Geodesic

Tome 122 (2000) no. 1

Sommaire

Foreword
p. 3-4
On the relation between the continuous and discrete Painlev\'e equations
p. 5-22
An elementary approach to the polynomial $\tau$-functions of the KP hierarchy
p. 23-36
A new construction of recursion operators for systems of the hydrodynamic type
p. 37-49
An analogue of the Moutard transformation for the Goursat equation $\theta_{xy}=2\sqrt {\lambda(x,y)\theta_x\theta_y}$
p. 50-57
Existence of a global solution of the Whitham equations
p. 58-71
Nonlinear fourth-order differential equations with solutions in the form of transcendents
p. 72-87
Integrable ordinary differential equations on free associative algebras
p. 88-101
B\"acklund transformations for hyperbolic surfaces in $E^3$ via Weingarten congruences
p. 102-117
Asymptotic approximations for a new eigenvalue in linear problems without a threshold
p. 118-127
Initial boundary value problems for the nonlinear Schr\"odinger equation
p. 128-143
Factoring linear partial differential operators and the Darboux method for integrating nonlinear partial differential equations
p. 144-160