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1000 tulosta hakusanalla Peter P. Nicholson

Nonlinear Wave Equations Perturbed by Viscous Terms

Nonlinear Wave Equations Perturbed by Viscous Terms

Petr P. Mosolov; Viktor P. Maslov

De Gruyter
2000
sidottu
The aim of the Expositions is to present new and important developments in pure and applied mathematics. Well established in the community over more than two decades, the series offers a large library of mathematical works, including several important classics. The volumes supply thorough and detailed expositions of the methods and ideas essential to the topics in question. In addition, they convey their relationships to other parts of mathematics. The series is addressed to advanced readers interested in a thorough study of the subject. Editorial Board Lev Birbrair, Universidade Federal do Ceará, Fortaleza, BrasilWalter D. Neumann, Columbia University, New York, USAMarkus J. Pflaum, University of Colorado, Boulder, USADierk Schleicher, Aix-Marseille Université, FranceKatrin Wendland, Trinity College Dublin, Dublin, Ireland Honorary Editor Victor P. Maslov, Russian Academy of Sciences, Moscow, Russia Titles in planning include Yuri A. Bahturin, Identical Relations in Lie Algebras (2019)Yakov G. Berkovich, Lev G. Kazarin, and Emmanuel M. Zhmud', Characters of Finite Groups, Volume 2 (2019)Jorge Herbert Soares de Lira, Variational Problems for Hypersurfaces in Riemannian Manifolds (2019)Volker Mayer, Mariusz Urbanski, and Anna Zdunik, Random and Conformal Dynamical Systems (2021)Ioannis Diamantis, Boštjan Gabrovšek, Sofia Lambropoulou, and Maciej Mroczkowski, Knot Theory of Lens Spaces (2021)
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Mechanical Systems, Classical Models

Mechanical Systems, Classical Models

Petre P. Teodorescu

Springer
2009
sidottu
All phenomena in nature are characterized by motion. Mechanics deals with the objective laws of mechanical motion of bodies, the simplest form of motion. In the study of a science of nature, mathematics plays an important rôle. Mechanics is the first science of nature which has been expressed in terms of mathematics, by considering various mathematical models, associated to phenomena of the surrounding nature. Thus, its development was influenced by the use of a strong mathematical tool. As it was already seen in the first two volumes of the present book, its guideline is precisely the mathematical model of mechanics. The classical models which we refer to are in fact models based on the Newtonian model of mechanics, that is on its five principles, i.e.: the inertia, the forces action, the action and reaction, the independence of the forces action and the initial conditions principle, respectively. Other models, e.g., the model of attraction forces between the particles of a discrete mechanical system, are part of the considered Newtonian model. Kepler’s laws brilliantly verify this model in case of velocities much smaller then the light velocity in vacuum.
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Applications of the Theory of Groups in Mechanics and Physics

Applications of the Theory of Groups in Mechanics and Physics

Petre P. Teodorescu; Nicolae A.P. Nicorovici

Springer
2010
nidottu
The notion of group is fundamental in our days, not only in mathematics, but also in classical mechanics, electromagnetism, theory of relativity, quantum mechanics, theory of elementary particles, etc. This notion has developed during a century and this development is connected with the names of great mathematicians as E. Galois, A. L. Cauchy, C. F. Gauss, W. R. Hamilton, C. Jordan, S. Lie, E. Cartan, H. Weyl, E. Wigner, and of many others. In mathematics, as in other sciences, the simple and fertile ideas make their way with difficulty and slowly; however, this long history would have been of a minor interest, had the notion of group remained connected only with rather restricted domains of mathematics, those in which it occurred at the beginning. But at present, groups have invaded almost all mathematical disciplines, mechanics, the largest part of physics, of chemistry, etc. We may say, without exaggeration, that this is the most important idea that occurred in mathematics since the invention of infinitesimal calculus; indeed, the notion of group expresses, in a precise and operational form, the vague and universal ideas of regularity and symmetry. The notion of group led to a profound understanding of the character of the laws which govern natural phenomena, permitting to formulate new laws, correcting certain inadequate formulations and providing unitary and non­ contradictory formulations for the investigated phenomena.
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Mechanical Systems, Classical Models

