Christoph S.'s Books

Resource Allocation in Project Management

By: Christoph Schwindt

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Resource Allocation in Project Management

By: Christoph Schwindt

The book is devoted to structural issues, algorithms, and applications of resource allocation problems in project management. Special emphasis is given to a unifying framework within which a large variety of project scheduling problems can be treated. Those problems involve general temporal constraints among project activities, different types of scarce resources, and a broad class of regular and nonregular objective functions ranging from time-based and financial to resource levelling functions. The diversity of the models proposed allows for covering many features arising in scheduling applications beyond the field of project management such as short-term production planning in the manufacturing or process industries.

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216

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Springer Science & Business Media

Published Date

ISBN 10

3540254102

ISBN 13

9783540254102

Gromov’s Compactness Theorem for Pseudo-holomorphic Curves

By: Christoph Hummel

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Gromov’s Compactness Theorem for Pseudo-holomorphic Curves

By: Christoph Hummel

This book presents the original proof of Gromov's compactness theorem for pseudo-holomorphic curves in detail. Local properties of pseudo-holomorphic curves are investigated and proved from a geometric viewpoint. Properties of particular interest are isoperimetric inequalities, a monotonicity formula, gradient bounds and the removal of singularities.

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136

Publisher

Birkhäuser

Published Date

ISBN 10

3034889526

ISBN 13

9783034889520

Invariance Entropy for Deterministic Control Systems

An Introduction

By: Christoph Kawan

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Invariance Entropy for Deterministic Control Systems

An Introduction

By: Christoph Kawan

This monograph provides an introduction to the concept of invariance entropy, the central motivation of which lies in the need to deal with communication constraints in networked control systems. For the simplest possible network topology, consisting of one controller and one dynamical system connected by a digital channel, invariance entropy provides a measure for the smallest data rate above which it is possible to render a given subset of the state space invariant by means of a symbolic coder-controller pair. This concept is essentially equivalent to the notion of topological feedback entropy introduced by Nair, Evans, Mareels and Moran (Topological feedback entropy and nonlinear stabilization. IEEE Trans. Automat. Control 49 (2004), 1585–1597). The book presents the foundations of a theory which aims at finding expressions for invariance entropy in terms of dynamical quantities such as Lyapunov exponents. While both discrete-time and continuous-time systems are treated, the emphasis lies on systems given by differential equations.

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290

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Springer

Published Date

ISBN 10

3319012886

ISBN 13

9783319012889

Ecology of Central European Forests

Vegetation Ecology of Central Europe, Volume I

By: Christoph Leuschner,Heinz Ellenberg

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Ecology of Central European Forests

Vegetation Ecology of Central Europe, Volume I

By: Christoph Leuschner,Heinz Ellenberg

This handbook in two volumes synthesises our knowledge about the ecology of Central Europe’s plant cover with its 7000-yr history of human impact, covering Germany, Poland, the Netherlands, Belgium, Luxembourg, Switzerland, Austria, Czech Republic and Slovakia. Based on a thorough literature review with 5500 cited references and nearly 1000 figures and tables, the two books review in 26 chapters all major natural and man-made vegetation types with their climatic and edaphic influences, the structure and dynamics of their communities, the ecophysiology of important plant species, and key aspects of ecosystem functioning. Volume I deals with the forests and scrub vegetation and analyses the ecology of Central Europe’s tree flora, whilst Volume II is dedicated to the non-forest vegetation covering mires, grasslands, heaths, alpine habitats and urban vegetation. The consequences of over-use, pollution and recent climate change over the last century are explored and conservation issues addressed.

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998

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Springer

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ISBN 10

3319430424

ISBN 13

9783319430423

Introduction to Singularities and Deformations

By: Gert-Martin Greuel,Christoph Lossen,Eugenii I. Shustin

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Introduction to Singularities and Deformations

By: Gert-Martin Greuel,Christoph Lossen,Eugenii I. Shustin

Singularity theory is a young, rapidly-growing topic with connections to algebraic geometry, complex analysis, commutative algebra, representations theory, Lie groups theory and topology, and many applications in the natural and technical sciences. This book presents the basic singularity theory of analytic spaces, including local deformation theory and the theory of plane curve singularities. It includes complete proofs.

