HERALD OF LENINGRAD UNIVERSITY, NO. 1, 1963: COLLECTION OF ARTICLES.
Abstract
Contents: Aleksandr Danilovich Aleksandrov; Possible extension of the idea of solution for linear and quasi-linear elliptic equations of the second order; Generators in ergodic theory; Stability of solution of Minkowski problem; Representation of a function of two variables by the difference of convex functions; Stability of solutions of equations of the elliptic type; Existence of closed convex polyhedrons with given curvatures of vertices in n-dimensional Euclidean and Lobachevskian spaces; Determination of a surface by supporting function; Double sums, connected with the zeros of the Dirichlet L-series; The maximum principle for one class of operators in Banach space; Formulas of summation; Propagation of elastic-plastic load wave in a rod of finite length; Small parameter method for hypersonic ideal gas flow around pointed bodies; Plane motion of vessel with the wind; Certain peculiarities of gas motion at hypersonic speeds; Selection of optimum parameters of vibrator of loop oscillograph; Virtual masses of an elliptic cylinder during motion in liquid. Limited by a flat wall or a free surface; Investigation of recombination spectrum N III of stars and nebulae; Expedition of astronomers to region of active volcanoes of Kamchatka.
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 27, 1967
- Accession Number
- AD0663914
Entities
Organizations
- National Air and Space Intelligence Center