Ioan I. Vrabie – författare

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13 produkter

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13 produkter

Viability, Invariance and Applications
AvIoan I. Vrabie,Mihai Neculam. fl.
E-bok
PDF, Engelska, 2007
1 515 kr
Läs direkt efter köp
The book is an almost self-contained presentation of the most important concepts and results in viability and invariance. The viability of a set K with respect to a given function (or multi-function) F, defined on it, describes the property that, for each initial data in K, the differential equation (or inclusion) driven by that function or multi-function) to have at least one solution. The invariance of a set K with respect to a function (or multi-function) F, defined on a larger set D, is that property which says that each solution of the differential equation (or inclusion) driven by F and issuing in K remains in K, at least for a short time.The book includes the most important necessary and sufficient conditions for viability starting with Nagumo''s Viability Theorem for ordinary differential equations with continuous right-hand sides and continuing with the corresponding extensions either to differential inclusions or to semilinear or even fully nonlinear evolution equations, systems and inclusions. In the latter (i.e. multi-valued) cases, the results (based on two completely new tangency concepts), all due to the authors, are original and extend significantly, in several directions, their well-known classical counterparts.- New concepts for multi-functions as the classical tangent vectors for functions- Provides the very general and necessary conditions for viability in the case of differential inclusions, semilinear and fully nonlinear evolution inclusions- Clarifying examples, illustrations and numerous problems, completely and carefully solved- Illustrates the applications from theory into practice- Very clear and elegant style
Co-Semigroups and Applications
AvIoan I. Vrabie
E-bok
PDF, Engelska, 2003
2 232 kr
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The book contains a unitary and systematic presentation of both classical and very recent parts of a fundamental branch of functional analysis: linear semigroup theory with main emphasis on examples and applications. There are several specialized, but quite interesting, topics which didn''t find their place into a monograph till now, mainly because they are very new. So, the book, although containing the main parts of the classical theory of Co-semigroups, as the Hille-Yosida theory, includes also several very new results, as for instance those referring to various classes of semigroups such as equicontinuous, compact, differentiable, or analytic, as well as to some nonstandard types of partial differential equations, i.e. elliptic and parabolic systems with dynamic boundary conditions, and linear or semilinear differential equations with distributed (time, spatial) measures. Moreover, some finite-dimensional-like methods for certain semilinear pseudo-parabolic, or hyperbolic equations are also disscussed. Among the most interesting applications covered are not only the standard ones concerning the Laplace equation subject to either Dirichlet, or Neumann boundary conditions, or the Wave, or Klein-Gordon equations, but also those referring to the Maxwell equations, the equations of Linear Thermoelasticity, the equations of Linear Viscoelasticity, to list only a few. Moreover, each chapter contains a set of various problems, all of them completely solved and explained in a special section at the end of the book.The book is primarily addressed to graduate students and researchers in the field, but it would be of interest for both physicists and engineers. It should be emphasised that it is almost self-contained, requiring only a basic course in Functional Analysis and Partial Differential Equations.
Del 191 - North-Holland Mathematics Studies
C<INF>o</INF>-Semigroups and Applications
AvIoan I. Vrabie
Inbunden, Engelska, 2003
2 292 kr
Skickas inom 5-8 vardagar
The book contains a unitary and systematic presentation of both classical and very recent parts of a fundamental branch of functional analysis: linear semigroup theory with main emphasis on examples and applications. There are several specialized, but quite interesting, topics which didn't find their place into a monograph till now, mainly because they are very new. So, the book, although containing the main parts of the classical theory of Co-semigroups, as the Hille-Yosida theory, includes also several very new results, as for instance those referring to various classes of semigroups such as equicontinuous, compact, differentiable, or analytic, as well as to some nonstandard types of partial differential equations, i.e. elliptic and parabolic systems with dynamic boundary conditions, and linear or semilinear differential equations with distributed (time, spatial) measures. Moreover, some finite-dimensional-like methods for certain semilinear pseudo-parabolic, or hyperbolic equations are also disscussed. Among the most interesting applications covered are not only the standard ones concerning the Laplace equation subject to either Dirichlet, or Neumann boundary conditions, or the Wave, or Klein-Gordon equations, but also those referring to the Maxwell equations, the equations of Linear Thermoelasticity, the equations of Linear Viscoelasticity, to list only a few. Moreover, each chapter contains a set of various problems, all of them completely solved and explained in a special section at the end of the book.