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482

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Springer Science & Business Media

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ISBN 10

3540284192

ISBN 13

9783540284192

Project Scheduling with Time Windows and Scarce Resources

Temporal and Resource-Constrained Project Scheduling with Regular and Nonregular Objective Functions

By: Klaus Neumann,Christoph Schwindt,Jürgen Zimmermann

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Project Scheduling with Time Windows and Scarce Resources

Temporal and Resource-Constrained Project Scheduling with Regular and Nonregular Objective Functions

By: Klaus Neumann,Christoph Schwindt,Jürgen Zimmermann

A project is a unique undertaking or endeavor to be accomplished that can be divided into individual subtasks or activities each of which requires time and scarce resources for its completion. Also there is a desired objective to be attained (for example, minimization of project duration or of variation of resource utilization, or maximization of net present value of the project). Moreover, there are given precedence relationships among activities prescrib ing the order in which activities must be carried out. Project scheduling, in its basic form, consists of finding start times for all activities such that pre scribed resource and precedence constraints are satisfied and an objective function is optimized. Since the concept of a project can be interpreted quite broadly, project scheduling problems arise in a great variety of practical situations. These in clude construction work, the development and introduction of new products, service systems, or software packages, strategic long-term planning in manu facturing and the service sector, emergency planning, and even the conduct ing of political campaigns. Recently, project scheduling has been successfully applied to production and operations management, e.g. make-to-order pro duction in manufacturing and batch production in process industries. Since the late 1950's, network-based planning methods for project sched uling problems have been developed, cf. Elmaghraby (1977) and Moder et al.

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346

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Springer Science & Business Media

Published Date

ISBN 10

3662223414

ISBN 13

9783662223413

Ecology of Central European Non-Forest Vegetation: Coastal to Alpine, Natural to Man-Made Habitats

Vegetation Ecology of Central Europe, Volume II

By: Christoph Leuschner,Heinz Ellenberg

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Ecology of Central European Non-Forest Vegetation: Coastal to Alpine, Natural to Man-Made Habitats

Vegetation Ecology of Central Europe, Volume II

By: Christoph Leuschner,Heinz Ellenberg

This handbook in two volumes synthesises our knowledge about the ecology of Central Europe’s plant cover with its 7000-yr history of human impact, covering Germany, Poland, the Netherlands, Belgium, Luxembourg, Switzerland, Austria, Czech Republic and Slovakia. Based on a thorough literature review with 5500 cited references and nearly 1000 figures and tables, the two books review in 26 chapters all major natural and man-made vegetation types with their climatic and edaphic influences, the structure and dynamics of their communities, the ecophysiology of important plant species, and key aspects of ecosystem functioning. Volume I deals with forests and scrub vegetation and analyses the ecology of Central Europe’s tree flora, whilst Volume II is dedicated to the non-forest vegetation covering mires, grasslands, heaths, alpine habitats and urban vegetation. The consequences of over-use, pollution and recent climate change over the last century are explored and conservation issues addressed.

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1117

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Springer

Published Date

ISBN 10

3319430483

ISBN 13

9783319430485

Functional Decomposition with Applications to FPGA Synthesis

By: Christoph Scholl

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Functional Decomposition with Applications to FPGA Synthesis

By: Christoph Scholl

This consistently written book provides a comprehensive presentation of a multitude of results stemming from the author's as well as various researchers' work in the field. It also covers functional decomposition for incompletely specified functions, decomposition for multi-output functions and non-disjoint decomposition.

