Integrable geodesic flows on 2-torus: Formal solutions and variational principle

Mathematics

• Formal Solutions 100%
• Geodesic Flow 94%
• Variational Principle 77%
• Torus 64%
• Metric 35%
• Quasilinear System 33%
• Euler-Lagrange Equations 30%
• First Integral 28%
• Systems of Partial Differential Equations 27%
• Momentum 25%
• Small Parameter 25%
• Hamiltonian Systems 24%
• Meaning 24%
• Periodic Solution 21%
• Series 16%
• Polynomial 14%

Physics & Astronomy

• variational principles 89%
• Euler-Lagrange equation 36%
• linear systems 30%
• partial differential equations 26%
• polynomials 23%
• momentum 18%