Valery Covachev – författare
Visar alla böcker från författaren Valery Covachev. Handla med fri frakt och snabb leverans.
3 produkter
3 produkter
Inbunden, Engelska, 1992
1 458 kr
Tillfälligt slut
Presents essays from the Second Colloquium on Differential Equations, held in Bulgaria in 1991.
Del 24 - Series on Advances in Mathematics for Applied Sciences
Impulsive Differential Equations With A Small Parameter
Inbunden, Engelska, 1994
1 557 kr
Tillfälligt slut
This book is devoted to impulsive differential equations with a small parameter. It consists of three chapters. Chapter One serves as an introduction. In Chapter Two, regularly perturbed impulsive differential equations are considered. Modifications of the method of small parameter, the averaging method, and the method of integral manifolds are proposed. In Chapter Three, singularly perturbed differential equations are considered. A modification of the method of boundary functions is proposed, and asymptotic expansions along the powers of the small parameters of the solutions of the initial value problem, the periodic problem, and some boundary value problems are found. Numerous nonstandard applications to the theory of optimal control are made. The application of some other methods to impulsive singularly perturbed equations is illustrated, such as the numerical-analytical method for finding periodic solutions, the method of differential inequalities and the averaging method.The book is written clearly, strictly, and understandably. It is intended for mathematicians, physicists, chemists, biologists and economists, as well as for senior students of these specialities.
Inbunden, Engelska, 2001
1 651 kr
Tillfälligt slut
The subject of complex vector functional equations is a new area in the theory of functional equations. This monograph provides a systematic overview of the authors' recently obtained results concerning both linear and nonlinear complex vector functional equations, in all aspects of their utilization. It is intended for mathematicians, physicists and engineers who use functional equations in their investigations.