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The Expression of the Emotions in Man and Animals (Barnes and Noble Digital Library)
by Charles DarwinIn this highly readable study, one of the great pioneers of modern science examines how people and animals display varieties of emotions via their facial expressions. British naturalist Charles Darwin--who expounded the theory of evolution by natural selection, the principle that launched a scientific revolution—based this survey on his personal observations. Most of his findings were proven by later research, and today's behavioral scientists continue to draw upon this work for both knowledge and inspiration.A bestseller when it was first published in 1872, Darwin's inquiry addresses issues related to human origins and psychology in terms of evolutionary values. His methods include the study of facial expressions in infants and children, the insane, animals, painting and sculpture, and among people in different cultures. Also notable is the fact that this is one of the first books to employ photographs in the interests of science. Abounding in anecdotes and literary quotations, the work offers a direct approach that makes it accessible to professionals and amateurs alike—in fact, to anyone with an inquiring mind.
The Expression of the Emotions in Man and Animals: The Expression Of The Emotions In Man And Animals (Cambridge Library Collection - Darwin, Evolution And Genetics Ser.)
by Charles DarwinPublished in 1872, The Expression of the Emotions in Man and Animals was a book at the very heart of Darwin's research interests - a central pillar of his 'human' series. This book engaged some of the hardest questions in the evolution debate, and it showed the ever-cautious Darwin at his boldest. If Darwin had one goal with Expression, it was to demonstrate the power of his theories for explaining the origin of our most cherished human qualities: morality and intellect. As Darwin explained, "He who admits, on general grounds, that the structure and habits of all animals have been gradually evolved, will look at the whole subject of Expression in a new and interesting light."
The Expression of the Emotions in Man and Animals
by Charles DarwinWith a foreword by Margaret Mead: Darwin examines genetically determined behavior, combining the science of evolution with insights into human psychology.Published in 1872, thirteen years after On the Origin of Species, The Expression of the Emotions in Man and Animals is devoted to documenting what Darwin believes is the genetically determined aspects of behavior. Together with The Descent of Man (1871), it sketches out Darwin&’s main thesis of human origins. Here he traces the animal origins of human characteristics such as pursing of the lips in concentration, tightening of the muscles around the eyes in anger and efforts of memory. Darwin&’s thesis is that if the outward signs of behavior and emotions are shown to be universal in man and similar to animals then they must be due to inherited evolutionary adaptation, not culturally acquired characteristics. Several British psychiatrists, in particular James Crichton-Browne, were consultants for the book, which forms Darwin&’s main contribution to psychology. Darwin&’s collection of detailed observations along with his acute observational abilities and pictures (a landmark in the history of illustrations within the body of the text) corroborate his thesis and form the basis of the book. The foreword by Margaret Mead is of great interest in and of itself. Her foreword, illustrated with pictures provided by her, is designed to subvert Darwin&’s chief idea. Paul Ekman, a later editor of this same work, &“wonder[s] how Darwin would have felt had he known that his book was introduced by a cultural relativist who had included in his book pictures of those most opposed to his theory.&”
Expression Profiling in Neuroscience
by Yannis KaramanosTranscriptomics and proteomics, studying the profile of the expression of nucleic acids and proteins respectively, are increasingly applied to gain a mechanistic insight into a wide spectrum of investigation, and the use of expression profiling studies for the central nervous system and brain function aids in the understanding of neurodegenerative disorders and tumor development mechanisms. In Expression Profiling in Neuroscience, expert researchers provide a survey of the most commonly used approaches in the field and scan the different ways of studying the central nervous system/brain environment through expression profiling. The first part addresses the gene expression profiling of the brain at a large scale or to a specific cell type such as blood-brain barrier endothelium. Then, the second part describes the protein expression studies and the different technologies applied. Written for the popular Neuromethods series, chapters include corresponding background information, tested laboratory protocols, and step-by-step methods for reproducible laboratory experiments. Detailed and authoritative, Expression Profiling in Neuroscience presents the state-of-the-art techniques necessary to expand research further into this vital area of study.