The book is primarily addressed to graduate students and researchers in the field, but it would be of interest for both physicists and engineers. It should be emphasised that it is almost self-contained, requiring only a basic course in Functional Analysis and Partial Differential Equations.
Del 207 - North-Holland Mathematics Studies
Viability, Invariance and Applications
AvOvidiu Carja,Mihai Neculam. fl.
Inbunden, Engelska, 2007
1 539 kr
Skickas inom 5-8 vardagar
The book is an almost self-contained presentation of the most important concepts and results in viability and invariance. The viability of a set K with respect to a given function (or multi-function) F, defined on it, describes the property that, for each initial data in K, the differential equation (or inclusion) driven by that function or multi-function) to have at least one solution. The invariance of a set K with respect to a function (or multi-function) F, defined on a larger set D, is that property which says that each solution of the differential equation (or inclusion) driven by F and issuing in K remains in K, at least for a short time.The book includes the most important necessary and sufficient conditions for viability starting with Nagumo's Viability Theorem for ordinary differential equations with continuous right-hand sides and continuing with the corresponding extensions either to differential inclusions or to semilinear or even fully nonlinear evolution equations, systems and inclusions. In the latter (i.e. multi-valued) cases, the results (based on two completely new tangency concepts), all due to the authors, are original and extend significantly, in several directions, their well-known classical counterparts. New concepts for multi-functions as the classical tangent vectors for functions Provides the very general and necessary conditions for viability in the case of differential inclusions, semilinear and fully nonlinear evolution inclusions Clarifying examples, illustrations and numerous problems, completely and carefully solved Illustrates the applications from theory into practice Very clear and elegant style
Delay Differential Evolutions Subjected to Nonlocal Initial Conditions
AvIoan I. Vrabie,Daniela Rosum. fl.
E-bok
Engelska, 2018
2 967 kr
Läs direkt efter köp
Filling a gap in the literature, Delay Differential Evolutions Subjected to Nonlocal Initial Conditions reveals important results on ordinary differential equations (ODEs) and partial differential equations (PDEs). It presents very recent results relating to the existence, boundedness, regularity, and asymptotic behavior of global solutions for differential equations and inclusions, with or without delay, subjected to nonlocal implicit initial conditions.
After preliminaries on nonlinear evolution equations governed by dissipative operators, the book gives a thorough study of the existence, uniqueness, and asymptotic behavior of global bounded solutions for differential equations with delay and local initial conditions. It then focuses on two important nonlocal cases: autonomous and quasi-autonomous. The authors next discuss sufficient conditions for the existence of almost periodic solutions, describe evolution systems with delay and nonlocal initial conditions, examine delay evolution inclusions, and extend some results to the multivalued case of reaction-diffusion systems. The book concludes with results on viability for nonlocal evolution inclusions.
Delay Differential Evolutions Subjected to Nonlocal Initial Conditions
AvMonica-Dana Burlică,Mihai Neculam. fl.
Inbunden, Engelska, 2016
2 693 kr
Skickas inom 5-8 vardagar
Filling a gap in the literature, Delay Differential Evolutions Subjected to Nonlocal Initial Conditions reveals important results on ordinary differential equations (ODEs) and partial differential equations (PDEs). It presents very recent results relating to the existence, boundedness, regularity, and asymptotic behavior of global solutions for differential equations and inclusions, with or without delay, subjected to nonlocal implicit initial conditions.After preliminaries on nonlinear evolution equations governed by dissipative operators, the book gives a thorough study of the existence, uniqueness, and asymptotic behavior of global bounded solutions for differential equations with delay and local initial conditions. It then focuses on two important nonlocal cases: autonomous and quasi-autonomous. The authors next discuss sufficient conditions for the existence of almost periodic solutions, describe evolution systems with delay and nonlocal initial conditions, examine delay evolution inclusions, and extend some results to the multivalued case of reaction-diffusion systems. The book concludes with results on viability for nonlocal evolution inclusions.
Delay Differential Evolutions Subjected to Nonlocal Initial Conditions
AvIoan I. Vrabie,Daniela Rosum. fl.
E-bok
PDF, Engelska, 2018
2 998 kr
Läs direkt efter köp
Filling a gap in the literature, Delay Differential Evolutions Subjected to Nonlocal Initial Conditions reveals important results on ordinary differential equations (ODEs) and partial differential equations (PDEs). It presents very recent results relating to the existence, boundedness, regularity, and asymptotic behavior of global solutions for differential equations and inclusions, with or without delay, subjected to nonlocal implicit initial conditions.
After preliminaries on nonlinear evolution equations governed by dissipative operators, the book gives a thorough study of the existence, uniqueness, and asymptotic behavior of global bounded solutions for differential equations with delay and local initial conditions. It then focuses on two important nonlocal cases: autonomous and quasi-autonomous. The authors next discuss sufficient conditions for the existence of almost periodic solutions, describe evolution systems with delay and nonlocal initial conditions, examine delay evolution inclusions, and extend some results to the multivalued case of reaction-diffusion systems. The book concludes with results on viability for nonlocal evolution inclusions.
