Geometry of Shadows PDF Download
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Author: Giorgio De Chirico
Publisher: Public Space Books, A
ISBN: 9780998267548
Category : Art
Languages : en
Pages : 124
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Book Description
Gathered from early twentieth-century Italian magazines, manuscripts, correspondence, television recordings, and ephemeral art volumes, Geometry of Shadows is the first comprehensive collection of Giorgio de Chirico's Italian poetry, with award-winning poet Stefania Heim's translations presented alongside the Italian originals.
Author: Giorgio De Chirico
Publisher: Public Space Books, A
ISBN: 9780998267548
Category : Art
Languages : en
Pages : 124
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Book Description
Gathered from early twentieth-century Italian magazines, manuscripts, correspondence, television recordings, and ephemeral art volumes, Geometry of Shadows is the first comprehensive collection of Giorgio de Chirico's Italian poetry, with award-winning poet Stefania Heim's translations presented alongside the Italian originals.
Author: Vagn Lundsgaard Hansen
Publisher: World Scientific
ISBN: 9789810234188
Category : Mathematics
Languages : en
Pages : 128
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Book Description
The aim of this book is to throw light on various facets of geometry through development of four geometrical themes. The first theme is about the ellipse, the shape of the shadow east by a circle. The next, a natural continuation of the first, is a study of all three types of conic sections, the ellipse, the parabola and the hyperbola. The third theme is about certain properties of geometrical figures related to the problem of finding the largest area that can be enclosed by a curve of given length. This problem is called the isoperimetric problem. In itself, this topic contains motivation for major parts of the curriculum in mathematics at college level and sets the stage for more advanced mathematical subjects such as functions of several variables and the calculus of variations. Here, three types of conic section are discussed briefly. The emergence of non-Euclidean geometries in the beginning of the nineteenth century represents one of the dramatic episodes in the history of mathematics. In the last theme the non-Euclidean geometry in the Poincare disc model of the hyperbolic plane is developed.
Author: John Fry Heather
Publisher:
ISBN:
Category : Geometry, Descriptive
Languages : en
Pages : 176
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Book Description
Author: Tony Robbin
Publisher: Yale University Press
ISBN: 0300129629
Category : Art
Languages : en
Pages : 151
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Book Description
In this insightful book, which is a revisionist math history as well as a revisionist art history, Tony Robbin, well known for his innovative computer visualizations of hyperspace, investigates different models of the fourth dimension and how these are applied in art and physics. Robbin explores the distinction between the slicing, or Flatland, model and the projection, or shadow, model. He compares the history of these two models and their uses and misuses in popular discussions. Robbin breaks new ground with his original argument that Picasso used the projection model to invent cubism, and that Minkowski had four-dimensional projective geometry in mind when he structured special relativity. The discussion is brought to the present with an exposition of the projection model in the most creative ideas about space in contemporary mathematics such as twisters, quasicrystals, and quantum topology. Robbin clarifies these esoteric concepts with understandable drawings and diagrams. Robbin proposes that the powerful role of projective geometry in the development of current mathematical ideas has been long overlooked and that our attachment to the slicing model is essentially a conceptual block that hinders progress in understanding contemporary models of spacetime. He offers a fascinating review of how projective ideas are the source of some of today’s most exciting developments in art, math, physics, and computer visualization.
Author: Samuel Edward Warren
Publisher: BoD – Books on Demand
ISBN: 3385545706
Category : Fiction
Languages : en
Pages : 302
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Book Description
Reprint of the original, first published in 1877.