Expression, Purification, and Structural Biology of Membrane Proteins (Methods in Molecular Biology #2127)
by Camilo Perez Timm MaierThis book collects up-to-date advanced protocols and advice from leading experts in the area of membrane protein biology that can be applied to structural and functional studies of any membrane protein system. The contents explore methods for cloning and expression of membrane proteins and membrane protein complexes in prokaryotic and eukaryotic systems, approaches for protein purification, nanobody applications, as well as biophysical characterization and much more. Written for the highly successful Methods in Molecular Biology series, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and thorough, Expression, Purification, and Structure Biology of Membrane Proteins serves to guide and encourage young researchers and newcomers to the field to tackle bold new studies on membrane proteins.Chapter 11 is available open access under a CC-BY 4.0 license via link.springer.com.
The Expressive Moment: How Interaction (with Music) Shapes Human Empowerment
by Marc LemanThe expressive moment is that point in time when we grasp a situation and respond quickly, even before we are aware of it. In this book, Marc Leman argues that expression drives this kind of interaction, and he proposes a general framework for understanding expressive interactions. He focuses on the dynamic, fast, and pre-reflective processes underlying our interactions with music -- whether we are playing an instrument, dancing, listening, or using new interactive technologies. Music offers a well-established domain for studying these fast and interactive processes, and Leman argues that understanding the power of expressive interaction through music may help us understand cognitive processing in other domains, including language, human action coordination, human-animal interaction, and human-machine interaction.Leman regards expressive interactions with music as energizing and empowering. He argues that music is based on patterns that intervene with a reinforcing loop in the human brain, strengthening learning, motivation, and reward. He argues further that the reinforcing effect is influenced by the interaction flow, by fast processes that handle expressive qualities on the fly.Leman sets out the framework in which expressive interaction is situated, describing, among other things, a pragmatic model of communication in which the fundamental components are enactment and dynamics. He looks in more detail at the cognitive-motivational architecture, discussing sensorimotor and motivational schemes. Finally, he discusses applications for the concepts behind expressive motivation in such fields as sports, entertainment, rehabilitation, multimedia art, and music education.
The Expressive Moment: How Interaction (with Music) Shapes Human Empowerment
by Marc LemanA new way to understand expressive interaction, focusing on the dynamic, fast, pre-reflective processes underlying interactions with music.The expressive moment is that point in time when we grasp a situation and respond quickly, even before we are aware of it. In this book, Marc Leman argues that expression drives this kind of interaction, and he proposes a general framework for understanding expressive interactions. He focuses on the dynamic, fast, and pre-reflective processes underlying our interactions with music—whether we are playing an instrument, dancing, listening, or using new interactive technologies. Music offers a well-established domain for studying these fast and interactive processes, and Leman argues that understanding the power of expressive interaction through music may help us understand cognitive processing in other domains, including language, human action coordination, human-animal interaction, and human-machine interaction.Leman regards expressive interactions with music as energizing and empowering. He argues that music is based on patterns that intervene with a reinforcing loop in the human brain, strengthening learning, motivation, and reward. He argues further that the reinforcing effect is influenced by the interaction flow, by fast processes that handle expressive qualities on the fly.Leman sets out the framework in which expressive interaction is situated, describing, among other things, a pragmatic model of communication in which the fundamental components are enactment and dynamics. He looks in more detail at the cognitive-motivational architecture, discussing sensorimotor and motivational schemes. Finally, he discusses applications for the concepts behind expressive motivation in such fields as sports, entertainment, rehabilitation, multimedia art, and music education.
Expressly Human: Decoding the Language of Emotion
by Mark Changizi Tim BarberGood communication, conventional wisdom suggests, is calm, logical, rational. Emotions, we&’re told, just get in the way. But what if this is backwards? What if those emotional overtones are the main messages we&’re sending to one another, and all that logical language is just window dressing? Over billions of years of evolution, animals have become increasingly sophisticated and increasingly sentient. In the process, they evolved emotions, which helped improve their odds of survival in complex situations. These emotions were, at first, purely internal. But at some point, social animals began expressing their emotions, in increasingly dramatic ways. These emotional expressions could accurately reflect internal emotions (smiling to express happiness)—or they could be quite different (smiling to cover up that you&’re actually furious, but can&’t tell your boss that). Why did once-stone-faced animals evolve to be so emotionally expressive—to be us? The answer, as evolutionary neurobiologist Mark Changizi and mathematician Tim Barber reveal, is that emotional expressions are our first and most important language—one that allows us, as social animals, to engage in highly sophisticated communications and negotiations. Expressly Human introduces an original theory that explains, from first principles, how the broad range of emotional expressions evolved, and provides a Rosetta Stone for human communication. It will revolutionize the way you see every social interaction, from deciding who gets the last slice of pizza to multimillion-dollar business negotiations, and change your definition of what makes us human.