Mechanical Systems, Classical Models

Petre P. Teodorescu

Springer
2010
nidottu
In the study of a science of nature mathematics plays an important role. Mechanics is the first science of nature which was expressed in terms of mathematics by considering various mathematical models, associated to phenomena of the surrounding nature. Thus, its development was influenced by the use of a strong mathematical tool; on the other hand, we must observe that mechanics also influenced the introduction and the development of many mathematical notions. In this respect, the guideline of the present book is precisely the mathematical model of mechanics. A special accent is put on the solving methodology as well as on the mathematical tools used; vectors, tensors and notions of field theory. Continuous and discontinuous phenomena, various mechanical magnitudes are presented in a unitary form by means of the theory of distributions. Some appendices give the book an autonomy with respect to other works, special previous mathematical knowledge being not necessary. Some applications connected to important phenomena of nature are presented, and this also gives one the possibility to solve problems of interest from the technical, engineering point of view.
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Mechanical Systems, Classical Models

Mechanical Systems, Classical Models

Petre P. Teodorescu

Springer
2010
nidottu
As it was already seen in the first volume of the present book, its guideline is precisely the mathematical model of mechanics. The classical models which we refer to are in fact models based on the Newtonian model of mechanics, on its five principles, i. e. : the inertia, the forces action, the action and reaction, the parallelogram and the initial conditions principle, respectively. Other models, e. g. , the model of attraction forces between the particles of a discrete mechanical system, are part of the considered Newtonian model. Kepler’s laws brilliantly verify this model in case of velocities much smaller than the light velocity in vacuum. The non-classical models are relativistic and quantic. Mechanics has as object of study mechanical systems. The first volume of this book dealt with particle dynamics. The present one deals with discrete mechanical systems for particles in a number greater than the unity, as well as with continuous mechanical systems. We put in evidence the difference between these models, as well as the specificity of the corresponding studies; the generality of the proofs and of the corresponding computations yields a common form of the obtained mechanical results for both discrete and continuous systems. We mention the thoroughness by which the dynamics of the rigid solid with a fixed point has been presented. The discrete or continuous mechanical systems can be non-deformable (e. g.
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Treatise on Classical Elasticity

Treatise on Classical Elasticity

Petre P. Teodorescu

Springer
2013
sidottu
Deformable solids have a particularly complex character; mathematical modeling is not always simple and often leads to inextricable difficulties of computation. One of the simplest mathematical models and, at the same time, the most used model, is that of the elastic body – especially the linear one. But, notwithstanding its simplicity, even this model of a real body may lead to great difficulties of computation.The practical importance of a work about the theory of elasticity, which is also an introduction to the mechanics of deformable solids, consists of the use of scientific methods of computation in a domain in which simplified methods are still used.This treatise takes into account the consideration made above, with special attention to the theoretical study of the state of strain and stress of a deformable solid. The book draws on the known specialized literature, as well as the original results of the author and his 50+ years experience as Professor of Mechanics and Elasticity at the University of Bucharest. The construction of mathematical models is made by treating geometry and kinematics of deformation, mechanics of stresses and constitutive laws. Elastic, plastic and viscous properties are thus put in evidence and the corresponding theories are developed. Space problems are treated and various particular cases are taken into consideration. New solutions for boundary value problems of finite and infinite domains are given and a general theory of concentrated loads is built. Anisotropic and non-homogeneous bodies are studied as well. Cosserat type bodies are also modeled. The connection with thermal and viscous phenomena will be considered too.Audience: researchers in applied mathematics, mechanical and civil engineering.
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Mechanical Systems, Classical Models

Mechanical Systems, Classical Models

Petre P. Teodorescu

Springer
2012
nidottu
All phenomena in nature are characterized by motion. Mechanics deals with the objective laws of mechanical motion of bodies, the simplest form of motion. In the study of a science of nature, mathematics plays an important rôle. Mechanics is the first science of nature which has been expressed in terms of mathematics, by considering various mathematical models, associated to phenomena of the surrounding nature. Thus, its development was influenced by the use of a strong mathematical tool. As it was already seen in the first two volumes of the present book, its guideline is precisely the mathematical model of mechanics. The classical models which we refer to are in fact models based on the Newtonian model of mechanics, that is on its five principles, i.e.: the inertia, the forces action, the action and reaction, the independence of the forces action and the initial conditions principle, respectively. Other models, e.g., the model of attraction forces between the particles of a discrete mechanical system, are part of the considered Newtonian model. Kepler’s laws brilliantly verify this model in case of velocities much smaller then the light velocity in vacuum.
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Treatise on Classical Elasticity