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274

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Springer Science & Business Media

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ISBN 10

1475733933

ISBN 13

9781475733938

Physics-Compatible Finite Element Methods for Scalar and Tensorial Advection Problems

By: Christoph Lohmann

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Physics-Compatible Finite Element Methods for Scalar and Tensorial Advection Problems

By: Christoph Lohmann

Christoph Lohmann introduces a very general framework for the analysis and design of bound-preserving finite element methods. The results of his in-depth theoretical investigations lead to promising new extensions and modifications of existing algebraic flux correction schemes. The main focus is on new limiting techniques designed to control the range of solution values for advected scalar quantities or the eigenvalue range of symmetric tensors. The author performs a detailed case study for the Folgar-Tucker model of fiber orientation dynamics. Using eigenvalue range preserving limiters and admissible closure approximations, he develops a physics-compatible numerical algorithm for this model.

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289

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Springer Nature

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ISBN 10

3658277378

ISBN 13

9783658277376

String-Net Construction of RCFT Correlators

By: Jürgen Fuchs,Christoph Schweigert,Yang Yang

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String-Net Construction of RCFT Correlators

By: Jürgen Fuchs,Christoph Schweigert,Yang Yang

This book studies using string-net models to accomplish a direct, purely two-dimensional, approach to correlators of two-dimensional rational conformal field theories. The authors obtain concise geometric expressions for the objects describing bulk and boundary fields in terms of idempotents in the cylinder category of the underlying modular fusion category, comprising more general classes of fields than is standard in the literature. Combining these idempotents with Frobenius graphs on the world sheet yields string nets that form a consistent system of correlators, i.e. a system of invariants under appropriate mapping class groups that are compatible with factorization. The authors extract operator products of field objects from specific correlators; the resulting operator products are natural algebraic expressions that make sense beyond semisimplicity. They also derive an Eckmann-Hilton relation internal to a braided category, thereby demonstrating the utility of string nets for understanding algebra in braided tensor categories. Finally, they introduce the notion of a universal correlator. This systematizes the treatment of situations in which different world sheets have the same correlator and allows for the definition of a more comprehensive mapping class group.

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129

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Springer Nature

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ISBN 10

3031146824

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9783031146824

Lévy Matters I

Recent Progress in Theory and Applications: Foundations, Trees and Numerical Issues in Finance

By: Thomas Duquesne,Oleg Reichmann,Ken-iti Sato,Christoph Schwab

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Lévy Matters I

Recent Progress in Theory and Applications: Foundations, Trees and Numerical Issues in Finance

By: Thomas Duquesne,Oleg Reichmann,Ken-iti Sato,Christoph Schwab

Focusing on the breadth of the topic, this volume explores Lévy processes and applications, and presents the state-of-the-art in this evolving area of study. These expository articles help to disseminate important theoretical and applied research to those studying the field.

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216

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Springer

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ISBN 10

3642140076

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9783642140075

Riesz Transforms, Hodge-Dirac Operators and Functional Calculus for Multipliers

By: Cédric Arhancet,Christoph Kriegler

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Riesz Transforms, Hodge-Dirac Operators and Functional Calculus for Multipliers

By: Cédric Arhancet,Christoph Kriegler

This book on recent research in noncommutative harmonic analysis treats the Lp boundedness of Riesz transforms associated with Markovian semigroups of either Fourier multipliers on non-abelian groups or Schur multipliers. The detailed study of these objects is then continued with a proof of the boundedness of the holomorphic functional calculus for Hodge–Dirac operators, thereby answering a question of Junge, Mei and Parcet, and presenting a new functional analytic approach which makes it possible to further explore the connection with noncommutative geometry. These Lp operations are then shown to yield new examples of quantum compact metric spaces and spectral triples. The theory described in this book has at its foundation one of the great discoveries in analysis of the twentieth century: the continuity of the Hilbert and Riesz transforms on Lp. In the works of Lust-Piquard (1998) and Junge, Mei and Parcet (2018), it became apparent that these Lp operations can be formulated on Lp spaces associated with groups. Continuing these lines of research, the book provides a self-contained introduction to the requisite noncommutative background. Covering an active and exciting topic which has numerous connections with recent developments in noncommutative harmonic analysis, the book will be of interest both to experts in no-commutative Lp spaces and analysts interested in the construction of Riesz transforms and Hodge–Dirac operators.