The Exquisite Machine: The New Science of the Heart
by Sian E. HardingHow science is opening up the mysteries of the heart, revealing the poetry in motion within the machine.Your heart is a miracle in motion, a marvel of construction unsurpassed by any human-made creation. It beats 100,000 times every day—if you were to live to 100, that would be more than 3 billion beats across your lifespan. Despite decades of effort in labs all over the world, we have not yet been able to replicate the heart&’s perfect engineering. But, as Sian Harding shows us in The Exquisite Machine, new scientific developments are opening up the mysteries of the heart. And this explosion of new science—ultrafast imaging, gene editing, stem cells, artificial intelligence, and advanced sub-light microscopy—has crucial, real-world consequences for health and well-being. Harding—a world leader in cardiac research—explores the relation between the emotions and heart function, reporting that the heart not only responds to our emotions, it creates them as well. The condition known as Broken Heart Syndrome, for example, is a real disorder than can follow bereavement or stress. The Exquisite Machine describes the evolutionary forces that have shaped the heart&’s response to damage, the astonishing rejuvenating power of stem cells, how we can avoid heart disease, and why it can be so hard to repair a damaged heart. It tells the stories of patients who have had the devastating experiences of a heart attack, chaotic heart rhythms, or stress-induced acute heart failure. And it describes how cutting-edge technologies are enabling experiments and clinical trials that will lead us to new solutions to the worldwide scourge of heart disease.
Exscalate4CoV: High-Performance Computing for COVID Drug Discovery (SpringerBriefs in Applied Sciences and Technology)
by Silvano Coletti Gabriella BernardiThis book highlights the different aspects of the research project “E4C Horizon 2020 European Project” aimed at fighting the coronavirus by combining the best supercomputing resources and artificial intelligence with state-of-the-art experimental facilities up through clinical validation. Coronavirus disease has become an important public issue across the globe since December 2019. There is an urgent need to develop potent anti-COVID-19 agents for the prevention of the outbreak and stop viral infections. To this aim, a public–private consortium composed by European and national infrastructures, center of excellence, universities, and a pharmaceutical company started the E4C Horizon 2020 European Project: Its core idea was to use the EXaSCale smArt pLatform Against paThogEns (EXSCALATE) supercomputing platform for a process known as “drug repurposing”, namely to identify the most promising safe in man drugs for immediate treatment of the already infected population and then novel pan-coronavirus inhibitors to address future emergencies. This ambitious goal exploited a “chemical library” of 500 billion molecules, thanks to a processing capacity of more than 3 million molecules per second, made available by the computing power of the EXSCALATE platform.
Extended Abstracts Spring 2014
by Montserrat Corbera Josep Maria Cors Jaume Llibre Andrei KorobeinikovThe two parts of the present volume contain extended conference abstracts corresponding to selected talks given by participants at the "Conference on Hamiltonian Systems and Celestial Mechanics 2014" (HAMSYS2014) (15 abstracts) and at the "Workshop on Virus Dynamics and Evolution" (12 abstracts), both held at the Centre de Recerca Matemàtica (CRM) in Barcelona from June 2nd to 6th, 2014, and from June 23th to 27th, 2014, respectively. Most of them are brief articles, containing preliminary presentations of new results not yet published in regular research journals. The articles are the result of a direct collaboration between active researchers in the area after working in a dynamic and productive atmosphere. The first part is about Central Configurations, Periodic Orbits and Hamiltonian Systems with applications to Celestial Mechanics - a very modern and active field of research. The second part is dedicated to mathematical methods applied to viral dynamics and evolution. Mathematical modelling of biological evolution currently attracts the interest of both mathematicians and biologists. This material offers a variety of new exciting problems to mathematicians and reasonably inexpensive mathematical methods to evolutionary biologists. It will be of scientific interest to both communities. The book is intended for established researchers, as well as for PhD and postdoctoral students who want to learn more about the latest advances in these highly active areas of research.
Extended Biocontrol
by Xavier Fauvergue Adrien Rusch Matthieu Barret Marc Bardin Emmanuelle Jacquin-Joly Thibaut Malausa Christian LannouThis book presents an exhaustive overview of the theoretical foundations and practical applications of biocontrol in agriculture. It encompasses all kinds of nature-based approaches for crop protection: introduction and conservation of natural enemies, release of sterile insects, enhancement of plant defenses, use of microorganisms, biopesticides, and semiochemicals. Cutting-edge knowledge in population biology, microbial ecology, epidemiology and chemical ecology is presented in accessible terms. The potential of field application is discussed with regard to practical aspects but also socioeconomic constraints. The 62 authors are researchers from a large panel of disciplines, from theoretical biology to social sciences.