Treatise on Classical Elasticity

Petre P. Teodorescu

Springer
2015
nidottu
Deformable solids have a particularly complex character; mathematical modeling is not always simple and often leads to inextricable difficulties of computation. One of the simplest mathematical models and, at the same time, the most used model, is that of the elastic body – especially the linear one. But, notwithstanding its simplicity, even this model of a real body may lead to great difficulties of computation.The practical importance of a work about the theory of elasticity, which is also an introduction to the mechanics of deformable solids, consists of the use of scientific methods of computation in a domain in which simplified methods are still used.This treatise takes into account the consideration made above, with special attention to the theoretical study of the state of strain and stress of a deformable solid. The book draws on the known specialized literature, as well as the original results of the author and his 50+ years experience as Professor of Mechanics and Elasticity at the University of Bucharest. The construction of mathematical models is made by treating geometry and kinematics of deformation, mechanics of stresses and constitutive laws. Elastic, plastic and viscous properties are thus put in evidence and the corresponding theories are developed. Space problems are treated and various particular cases are taken into consideration. New solutions for boundary value problems of finite and infinite domains are given and a general theory of concentrated loads is built. Anisotropic and non-homogeneous bodies are studied as well. Cosserat type bodies are also modeled. The connection with thermal and viscous phenomena will be considered too.Audience: researchers in applied mathematics, mechanical and civil engineering.
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Nonlinear Superposition Operators

Nonlinear Superposition Operators

Jürgen Appell; Petr P. Zabrejko

Cambridge University Press
2008
pokkari
This book is a self-contained account of knowledge of the theory of nonlinear superposition operators: a generalization of the notion of functions. The theory developed here is applicable to operators in a wide variety of function spaces, and it is here that the modern theory diverges from classical nonlinear analysis. The purpose of this book is to collect the basic facts about the superposition operator, to present the main ideas which are useful in studying its properties and to provide a comparison of its behaviour in different function spaces. Some applications are also considered, for example to control theory and optimization. Much of the work here has only appeared before in research literature, which itself is catalogued in detail here.
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Ordinary Differential Equations with Applications to Mechanics

Ordinary Differential Equations with Applications to Mechanics

Mircea Soare; Petre P. Teodorescu; Ileana Toma

Springer-Verlag New York Inc.
2006
sidottu
The present book has its source in the authors’ wish to create a bridge between mathematics and the technical disciplines that need a good knowledge of a strong mathematical tool. The authors tried to reflect a common experience of the University of Bucharest, Faculty of Mathematics and of the Technical University of Civil Engineering of Bucharest. The necessity of such an interdisciplinary work drove the authors to publish a first book with this aim (“Ecua ?ii diferen ?iale cu aplica ?ii în mecanica construc ?iilor” – Ordinary differential equations with applications to the mechanics of constructions, Editura Tehnic?, Bucharest, Romania). The present book is a new edition of the volume published in 1999. Unfortunately, the first author (M.V. Soare) passed away shortly before the publication of the Romanian edition, so that the present work is only due to the other two authors. It contains many improvements concerning the theoretical (mathematical) information, as well as new topics, using enlarged and updated references. We considered only ordinary differential equations and their solutions in an analytical frame, leaving aside their numerical approach. Compared to the Romanian edition, this volume presents the applications in a new way.
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Postcranial Anatomy and Habits of Asian Multituberculate Mammals

Postcranial Anatomy and Habits of Asian Multituberculate Mammals

Zofia Kielan-Jaworowska; Petr P. Gambaryan

Scandinavian University Press
2006
nidottu
Part of the Fossils and Strata Series from the Scandinavian University PressThe publication, Postcranial Anatomy and Habits of Asian Multituberculate Mammals, is a contribution to an international series on stratigraphy and paleontology. One of the authors, Zofia Kielan-Jaworowska, headed Polish-Mongolian paleontological expeditions in the Gobi Desert.
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Ordinary Differential Equations with Applications to Mechanics

