra
    • Developing the Rules
      • General Rules
      • 3D
      • The Geometric Interpretation of Inner and Outer Products
    • Comparison with Traditional 3D Tools 24
    • New Possibilities 24
    • Exercises
  • Applying the Abstraction
    • Space and Time
    • Electromagnetics
      • The Electromagnetic Field
      • Electric and Magnetic Dipoles
    • The Vector Derivative
    • The Integral Equations
    • The Role of the Dual
    • Exercises
  • Generalization
  • (3+1)D Electromagnetics
  • ╇ Review of (3+1)D
  • Introducing Spacetime
    • Background and Key Concepts
    • Time as a Vector
    • The Spacetime Basis Elements
      • Spatial and Temporal Vectors
    • Basic Operations
    • Velocity
    • Different Basis Vectors and Frames
    • Events and Histories
      • Events
      • Histories
      • Straight-Line Histories and Their Time Vectors
      • Arbitrary Histories
    • The Spacetime Form of ∇
    • Working with Vector Differentiation
    • Working without Basis Vectors
    • Classification of Spacetime Vectors and Bivectors
    • Exercises
  • Relating Spacetime to (3+1)D
  • Change of Basis Vectors
  • Further Spacetime Concepts
  • Application of the Spacetime Geometric Algebra to Basic Electromagnetics
  • The Electromagnetic Field of a Point Charge Undergoing Acceleration
  • Appendices
    • Axial versus True Vectors
    • Complex Numbers and the 2D Geometric Algebra
    • The Structure of Vector Spaces and Geometric Algebras
      • A Vector Space
      • A Geometric Algebra
    • Quaternions Compared
    • Evaluation of an Integral in Equation (5.14)
    • Formal Derivation of the Spacetime Vector Derivative