Extended Finite Element Method
by Amir R. KhoeiIntroduces the theory and applications of the extended finite element method (XFEM) in the linear and nonlinear problems of continua, structures and geomechanicsExtended Finite Element Method: Theory and Applications introduces the theory and applications of the extended finite element method (XFEM) in the linear and nonlinear problems of continua, structures and geomechanics. The XFEM approach is based on an extension of standard finite element method based on the partition of unity method.Extended Finite Element Method: Theory and Applications begins by introducing the concept of partition of unity, various enrichment functions, and fundamentals of XFEM formulation. It then covers the theory and application of XFEM in large deformations, plasticity and contact problems. The implementation of XFEM in fracture mechanics, including the linear, cohesive, and ductile crack propagation is also covered. The theory and applications of the XFEM in multiphase fluid flow, including the hydraulic fracturing in soil saturated media and crack propagation in thermo-hydro-mechanical porous media, is also discussed in detail.Introduces the theory and applications of the extended finite element method (XFEM) in the linear and nonlinear problems of continua, structures and geomechanicsExplores the concept of partition of unity, various enrichment functions, and fundamentals of XFEM formulation.Covers numerous applications of XFEM including fracture mechanics, large deformation, plasticity, multiphase flow, hydraulic fracturing and contact problemsAccompanied by a website hosting source code and examples
Extended Heredity: A New Understanding of Inheritance and Evolution
by Russell Bonduriansky Troy DayHow genes are not the only basis of heredity—and what this means for evolution, human life, and diseaseFor much of the twentieth century it was assumed that genes alone mediate the transmission of biological information across generations and provide the raw material for natural selection. In Extended Heredity, leading evolutionary biologists Russell Bonduriansky and Troy Day challenge this premise. Drawing on the latest research, they demonstrate that what happens during our lifetimes--and even our grandparents' and great-grandparents' lifetimes—can influence the features of our descendants. On the basis of these discoveries, Bonduriansky and Day develop an extended concept of heredity that upends ideas about how traits can and cannot be transmitted across generations. By examining the history of the gene-centered view in modern biology and reassessing fundamental tenets of evolutionary theory, Bonduriansky and Day show that nongenetic inheritance—involving epigenetic, environmental, behavioral, and cultural factors—could play an important role in evolution. The discovery of nongenetic inheritance therefore has major implications for key questions in evolutionary biology, as well as human health.Extended Heredity reappraises long-held ideas and opens the door to a new understanding of inheritance and evolution.
The Extended Mind: The Power of Thinking Outside the Brain
by Annie Murphy PaulA bold new book reveals how we can tap the intelligence that exists beyond our brains—in our bodies, our surroundings, and our relationshipsUse your head. That&’s what we tell ourselves when facing a tricky problem or a difficult project. But a growing body of research indicates that we&’ve got it exactly backwards. What we need to do, says acclaimed science writer Annie Murphy Paul, is think outside the brain. A host of &“extra-neural&” resources—the feelings and movements of our bodies, the physical spaces in which we learn and work, and the minds of those around us— can help us focus more intently, comprehend more deeply, and create more imaginatively. The Extended Mind outlines the research behind this exciting new vision of human ability, exploring the findings of neuroscientists, cognitive scientists, psychologists, and examining the practices of educators, managers, and leaders who are already reaping the benefits of thinking outside the brain. She excavates the untold history of how artists, scientists, and authors—from Jackson Pollock to Jonas Salk to Robert Caro—have used mental extensions to solve problems, make discoveries, and create new works. In the tradition of Howard Gardner&’s Frames of Mind or Daniel Goleman&’s Emotional Intelligence, The Extended Mind offers a dramatic new view of how our minds work, full of practical advice on how we can all think better.
