Uniformly valid asymptotic wave propagation based upon variational principles

Mathematics

• Asymptotic Theory 15%
• Caustic 59%
• Configuration Space 48%
• Eikonal Equation 20%
• Half line 26%
• Hamiltonian Systems 13%
• Helmholtz Equation 15%
• Liouville's theorem 18%
• Momentum 42%
• Phase Space 55%
• Projection 11%
• Strategy 10%
• Trajectory 11%
• Transport Equation 15%
• Valid 66%
• Variational Principle 86%
• Wave Propagation 96%
• Wavelength 17%

Engineering & Materials Science

• Geometry 18%
• Hamiltonians 35%
• Helmholtz equation 43%
• Momentum 81%
• Trajectories 20%
• Variational techniques 44%
• Wave propagation 94%
• Wavelength 26%

Physics & Astronomy

• alkalies 19%
• configurations 11%
• eikonal equation 10%
• geometry 3%
• Helmholtz equations 8%
• Liouville theorem 10%
• momentum 14%
• projection 5%
• rays 11%
• trajectories 5%
• variational principles 100%
• wave propagation 76%
• wavelengths 3%