NEW TRENDS IN DIFFERENTIAL EQUATIONS, CONTROL THEORY AND OPTIMIZATION - PROCEEDINGS OF THE 8TH CONGRESS OF ROMANIAN MATHEMATICIANS
AvBarbu Viorel,Viorel Barbum. fl.
Inbunden, Engelska, 2016
1 976 kr
Skickas inom 5-8 vardagar
The volume contains a collection of original papers and surveys in various areas of Differential Equations, Control Theory and Optimization written by well-known specialists and is thus useful for PhD students and researchers in applied mathematics.
DIFFERENTIAL EQUATIONS: AN INTRODUCTION TO BASIC CONCEPTS, RESULTS AND APPLICATIONS (SECOND EDITION)
AvIoan I Vrabie
Inbunden, Engelska, 2011
1 179 kr
Skickas inom 5-8 vardagar
This book presents, in a unitary frame and from a new perspective, the main concepts and results of one of the most fascinating branches of modern mathematics, namely differential equations, and offers the reader another point of view concerning a possible way to approach the problems of existence, uniqueness, approximation, and continuation of the solutions to a Cauchy problem. In addition, it contains simple introductions to some topics which are not usually included in classical textbooks: the exponential formula, conservation laws, generalized solutions, Caratheodory solutions, differential inclusions, variational inequalities, viability, invariance, gradient systems.In this new edition we have corrected several small errors and added the following new topics: Volterra Integral Equations and Elements of Calculus of Variations. Some problems and exercises, referring to these two new topics are also included. The bibliography has been updated and expanded.
DIFFERENTIAL EQUATIONS: AN INTRODUCTION TO BASIC CONCEPTS, RESULTS AND APPLICATIONS (THIRD EDITION)
AvIoan I Vrabie
Inbunden, Engelska, 2016
1 306 kr
Skickas inom 5-8 vardagar
This book presents, in a unitary frame and from a new perspective, the main concepts and results of one of the most fascinating branches of modern mathematics, namely differential equations, and offers the reader another point of view concerning a possible way to approach the problems of existence, uniqueness, approximation, and continuation of the solutions to a Cauchy problem. In addition, it contains simple introductions to some topics which are not usually included in classical textbooks: the exponential formula, conservation laws, generalized solutions, Caratheodory solutions, differential inclusions, variational inequalities, viability, invariance, and gradient systems.In this new edition, some typos have been corrected and two new topics have been added: Delay differential equations and differential equations subjected to nonlocal initial conditions. The bibliography has also been updated and expanded.
DIFFERENTIAL EQUATIONS: AN INTRODUCTION TO BASIC CONCEPTS, RESULTS AND APPLICATIONS (THIRD EDITION)
AvIoan I Vrabie
Häftad, Engelska, 2016
605 kr
Skickas inom 5-8 vardagar
This book presents, in a unitary frame and from a new perspective, the main concepts and results of one of the most fascinating branches of modern mathematics, namely differential equations, and offers the reader another point of view concerning a possible way to approach the problems of existence, uniqueness, approximation, and continuation of the solutions to a Cauchy problem. In addition, it contains simple introductions to some topics which are not usually included in classical textbooks: the exponential formula, conservation laws, generalized solutions, Caratheodory solutions, differential inclusions, variational inequalities, viability, invariance, and gradient systems.In this new edition, some typos have been corrected and two new topics have been added: Delay differential equations and differential equations subjected to nonlocal initial conditions. The bibliography has also been updated and expanded.
DIFFERENTIAL EQUATIONS: AN INTRODUCTION TO BASIC CONCEPTS, RESULTS AND APPLICATIONS
AvIoan I Vrabie
Inbunden, Engelska, 2004
1 665 kr
Tillfälligt slut
This book presents, in a unitary frame and from a new perspective, the main concepts and results of one of the most fascinating branches of modern mathematics, namely differential equations, and offers the reader another point of view concerning a possible way to approach the problems of existence, uniqueness, approximation, and continuation of the solutions to a Cauchy problem. In addition, it contains simple introductions to some topics which are not usually included in classical textbooks: the exponential formula, conservation laws, generalized solutions, Caratheodory solutions, differential inclusions, variational inequalities, viability, invariance, gradient systems.
APPLIED ANALYSIS AND DIFFERENTIAL EQUATIONS
AvCARJA OVIDIU,Ovidiu Cârjǎm. fl.
Inbunden, Engelska, 2007
2 587 kr
Tillfälligt slut
This volume contains refereed research articles written by experts in the field of applied analysis, differential equations and related topics. Well-known leading mathematicians worldwide and prominent young scientists cover a diverse range of topics, including the most exciting recent developments.A broad range of topics of recent interest are treated: existence, uniqueness, viability, asymptotic stability, viscosity solutions, controllability and numerical analysis for ODE, PDE and stochastic equations. The scope of the book is wide, ranging from pure mathematics to various applied fields such as classical mechanics, biomedicine, and population dynamics.