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288

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Springer Nature

Published Date

ISBN 10

3030990117

ISBN 13

9783030990114

A Many-Sorted Calculus Based on Resolution and Paramodulation

By: Christoph Walther

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A Many-Sorted Calculus Based on Resolution and Paramodulation

By: Christoph Walther

A Many-Sorted Calculus Based on Resolution and Paramodulation emphasizes the utilization of advantages and concepts of many-sorted logic for resolution and paramodulation based automated theorem proving. This book considers some first-order calculus that defines how theorems from given hypotheses by pure syntactic reasoning are obtained, shifting all the semantic and implicit argumentation to the syntactic and explicit level of formal first-order reasoning. This text discusses the efficiency of many-sorted reasoning, formal preliminaries for the RP- and ?RP-calculus, and many-sorted term rewriting and unification. The completeness and soundness of the ?RP-calculus, sort theorem, and automated theorem prover for the ?RP-calculus are also elaborated. This publication is a good source for students and researchers interested in many-sorted calculus.

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169

Publisher

Morgan Kaufmann

Published Date

ISBN 10

1483258939

ISBN 13

9781483258935

Mathematical Chemistry and Chemoinformatics

Structure Generation, Elucidation and Quantitative Structure-Property Relationships

By: Adalbert Kerber,Reinhard Laue,Markus Meringer,Christoph Rücker,Emma Schymanski

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Mathematical Chemistry and Chemoinformatics

Structure Generation, Elucidation and Quantitative Structure-Property Relationships

By: Adalbert Kerber,Reinhard Laue,Markus Meringer,Christoph Rücker,Emma Schymanski

More than 20 years of experience in molecular structure generation, from conceptualization through to applications Innovative, interdisciplinary text demonstrating example queries with software packages such as MOLGEN-online Detailed explanations on establishing QSPRs and QSARs as well as structure elucidation using mass spectrometry and structure generation. Aims and Scope This work provides an introduction to mathematical modeling of molecules and the resulting applications (structure generation, structure elucidation, QSAR/QSPR etc.). Most chemists have experimented with some software that represents molecules in an electronic form, and such models and applications are of increasing interest in diverse and growing fields such as drug discovery, environmental science and metabolomics. Furthermore, structure generation remains the only way to systematically create molecules that are not (yet) present in a database. This book starts with the mathematical theory behind representing molecules, explaining chemical concepts in mathematical terms and providing exercises that can be completed online. The later chapters cover applications of the theory, with detailed explanations on QSPR and QSAR investigations and finally structure elucidation combining mass spectrometry and structure generation. This book is aimed in particular at the users of structure generation methods and corresponding techniques, but also for those interested in teaching and learning mathematical chemistry, and for software designers in chemoinformatics.

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521

Publisher

Walter de Gruyter

Published Date

ISBN 10

3110254077

ISBN 13

9783110254075

Systems Biology

A Textbook

By: Edda Klipp,Wolfram Liebermeister,Christoph Wierling,Axel Kowald

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Systems Biology

A Textbook

By: Edda Klipp,Wolfram Liebermeister,Christoph Wierling,Axel Kowald

This advanced textbook is tailored for an introductory course in Systems Biology and is well-suited for biologists as well as engineers and computer scientists. It comes with student-friendly reading lists and a companion website featuring a short exam prep version of the book and educational modeling programs. The text is written in an easily accessible style and includes numerous worked examples and study questions in each chapter. For this edition, a section on medical systems biology has been included.

