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Lie Groups and Algebras with Applications to Physics, Geometry, and Mechanics by D. H. Sattinger , O. L. Weaver
English | PDF (True) | 1986 | 218 Pages | ISBN : 0387962409 | 16.4 MB
This book is intended as an introductory text on the subject of Lie groups and algebras and their role in various fields of mathematics and physics. It is written by and for researchers who are primarily analysts or physicists, not algebraists or geometers. Not that we have eschewed the algebraic and geo metric developments. But we wanted to present them in a concrete way and to show how the subject interacted with physics, geometry, and mechanics. These interactions are, of course, manifold; we have discussed many of them here-in particular, Riemannian geometry, elementary particle physics, sym metries of differential equations, completely integrable Hamiltonian systems, and spontaneous symmetry breaking. Much ofthe material we have treated is standard and widely available; but we have tried to steer a course between the descriptive approach such as found in Gilmore and Wybourne, and the abstract mathematical approach of Helgason or Jacobson. Gilmore and Wybourne address themselvesto the physics community whereas Helgason and Jacobson address themselves to the mathematical community. This book is an attempt to synthesize the two points of view and address both audiences simultaneously. We wanted to present the subject in a way which is at once intuitive, geometric, applications oriented, mathematically rigorous, and accessible to students and researchers without an extensive background in physics, algebra, or geometry.

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[booksz]

Lie Groups and Lie Algebras
by Pavel Etingof
English | 2024 | ISBN: 9781959384045 | 309 Pages | True PDF | 2.57 MB

The book is based on a year-long graduate sequence on Lie groups and Lie algebras taught by the author at MIT. It is split into 51 sections, roughly corresponding to 1.5-hour lectures. The first half (Sections 1-26) gives an introduction into the basic theory of Lie groups and Lie algebras and then works out the structure, classification and representation theory of complex semisimple Lie algebras, ending with the Weyl character formula. The second half (Sections 27-51) treats more advanced topics, such as Schur-Weyl duality, representations of classical groups, Peter-Weyl theorem for compact topological groups, a representation-theoretic treatment of the hydrogen atom, classification of real semisimple Lie algebras, structure of real semisimple Lie groups, Cartan and Iwasawa decomposition, cohomology of Lie groups and homogeneous spaces, flag varieties, and others.

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Lie Groups and Quantum Mechanics by D. J. Simms
English | PDF | 1968 | 98 Pages | ISBN : 3540042229 | 4 MB
These notes are based on a series of twelve lectures given at the University of Bonn in the Wintersemester 1966-67 to a mixed group of mathematicians and theoretical physicists. I am grateful to Professors H~rzebruch, Bleuler and Klingenberg for giving me the opportunity of speak~at their seminar.

These notes are written primarily for the mathematicianwho has an elementary acquaintance with Lie groups and Lie algebras and who would like an account of the ideas which arise from the concept of relativistic invariance in ouantum mechanics. They may also be of interest to the theoretical physicist who wants to see familiar material presented in a fo~which uses standard concepts from other I areas of mathematics.
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Lieferbeziehungen, Lizenzvereinbarungen und Kaufoptionen als Instrumente zur Gestaltung effizienter Investitionsanreize in Joint Ventures By Susanek, Alexander
2007 | 156 Pages | ISBN: 3428122585 | PDF | 1 MB
Joint Ventures stellen eine wichtige Kooperationsform in der Unternehmenspraxis dar. Bei ihrer Gründung sind in der Regel spezifische Investitionen erforderlich, die durch formale Verträge nur unvollständig abgesichert werden können. Als Konsequenz besteht die Gefahr von Hold-up-Situationen und damit verbundenen Anreizen zur Unterinvestition.Alexander Susanek zeigt mit Hilfe eines formalen vertragstheoretischen Modells, unter welchen Bedingungen durch Lieferbeziehungen, Lizenzvereinbarungen und Kaufoptionen effiziente Investitionsanreize für die Muttergesellschaften erzielt werden können. Aus den Ergebnissen werden wichtige Erkenntnisse für die Bedeutung des Unterinvestitionsproblems in Joint Ventures und praktische Empfehlungen für die Gestaltung von Joint Venture-Vertragsbeziehungen abgeleitet.

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Lies of the Land: Painted Maps in Late Medieval and Early Modern France by Camille Serchuk
English | December 17, 2024 | ISBN: 0271097736 | True EPUB | 234 pages | 47.8 MB
Lies of the Land examines the often-overlooked artistic roots of mapmaking practice in early modern France, offering an original perspective on discourses of accuracy and their relationship to the pictorial origins of modern mapmaking.

Until the seventeenth century, most mapmakers in France were painters. Schooled in techniques of drawing and perspective―and in the careful study of nature that we associate with early modernity―they also learned the more expressive and imaginative Mannerist forms that dominated French painting in this period. Their maps draw on conventions of both painting and mapmaking to create beautiful, informative, and persuasive images for a wide variety of contexts and purposes. In this book, Camille Serchuk explores the strategies these cartographers deployed to weave together accuracy, ornament, and artifice in maps at all scales. Looking beyond the techniques of measurement and perspective, Serchuk shows how painterly interventions framed and manipulated the appearance and reception of cartographic objects.
Lies of theLand is an important new assessment of the character and status of early modern cartography that challenges binary distinctions between art and science and between decorative and epistemic images. It will appeal especially to art historians and historians of sixteenth-century France as well as scholars of map history.