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Ioan I. Vrabie – författare

Viability, Invariance and Applications

Co-Semigroups and Applications

C<INF>o</INF>-Semigroups and Applications

Viability, Invariance and Applications

Delay Differential Evolutions Subjected to Nonlocal Initial Conditions

Delay Differential Evolutions Subjected to Nonlocal Initial Conditions

Delay Differential Evolutions Subjected to Nonlocal Initial Conditions

NEW TRENDS IN DIFFERENTIAL EQUATIONS, CONTROL THEORY AND OPTIMIZATION - PROCEEDINGS OF THE 8TH CONGRESS OF ROMANIAN MATHEMATICIANS

DIFFERENTIAL EQUATIONS: AN INTRODUCTION TO BASIC CONCEPTS, RESULTS AND APPLICATIONS (SECOND EDITION)

DIFFERENTIAL EQUATIONS: AN INTRODUCTION TO BASIC CONCEPTS, RESULTS AND APPLICATIONS (THIRD EDITION)

DIFFERENTIAL EQUATIONS: AN INTRODUCTION TO BASIC CONCEPTS, RESULTS AND APPLICATIONS (THIRD EDITION)

DIFFERENTIAL EQUATIONS: AN INTRODUCTION TO BASIC CONCEPTS, RESULTS AND APPLICATIONS

APPLIED ANALYSIS AND DIFFERENTIAL EQUATIONS

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