Extended Non-Equilibrium Thermodynamics: From Principles to Applications in Nanosystems
by Hatim MachrafiExtended Non-Equilibrium Thermodynamics provides powerful tools departing not from empirical or statistical considerations but from fundamental thermodynamic laws, proposing final solutions that are readily usable and recognizable for students, researchers and industry. The book deals with methods that allow combining easily the present theory with other fields of science, such as fluid and solid mechanics, heat and mass transfer processes, electricity and thermoelectricity, and so on. Not only are such combinations facilitated, but they are incorporated into the developments in such a way that they become part of the theory. This book aims at providing for a systematic presentation of Extended Non-Equilibrium Thermodynamics in nanosystems with a high degree of applicability. Furthermore, the book deals with how physical properties of systems behave as a function of their size. Moreover, it provides for a systematic approach to understand the behavior of thermal, electrical, thermoelectric, photovoltaic and nanofluid properties in nanosystems. Experimental results are used to validate the theory, the comparison is analysed, justified and discussed, and the theory is then again used to understand better experimental observations. The new developments in this book, being recognizable in relation with familiar concepts, should make it appealing for academics and researchers to teach and apply and graduate students to use. The text in this book is intended to bring attention to how the theory can be applied to real-life applications in nanoscaled environments. Case studies, and applications of theories, are explored including thereby nanoporous systems, solar panels, nanomedicine drug permeation and properties of nanoporous scaffolds. Explores new generalized thermodynamic models Provides introductory context of Extended Non-Equilibrium Thermodynamics within classical thermodynamics, theoretical fundamentals and several applications in nanosystems Provides for a systematic approach to understand the behavior of thermal, electric, thermoelectric and viscous properties as a function of several parameters in nanosystems Includes reflections to encourage the reader to think further and put the information into context Examines future developments of new constitutive equations and theories and places them in the framework of real-life applications in the energetic and medical sectors, such as photovoltaic and thermoelectric devices, nanoporous media, drug delivery and scaffolds
The Extended Phenotype: The Long Reach of the Gene
by Richard DawkinsIn this influential and controversial book that has become a classic in popular science writing, Dawkins furthers his fascinating look at the evolution of life and natural selection.
Extended Reality Solutions to Support Older Adults: Potential Applications for Users With and Without Cognitive Impairments (Synthesis Lectures on Technology and Health)
by Walter R. Boot Andrew Dilanchian Saleh Kalantari Sara J. CzajaThis book explores one way in which recent hardware and software advances have placed humanity on the precipice of a significant shift in how technology can shape our interactions with the world around us: the application of transformative extended reality (XR) technology solutions to support the health, wellness, quality of life, and independence of older adults living with and without cognitive impairments. The book provides an overview of the state-of-the art research on XR-based solutions utilizing virtual reality (VR) and augmented reality (AR), challenges that can addressed with these technologies, evidence to date on the efficacy of these solutions, and the nature of these solutions and challenges to their implementation. It explores practical ways XR can be integrated into health and lifestyle maintenance activities for older populations in a diversity of situations through thematic chapters using realistic personas and scenarios. These thematic chapters are organized around the AGE-WELL Challenge Area topics, including staying connected, healthy lifestyles and wellness, mobility, and cognitive health, as well as an additional emphasis on leisure. Other chapters provide guidance on important issues to consider when designing XR-based solutions for older adults, how to evaluate and test XR solutions, the implementation of the user-centered design process, and the book concludes by highlighting unanswered questions and future research directions. This book approaches XR for older adults with and without cognitive impairments from the authors’ diverse research backgrounds in psychology, engineering, gerontology, and design. It will be of interest to academic and industry professionals as well as care providers considering the potential for XR interventions now and in the future.
The Extended Specimen: Emerging Frontiers in Collections-Based Ornithological Research (Studies in Avian Biology)
by Michael WebsterThe Extended Specimen highlights the research potential for ornithological specimens, and is meant to encourage ornithologists poised to initiate a renaissance in collections-based ornithological research. Contributors illustrate how collections and specimens are used in novel ways by adopting emerging new technologies and analytical techniques. Case studies use museum specimens and emerging and non-traditional types of specimens, which are developing new methods for making biological collections more accessible and "usable" for ornithological researchers. Published in collaboration with and on behalf of The American Ornithological Society, this volume in the highly-regarded Studies in Avian Biology series documents the power of ornithological collections to address key research questions of global importance.
Extending Science: Nasa's Space Science Mission Extensions And The Senior Review Process
by Engineering Medicine National Academies of SciencesNASA operates a large number of space science missions, approximately three-quarters of which are currently in their extended operations phase. They represent not only a majority of operational space science missions, but a substantial national investment and vital national assets. They are tremendously scientifically productive, making many of the major discoveries that are reported in the media and that rewrite textbooks. Extending Science – NASA's Space Science Mission Extensions and the Senior Review Process evaluates the scientific benefits of missions extensions, the current process for extending missions, the current biennial requirement for mission extensions, the balance between starting new missions and extending operating missions, and potential innovative cost-reduction proposals for extended missions, and makes recommendations based on this review.
