Symmetry properties of a generalized Korteweg-de Vries equation and some explicit solutions.
Determination of surfaces in three-dimensional Minkowski and Euclidean spaces based on solutions of the sinh-Laplace equation.
Integrable equations and their evolutions based on intrinsic geometry of Riemann spaces.
Quaternionic representation of the moving frame for surfaces in Euclidean three-space and Lax pair.
Bäcklund transformations for several cases of a type of generalized KdV equation.
A function related to a Lagrange-Bürmann series
An infinite series which arises in certain applications of the Lagrange-Bürmann formula to exponential functions is investigated. Several very exact estimates for the Laplace transform and higher moments of this function are developed.
A function related to the central limit theorem
A number of properties of a function which originally appeared in a problem proposed by Ramanujan are presented. Several equivalent representations of the function are derived. These can be used to evaluate the function. A new derivation of an expansion in inverse powers of the argument of the function is obtained, as well as rational expressions for higher order coefficients.
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