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504

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John Wiley & Sons

Published Date

ISBN 10

3527336362

ISBN 13

9783527336364

The Evolution of Biological Information

How Evolution Creates Complexity, from Viruses to Brains

By: Christoph Adami

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The Evolution of Biological Information

How Evolution Creates Complexity, from Viruses to Brains

By: Christoph Adami

Why information is the unifying principle that allows us to understand the evolution of complexity in nature More than 150 years after Darwin’s revolutionary On the Origin of Species, we are still attempting to understand and explain the amazing complexity of life. Although we now know how evolution proceeds to build complexity from simple ingredients, quantifying this complexity is still a difficult undertaking. In this book, Christoph Adami offers a new perspective on Darwinian evolution by viewing it through the lens of information theory. This novel theoretical stance sheds light on such matters as how viruses evolve drug resistance, how cells evolve to communicate, and how intelligence evolves. By this account, information emerges as the central unifying principle behind all of biology, allowing us to think about the origin of life—on Earth and elsewhere—in a systematic manner. Adami, a leader in the field of computational biology, first provides an accessible introduction to the information theory of biomolecules and then shows how to apply these tools to measure information stored in genetic sequences and proteins. After outlining the experimental evidence of the evolution of information in both bacteria and digital organisms, he describes the evolution of robustness in viruses; the cooperation among cells, animals, and people; and the evolution of brains and intelligence. Building on extensive prior work in bacterial and digital evolution, Adami establishes that (expanding on Dobzhansky’s famous remark) nothing in biology makes sense except in the light of information. Understanding that information is the foundation of all life, he argues, allows us to see beyond the particulars of our way of life to glimpse what life might be like in other worlds.

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585

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Princeton University Press

Published Date

ISBN 10

0691241155

ISBN 13

9780691241159

Competitive Programming in Python

128 Algorithms to Develop your Coding Skills

By: Christoph Dürr,Jill-Jênn Vie

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Competitive Programming in Python

128 Algorithms to Develop your Coding Skills

By: Christoph Dürr,Jill-Jênn Vie

Want to kill it at your job interview in the tech industry? Want to win that coding competition? Learn all the algorithmic techniques and programming skills you need from two experienced coaches, problem setters, and jurors for coding competitions. The authors highlight the versatility of each algorithm by considering a variety of problems and show how to implement algorithms in simple and efficient code. Readers can expect to master 128 algorithms in Python and discover the right way to tackle a problem and quickly implement a solution of low complexity. Classic problems like Dijkstra's shortest path algorithm and Knuth-Morris-Pratt's string matching algorithm are featured alongside lesser known data structures like Fenwick trees and Knuth's dancing links. The book provides a framework to tackle algorithmic problem solving, including: Definition, Complexity, Applications, Algorithm, Key Information, Implementation, Variants, In Practice, and Problems. Python code included in the book and on the companion website.

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265

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Cambridge University Press

Published Date

ISBN 10

1108658431

ISBN 13

9781108658430

Synthesis and Application of [2.2]Paracyclophane Derivatives in Catalysis and Material Science

By: Christoph Zippel

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Synthesis and Application of [2.2]Paracyclophane Derivatives in Catalysis and Material Science

By: Christoph Zippel

[2.2]Paracyclophane is a prevalent π‐stacked, carbocyclic scaffold with a “bent and battered” structure. This results not only in a transannular communication but also in a chiral plane within the molecule if at least one substituent is present. These unique properties make this structure synthetically challenging but also scarcely investigated. A new method for enantio-separation based on the kinetic resolution was developed, which allows the access to enantiomerically pure [2.2]paracyclophane-based building blocks. In a liquid crystal templated chemical vapor deposition process, [2.2]paracyclophanyl alcohols containing an additional central chiral element were evaluated for the self-assembly of nanofibers. Furthermore, the cyclopropanation of α-alkyl-α-diazo compounds with a [2.2]paracyclophane-based rhodium tetracarboxylate complex was investigated. Finally, the rigidity, regioselective functionalization, and transannular communication of [2.2]paracyclophane were exploited in the design of heterobimetallic gold/ruthenium complexes for the study of metal-to-metal interactions.