Ordinary Differential Equations with Applications to Mechanics

Mircea Soare; Petre P. Teodorescu; Ileana Toma

Springer
2010
nidottu
The present book has its source in the authors’ wish to create a bridge between mathematics and the technical disciplines that need a good knowledge of a strong mathematical tool. The authors tried to reflect a common experience of the University of Bucharest, Faculty of Mathematics and of the Technical University of Civil Engineering of Bucharest. The necessity of such an interdisciplinary work drove the authors to publish a first book with this aim (“Ecua ?ii diferen ?iale cu aplica ?ii în mecanica construc ?iilor” – Ordinary differential equations with applications to the mechanics of constructions, Editura Tehnic?, Bucharest, Romania). The present book is a new edition of the volume published in 1999. Unfortunately, the first author (M.V. Soare) passed away shortly before the publication of the Romanian edition, so that the present work is only due to the other two authors. It contains many improvements concerning the theoretical (mathematical) information, as well as new topics, using enlarged and updated references. We considered only ordinary differential equations and their solutions in an analytical frame, leaving aside their numerical approach. Compared to the Romanian edition, this volume presents the applications in a new way.
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Proceedings of COMAT 2012: Transilvania University of Brasov, 18- 20 October 2012, Brasov, Romania

Proceedings of COMAT 2012: Transilvania University of Brasov, 18- 20 October 2012, Brasov, Romania

Presid Sorin Vlase; Editor Michael M. Dediu; Chairm Petre P. Teodorescu

Derc Publishing House
2012
nidottu
Advanced composite materials engineering is one of the most important area of research and development at the present time. Composite materials are a mixture of two or more different components, whose properties complement each other, and the result is a material with superior properties to those specific to each component. The utilization of composite materials is growing fast in strategic fields such as the aircraft, automotive, biomedical, naval and space industries, as well as in textile, paints, magnetic fluids, high-quality paper coatings, and microelectronics.These Proceedings of the 4th International Conference "Advanced Composite Materials Engineering" COMAT 2012 include 67 papers, which analyse many important practical applications. The topics range from wood engineering, sonic composite visualization, asphalt mixtures with polypropylene fibers and dental filling materials, to design optimization of composite stiffened structures for aerospace applications, new lignocellulosic composite materials, incorporation of different inorganic nanoparticles in polymer matrix, and carbon fiber reinforced polymer-matrix composites.
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Red Renegade

Red Renegade

Freddie P Peters

Freddie P Peters
2022
pokkari
A kidnapped tech genius holds the balance between war and peace in the Pacific... Can one man free him from China's grip? Henry Crowne, disgraced financier, now British Intelligence agent, lands with a US SEAL team in one of the most challenging regions of China. His new mission... to free a kidnapped tech ace whose ground-breaking innovation will change the face of war. Time is running out before the man reveals his secret to his brutal abductors. Captured and thrown into the same dark-site camp as his target, Henry must resist lethal interrogation, prison gang challenges, and the greed of the camp's warden to save himself and his charge. But escape is not the greatest challenge for Henry, a high-ranking Chinese defector is willing to risk her life and reveal the military plans to use the revolutionary technology on neighbouring countries. Henry must find his way through the torrid Gobi Desert and return to Beijing to collect the intelligence that will save the world from impending bloodshed, even if it means risking his freedom and his life... RED RENEGADE is the sixth book in the Henry Crowne Paying the Price series. If you enjoy bold characters, relentless plots and startling twists and turns, you will be excited by this unwavering thriller. Buy RED RENEGADE and unveil a hidden plot today
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Nippur

Nippur

John P Peters

Hansebooks
2017
pokkari
Nippur - Explorations and adventures on the Euphrates - the narrative of the University of Pennsylvania expedition to Babylonia in the years 1888-1890 - Vol. 2 is an unchanged, high-quality reprint of the original edition of 1898. Hansebooks is editor of the literature on different topic areas such as research and science, travel and expeditions, cooking and nutrition, medicine, and other genres. As a publisher we focus on the preservation of historical literature. Many works of historical writers and scientists are available today as antiques only. Hansebooks newly publishes these books and contributes to the preservation of literature which has become rare and historical knowledge for the future.
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