Box 28
Hamiltonian system (H=1⁄2(X.2+Y.2+X2+Y2)+X2Y)
Box 28
Variational principle for Hamiltonian systems and vanishing Henyey determinant, [1980s?]
Box 28
Duffing equation
Box 29
Duffing with driving
Box 29
Duffing equation: NR correction
Box 29
Duffing, van der Pol—high order approximation (rational approximation, [1980s?]
Box 29
Van der Pol oscillator, [1980s?]
Box 29
Van der Pol oscillator
Box 29
Hamilton-Jacobi equation
Box 29
Fourier-Pade (x..+x7=0), higher order correction
Box 29
Fourier-Pade equation
Box 29
Fourier Pade equation ( (x..+x3=0), higher order correction
Box 30
Fourier-Pade integration
Box 30
Pade: 2D: ordinary differential equations of higher order, 1D: quadratic, etc.
Box 30
Mathieu equation
Box 30
Mathieu equation: two-point approximation
Box 30
kdV equation with implicit function
Box 30
Liouville equation
Box 30
Liouville equation (Woods Hole), 1969
Box 30
Eckonal equation
Box 30
Rational approximation near w=0 (potential maximum)
Box 30
Rational-function orbits
Box 31
Rational approximation for a Hamiltonian system
Box 31
Rational approximation for non-linear ordinary differential equations
Box 31
"N/D"—rational approximation
Box 31
Discussion on the paper "Rational Approximations for a Hamiltonian System"
Box 31
Non-linear approximation: general discussions
Box 31
Non-linear approximation for ordinary differential equation
Box 31
Non-linear approximation for periodic orbits in a Hamiltonian System
Box 32
Non-linear oscillations
Box 32
Non-linear dynamics
Box 32
Singular point approximation—solution of D.E. at an assumed pole, [1980s?]
Box 32
Singularities and bifurcation
Box 32
(Equation) periodic solutions
Box 32
Bifurcation and vanishing of Henyey matrix and other difference equations
Box 32
"Implicit" form of solutions to ordinary difference equations
Box 32
Difference equations with noise
Box 32
Stretched coordinate systems
Box 32
Miscellaneous
Box 32
Talk on Non-linear mechanics (Fourier-Pade), New York University