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220

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Logos Verlag Berlin GmbH

Published Date

ISBN 10

3832554122

ISBN 13

9783832554125

The German Federal Constitutional Court

The Court Without Limits

By: Matthias Jestaedt,Oliver Lepsius,Christoph Möllers,Christoph Schönberger

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The German Federal Constitutional Court

The Court Without Limits

By: Matthias Jestaedt,Oliver Lepsius,Christoph Möllers,Christoph Schönberger

This translation into English of the leading German-language work on the Federal Constitutional Court gives an overview of the court's history and role as one of the most influential constitutional courts in recent years. The book consists of four extended, free-standing essays written by each of the authors. The essays cover the historical development and political context of the Court; the Court and the constitution; the Court's approach to judicial reasoning; and the Court in contemporary constitutional theory.

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405

Publisher

Oxford University Press

Published Date

ISBN 10

0192512102

ISBN 13

9780192512109

Polyharmonic Boundary Value Problems

Positivity Preserving and Nonlinear Higher Order Elliptic Equations in Bounded Domains

By: Filippo Gazzola,Hans-Christoph Grunau,Guido Sweers

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Polyharmonic Boundary Value Problems

Positivity Preserving and Nonlinear Higher Order Elliptic Equations in Bounded Domains

By: Filippo Gazzola,Hans-Christoph Grunau,Guido Sweers

This accessible monograph covers higher order linear and nonlinear elliptic boundary value problems in bounded domains, mainly with the biharmonic or poly-harmonic operator as leading principal part. It provides rapid access to recent results and references.

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444

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Springer

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ISBN 10

3642122450

ISBN 13

9783642122453

Boundary Element Methods

By: Stefan A. Sauter,Christoph Schwab

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Boundary Element Methods

By: Stefan A. Sauter,Christoph Schwab

This work presents a thorough treatment of boundary element methods (BEM) for solving strongly elliptic boundary integral equations obtained from boundary reduction of elliptic boundary value problems in $\mathbb{R}^3$. The book is self-contained, the prerequisites on elliptic partial differential and integral equations being presented in Chapters 2 and 3. The main focus is on the development, analysis, and implementation of Galerkin boundary element methods, which is one of the most flexible and robust numerical discretization methods for integral equations. For the efficient realization of the Galerkin BEM, it is essential to replace time-consuming steps in the numerical solution process with fast algorithms. In Chapters 5-9 these methods are developed, analyzed, and formulated in an algorithmic way.

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575

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Springer Science & Business Media

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ISBN 10

3540680934

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9783540680932

Scattering Amplitudes in Quantum Field Theory

By: Simon Badger,Johannes Henn,Jan Christoph Plefka,Simone Zoia

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Scattering Amplitudes in Quantum Field Theory

By: Simon Badger,Johannes Henn,Jan Christoph Plefka,Simone Zoia

This open access book bridges a gap between introductory Quantum Field Theory (QFT) courses and state-of-the-art research in scattering amplitudes. It covers the path from basic definitions of QFT to amplitudes, which are relevant for processes in the Standard Model of particle physics. The book begins with a concise yet self-contained introduction to QFT, including perturbative quantum gravity. It then presents modern methods for calculating scattering amplitudes, focusing on tree-level amplitudes, loop-level integrands and loop integration techniques. These methods help to reveal intriguing relations between gauge and gravity amplitudes and are of increasing importance for obtaining high-precision predictions for collider experiments, such as those at the Large Hadron Collider, as well as for foundational mathematical physics studies in QFT, including recent applications to gravitational wave physics.These course-tested lecture notes include numerous exercises with solutions. Requiring only minimal knowledge of QFT, they are well-suited for MSc and PhD students as a preparation for research projects in theoretical particle physics. They can be used as a one-semester graduate level course, or as a self-study guide for researchers interested in fundamental aspects of quantum field theory.