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Liest du mich noch?: 69 Methoden zum Bibellesen mit Gruppen - Ein Ideenbuch für Mitarbeitende By Karsten Hüttmann, Bernd Pfalzer
2024 | 112 Pages | ISBN: 3870926287 | EPUB | 1 MB
Jugendliche zum Bibellesen zu motivieren und mit ihnen in die auf den ersten Blick fremd und lebensfern wirkenden Welten der biblischen Bücher einzutauchen, ist nicht immer leicht. Dabei kann das Erkunden der Bibeltexte so viel Spaß machen, wenn man es auf eine Weise angeht, die jungen Menschen naheliegt und sie aktiv beteiligt. Dieses Ideenbuch für Mitarbeitende enthält 69 innovative Methoden, um gemeinsam mit Jugendlichen einen biblischen Text in der Gruppe zu erarbeiten. Es eignet sich für junge Leute, die schon länger mit der Bibel unterwegs sind, sowie für Neu- oder WiedereinsteigerInnen. Ideal für Konfirmandengruppen, Jugendkreise, Religionsunterricht oder auf Freizeiten. Auch für Erwachsenengruppen und Hauskreise bietet es kreative Impulse. Die übersichtliche Gestaltung und Kategorisierung helfen, schnell eine geeignete Methode für die eigene Gruppensituation zu finden. Mit Ideen wie: Bible Art, Pen&Paper Charakterbogen, Emojis, Hashtags oder Memes, Kreuzverhör, Sportify your text, Insta-Story oder Pinterest-Pinnwand, u.v.m.

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Life / Afterlife: Revolution and Reflection in the Ancient Greek Underworld from Homer to Lucian by Suzanne Lye
English | September 23, 2024 | ISBN: 0197690203 | True EPUB | 336 pages | 2.7 MB
Life / Afterlife traces the development, evolution, and uses of underworld scenes in ancient Greek literature and society. Underworld scenes are a unique form of embedded storytelling, appearing across time and genres. These scenes employ a special register of language that acts as a narrative space outside of chronological time and everyday reality.

Suzanne Lye shows how writers such as Homer, Hesiod, Aristophanes, Plato, and Lucian, among others, used afterlife depictions as commentaries to communicate a call to action for their audiences in response to cultural, religious, and political changes to their worlds. Using networks of underworld scenes which often featured mythic and historical figures, authors could reinforce or challenge traditional religious and cultural beliefs and practices by presenting the long-term, cosmic effects of actions in life on an individual's post-death experience.
From ancient to modern times, underworld scenes have helped authors and audiences define the essential qualities of a "good life" for different social, political, and religious groups and their societies. This book offers an approach to reading underworld scenes that explains how they function and why they have persisted in various forms, both literary and artistic, from the eighth-century B.C.E. to the present day.

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Life After Breath: How a Brush with Fatality Gave Me a Glimpse of Immortality By Jacob Cooper
2020 | 224 Pages | ISBN: 1951805283 | EPUB | 1 MB

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Life after the Floods By Anu Lal
2019 | 114 Pages | ISBN: 9387780260 | EPUB | 1 MB
A devastating flood drowned three-quarters of the state of Kerala in South India, in 2018. The cause of the flood is still a topic of debate. Excessive rainfall is said to be its one cause. However, is there yet another astoundingly erroneous human intervention that perhaps doubled the impact of the floods? These essays were born during the time of the flood. The intention of these essays is to support those who seek answers after enduring the challenge of survival. As an artistic observation of the traumatic events, these essays are the first of its nature to offer an in-depth and panoramic view of the Kerala Floods and its causes. These essays list out the possible questions too that could be researched further for a better understanding of the nature of similar events. The book has 9 essays in two parts. The first part consists of four essays on Kerala Floods. The Second part titled "The Coconut Country" has five essays on many cultural as well as social peculiarities one could find specifically in Kerala. This is the first book of this kind.

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Life Hacks for a Little Alien: A Novel by Alice Franklin
English | February 11, 2025 | ISBN: 0316576050 | True EPUB | 304 pages | 1.2 MB
Perfect for readers of Eleanor Oliphant Is Completely Fine and Remarkably Bright Creatures, this is a charming, witty, and profoundly moving novel about what it feels like to grow up neurodivergent.

"An extraordinary debut that made me laugh, tear up, and feel hopeful." -Angie Kim, author of Happiness Falls
"Climb up here, Little Alien. Sit next to me. I will tell you about life on this planet. I will tell you how it goes."
Before she thinks of herself as Little Alien, our protagonist is a lonely girl who doesn't understand the world the way other children seem to. So when a late-night TV special introduces her to the mysterious Voynich Manuscript-an ancient tome written in an indecipherable language-Little Alien experiences something she hasn't before: hope. Could there be others like her, who also feel like they're from another planet?
Convinced the Voynich Manuscript holds the answers she needs, Little Alien and her best (and only) friend Bobby decide they must find this strange book. Where that decision leads them will change everything.
Narrated by an unexpected guide who has arrived to give Little Alien the advice she'll need to find her way, Life Hacks for a Little Alien is both a coming-of-age adventure and a love letter to language. Alice Franklin will have you swinging from stitches to tears on the uneven path to finding a life that fits, even when you yourself do not.