Extending the Evolutionary Synthesis: Darwin’s Legacy Redesigned
by Axel LangeThe theory of evolution is itself evolving with new findings and changes in the fundamental underlying concepts. It is true that today's synthetic theory, which goes back to Darwin, is persistently successful. However, it offers no convincing explanation to many questions, some examples of which are as follows: What forms of inheritance exist besides genetics; how complex variations, especially evolutionary innovations such as bird feathers and turtle shells, arise; how the environment affects the evolution of species and is changed by them simultaneously; and why the evolution of birds, corals, and human culture is not explainable by natural selection alone. Scientific findings of the last decades require continuous rethinking and integration of new data and concepts into the theory of evolution. This comprehensibly written and excellently researched book provides exciting new insights into the Extended Evolutionary Synthesis using fascinating new examples from evolutionary biology. Key Features Comprehensively explains the Extended Evolutionary Synthesis Understandably written for a broad audience Includes interviews with world-leading evolutionary biologists Reviews the historical development of evolutionary theory with explanations of open, unanswered questions Explains the new concepts with powerful illustrations Related Titles Bard, J. Evolution: The Origins and Mechanisms of Diversity (ISBN 9781032138480) Johnson, N. Darwin’s Reach: 21st Century Applications of Evolutionary Biology (ISBN 9781138587427)
Extending the Extended Mind: From Cognition to Consciousness (New Directions in Philosophy and Cognitive Science)
by Pii TelakiviThis book argues that conscious experience is sometimes extended outside the brain and body into certain kinds of environmental interaction and tool use. It shows that if one accepts that cognitive states can extend, one must also accept that consciousness can extend. The proponents of Extended Mind defend the former claim, but usually oppose the latter claim. The most important undertaking of this book is to show that this partition is not possible on pain of inconsistency. Pii Telakivi presents three arguments for the hypothesis of Extended Conscious Mind, examines and answers the most common counterarguments, and introduces a novel means to interpret and apply the concept of constitution. She also addresses the tensions between analytic philosophy of mind and enactivism, and builds a bridge between two different traditions: on the one hand, extended mind, and on the other, enactivism and embodied mind—and maintains that a unifying approach is necessary for a theory about extended consciousness.
Extensions and Restrictions of Generalized Probabilistic Theories (BestMasters)
by Jonathan SteinbergGeneralized probabilistic theories (GPTs) allow us to write quantum theory in a purely operational language and enable us to formulate other, vastly different theories. As it turns out, there is no canonical way to integrate the notion of subsystems within the framework of convex operational theories. Sections can be seen as generalization of subsystems and describe situations where not all possible observables can be implemented. Jonathan Steinberg discusses the mathematical foundations of GPTs using the language of Archimedean order unit spaces and investigates the algebraic nature of sections. This includes an analysis of the category theoretic structure and the transformation properties of the state space. Since the Hilbert space formulation of quantum mechanics uses tensor products to describe subsystems, he shows how one can interpret the tensor product as a special type of a section. In addition he applies this concept to quantum theory and compares it with the formulation in the algebraic approach. Afterwards he gives a complete characterization of low dimensional sections of arbitrary quantum systems using the theory of matrix pencils.
Extensions of f: Curvature-Matter Couplings and Hybrid Metric-Palatini Theory (Cambridge Monographs on Mathematical Physics #1)
by Francisco S. Lobo Tiberiu HarkoRecent cosmological observations have posed a challenge for traditional theories of gravity: what is the force driving the accelerated expansion of the universe? What if dark energy or dark matter do not exist and what we observe is a modification of the gravitational interaction that dominates the universe at large scales? Various extensions to Einstein's General Theory of Relativity have been proposed, and this book presents a detailed theoretical and phenomenological analysis of several leading, modified theories of gravity. Theories with generalised curvature-matter couplings are first explored, followed by hybrid metric-Palatini gravity. This timely book first discusses key motivations behind the development of these modified gravitational theories, before presenting a detailed overview of their subsequent development, mathematical structure, and cosmological and astrophysical implications. Covering recent developments and with an emphasis on astrophysical and cosmological applications, this is the perfect text for graduate students and researchers.