Institutul de Matematică şi Informatică "Vladimir Andrunachievici"
Universitatea de Stat din MoldovaRO EN
Four-dimensional Ricci-flat space defined by the KP-equation.
Authors: Driuma Valeriu
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Abstract
Four-dimensional affinely connected Ricci-flat space depending of solutions of the Kadomtsev-Petviashvili equation is constructed. Conditions of metrizabilty of corresponding connection are investigated. Its properties are discussed.E-mail:
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Contents
- Properties of one-sided ideals of pseudonormed rings when taking the quotient rings.
- Exact solutions for a rotational flow of generalized second grade fluids through a circular cylinder.
- Mathematical models in regression credibility theory.
- Ore extensions over 2-primal Noetherian rings.
- The G(2,ℜ) -orbits of the homogeneous polynomial differential systems.
- Hopf bifurcations analysis of a three-dimensional nonlinear system.
- A numerical approximation of the free-surface heavy inviscid flow past a body.
- The sets of the classes ~Mp, k and their subsets.
- Queuing system evolution in phase merging scheme.
- About Division of d-Convex Simple Graphs in M-Prime Graphs.
- Continuity of the norm of a composition operator between weighted Banach spaces of holomorphic functions.
- Four-dimensional Ricci-flat space defined by the KP-equation.
- Differentially prime, quasi-prime and Δ-modules.
- Classification of GL(2,ℜ)-orbit's dimensions for the differential system with cubic nonlinearities.
- Professor Dmitrii Lozovanu - 60th anniversary.