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Life in Flux: Navigational Skills to Guide and Ground You in an Ever-Changing World by Michaela O'Donnell PhD, Lisa Pratt Slayton
English | August 20, 2024 | ISBN: 154090363X, 1540901610 | True EPUB | 224 pages | 3.5 MB
If it seems like the world is in a constant state of flux, that's because it is. Our work, our families, our friendships, and our society are always changing, which can leave us feeling disoriented and discouraged. And while lots of people offer "tips and tricks" or "life hacks" to help us cope, the real secret to feeling like we're standing on solid ground is deeper-and we can't do it alone.

In Life in Flux, leadership, career, and vocation experts Michaela O'Donnell and Lisa Pratt Slayton teach the practical skills needed in order to navigate constant change. They show you how to
· face the pain and longings that come with change
· do the inner work of waking up and letting go
· embrace the unknown with confidence
· listen to God's guiding voice
· get to know yourself, really
· find and keep friends for the journey
· stay attuned to your rhythms and values moving forward
When you feel truly at home in your world and with yourself, you can do hard things with great courage. Life in Flux can get you there.

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Life in Limbo: My Battle with Depression, Infertility and Mental Illness By Matt Barwick
2015 | 270 Pages | ISBN: 1921941928 | EPUB | 1 MB
This memoir, based on diary entries, is a frank, moving and at times humorous account of Matt Barwick's struggle with infertility, and diagnosis with bipolar disorder triggered by family suicide. At twenty-nine, still childless after a year of trying, Matt and his wife Ali realised that starting a family was not going to be the 'cinch' it appeared.

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Life Support Systems for Humans in Space by Erik Seedhouse
English | EPUB | 2020 | 323 Pages | ISBN : 3030528588 | 116.5 MB
Life support systems are an integral part of crewed spacecraft designs and habitation systems. This textbook introduces the LSS capabilities that sustain humans who live and work in space, and it is written at a level appropriate for both undergraduate and postgraduate students.

The book begins with the basics of space physiology before detailing the features that make up different kinds of life support systems. It includes concise descriptions of how atmospheric pressure is monitored, how oxygen levels are maintained, how waste management is achieved and how water is recycled, and also describes the processes of fire detection and suppression. Several chapters are devoted to chronicling the evolution of life support systems through the decades.
Each chapter includes a list of learning objectives, summary sections and review questions. Additionally, various analogs for spaceflight life support systems are examined, including nuclear submarines and our natural life support system here on Earth! Overall, this book serves as an approachable primer for any student seeking to understand the intricacies of spacecraft life support systems.
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Anna S. Mueller, "Life under Pressure: The Social Roots of Youth Suicide and What to Do About Them"
English | ISBN: 0190847840 | 2024 | 264 pages | PDF | 2 MB
A rare study that transforms our understanding of why youth die by suicide, why youth suicide clusters happen, and how to stop them

Youth suicide clusters have deeply unsettled communities in recent years. While clusters have been widely documented in the media, too little is known about why youth die by suicide, why youth suicide clusters happen, and how to stop them both.
In Life under Pressure, Anna S. Mueller and Seth Abrutyn investigate the social roots of youth suicide and why certain places weather disproportionate incidents of adolescent suicides and suicide clusters. Through close examination of kids' lives in a community repeatedly rocked by youth suicide clusters, Mueller and Abrutyn reveal how the social worlds that youth inhabit and the various messages they learn in those spaces-about who they are supposed to be, mental illness, and help-seeking-shape their feelings about themselves and in turn their risk of suicide. With great empathy, Mueller and Abrutyn also identify the moments when adults unintentionally fail kids by not talking to them about suicide, teaching them how to seek help, or helping them grieve.
Through stories of survival, resilience, and even rebellion, Mueller and Abrutyn show how social environments can cause suicide and how they can be changed to help kids discover a life worth living. By revealing what it is like to live and die in one community,
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Life without God: An Outsider's Look at Atheism By Rik Peels,
2023 | 200 Pages | ISBN: 1009297821 | PDF | 1 MB
In this book, Rik Peels explores atheism from a new perspective that aims to go beyond the highly polarized debate about arguments for and against God's existence. Since our beliefs about the most important things in life are not usually based on arguments, we should look beyond atheistic arguments and explore what truly motivates the atheist. Are there certain ideals or experiences that explain the turn to atheism? Could atheism be the default position for us, not requiring any arguments whatsoever? And what about the often-discussed arguments against belief in God-is there something that religious and nonreligious people alike can learn from them? This book explores how a novel understanding of atheism is possible - and how it effectively moves the God debate further. Believers and nonbelievers can learn much from Peels's assessment of arguments for and against atheism.

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