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312

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Springer Nature

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ISBN 10

3031469879

ISBN 13

9783031469879

The Semantic Web

Semantics for Data and Services on the Web

By: Vipul Kashyap,Christoph Bussler,Matthew Moran

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The Semantic Web

Semantics for Data and Services on the Web

By: Vipul Kashyap,Christoph Bussler,Matthew Moran

The Semantic Web is a vision – the idea of having data on the Web defined and linked in such a way that it can be used by machines not just for display purposes but for automation, integration and reuse of data across various applications. However, there is a widespread misconception that the Semantic Web is a rehash of existing AI and database work. Kashyap, Bussler, and Moran dispel this notion by presenting the multi-disciplinary technological underpinnings such as machine learning, information retrieval, service-oriented architectures, and grid computing. Thus they combine the informational and computational aspects needed to realize the full potential of the Semantic Web vision.

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415

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Springer Science & Business Media

Published Date

ISBN 10

3540764518

ISBN 13

9783540764519

Dendrimers IV

Metal Coordination, Self Assembly, Catalysis

By: Fritz Vögtle,Christoph A. Schalley,Hak-Fun Chow

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Dendrimers IV

Metal Coordination, Self Assembly, Catalysis

By: Fritz Vögtle,Christoph A. Schalley,Hak-Fun Chow

With the present issue of Topics in Current Chemistry, the fourth and final volume concluding the mini-series on dendrimer chemistry has appeared. With a focus on the interdisciplinary bridges to neighboring fields, the contributions to this volume focus on coordination, catalysis and self-assembly, nicely balanced by a synthesis-based article on dendritic oligoethers.

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254

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Springer Science & Business Media

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ISBN 10

3540420959

ISBN 13

9783540420958

The Effects of Herbivory and Competition on 'Senecio Inaequidens' DC. (Asteraceae), an Invasive Alien Plant

By: Christoph Scherber

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The Effects of Herbivory and Competition on 'Senecio Inaequidens' DC. (Asteraceae), an Invasive Alien Plant

By: Christoph Scherber

Diploma Thesis from the year 2002 in the subject Biology - Ecology, grade: 1,0 (A), University of Rostock (Institute for Botany), language: English, abstract: Since the end of the 19th century, overall per-capita mobility of humans has increased significantly, leading to increased rates in human-mediated transportation of animal and plant species. The rapid spread of alien organisms, however, may lead to quick and unpredictable changes in ecosystems. Senecio inaequidens DC. (Asteraceae) is an invasive alien plant from South Africa that was first introduced to Europe 100 years ago and is characterized by an exceptionally fast rate of spread; it contains pyrrolizidine alkaloids that are toxic to invertebrates, livestock and humans. In the study presented here, laboratory, greenhouse and field experiments on the biology of Senecio inaequidens were conducted, in order to find out if and how herbivory and plant competition influence growth, survival and reproduction of this plant. Specifically, the presence of vertebrate herbivores, molluscs, insects and plant competitors was experimentally manipulated using full factorial and split-plot designs. All experiments were performed at Imperial College, Silwood Park, about 30 km west of London (UK). Growth and fecundity of Senecio inaequidens were significantly affected by interspecific competition. Vertebrate herbivory only had a significant effect when a closed vegetation cover was present. On artificially disturbed plots, Senecio inaequidens showed high capability to overcompensate for herbivory. Mollusc herbivory significantly reduced fecundity of S. inaequidens. Different ecotypes of Senecio inaequidens showed different amounts of herbivore damage. One of the most remarkable results of this study was that Longitarsus jacobaeae, a native specialist leaf beetle, freely colonized Senecio inaequidens, indicating that native herbivores might be suitable biocontrol agents of invasive alien plants in the future. Host switching

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109

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GRIN Verlag

Published Date

ISBN 10

3638719391

ISBN 13

9783638719391

Book's by Christoph S.

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