Author: Jeanne Cavelos
Publisher:
ISBN: 9780739423950
Category : Babylon 5 (Television program)
Languages : en
Pages : 874
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Book Description
Author: Francis Henney Smith
Publisher:
ISBN:
Category : Geometry, Descriptive
Languages : en
Pages : 78
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Book Description
Author: Peter Gardenfors
Publisher: MIT Press
ISBN: 9780262572194
Category : Psychology
Languages : en
Pages : 324
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Book Description
Within cognitive science, two approaches currently dominate the problem of modeling representations. The symbolic approach views cognition as computation involving symbolic manipulation. Connectionism, a special case of associationism, models associations using artificial neuron networks. Peter Gärdenfors offers his theory of conceptual representations as a bridge between the symbolic and connectionist approaches. Symbolic representation is particularly weak at modeling concept learning, which is paramount for understanding many cognitive phenomena. Concept learning is closely tied to the notion of similarity, which is also poorly served by the symbolic approach. Gärdenfors's theory of conceptual spaces presents a framework for representing information on the conceptual level. A conceptual space is built up from geometrical structures based on a number of quality dimensions. The main applications of the theory are on the constructive side of cognitive science: as a constructive model the theory can be applied to the development of artificial systems capable of solving cognitive tasks. Gärdenfors also shows how conceptual spaces can serve as an explanatory framework for a number of empirical theories, in particular those concerning concept formation, induction, and semantics. His aim is to present a coherent research program that can be used as a basis for more detailed investigations.
Author: Jessica Cluess
Publisher: Random House Books for Young Readers
ISBN: 0553535927
Category : Young Adult Fiction
Languages : en
Pages : 418
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Book Description
"Vivid characters, terrifying monsters, and world building as deep and dark as the ocean." --Victoria Aveyard, #1 New York Times bestselling author of Red Queen I am Henrietta Howel. The first female sorcerer in hundreds of years. The prophesied one. Or am I? Henrietta Howel can burst into flames. Forced to reveal her power to save a friend, she's shocked when instead of being executed, she's invited to train as one of Her Majesty's royal sorcerers. Thrust into the glamour of Victorian London, Henrietta is declared the chosen one, the girl who will defeat the Ancients, bloodthirsty demons terrorizing humanity. She also meets her fellow sorcerer trainees, handsome young men eager to test her power and her heart. One will challenge her. One will fight for her. One will betray her. But Henrietta Howel is not the chosen one. As she plays a dangerous game of deception, she discovers that the sorcerers have their own secrets to protect. With battle looming, what does it mean to not be the one? And how much will she risk to save the city—and the one she loves? Exhilarating and gripping, Jessica Cluess's spellbinding fantasy introduces a powerful, unforgettably heroine, and a world filled with magic, romance, and betrayal. Hand to fans of Libba Bray, Sarah J. Maas, and Cassandra Clare. "The magic! The intrigue! The guys! We were sucked into this monster-ridden, alternative England from page one. Henrietta is literally a 'girl on fire' and this team of sorcerers training for battle had a pinch of Potter blended with a drop of [Cassandra Clare's] Infernal Devices." --Justine Magazine "Cluess gamely turns the chosen-one trope upside down in this smashing dark fantasy." --Publishers Weekly, Starred Review "Unputdownable. I loved the monsters, the magic, and the teen warriors who are their world's best hope! Jessica Cluess is an awesome storyteller!" --Tamora Pierce, #1 New York Times bestselling author "A fun, inventive fantasy. I totally have a book crush on Rook." --Sarah Rees Brennan, New York Times bestselling author "Pure enchantment. I love how Cluess turned the 'chosen one' archetype on its head. With the emotional intensity of my favorite fantasy books, this is the kind of story that makes you forget yourself." --Roshani Chokshi, New York Times bestselling author of The Star-Touched Queen "A glorious, fast-paced romp of an adventure. Jessica Cluess has built her story out of my favorite ingredients: sorcery, demons, romance, and danger." --Kelly Link, author of Pretty Monsters
Author: Roberto Casati
Publisher: MIT Press
ISBN: 0262550849
Category : Science
Languages : en
Pages : 407
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Book Description
How the perception of shadows, studied by vision scientists and visual artists, reveals the inner workings of the visual system. In The Visual World of Shadows, Roberto Casati and Patrick Cavanagh examine how the perception of shadows, as studied by vision scientists and visual artists, reveals the inner workings of the visual system. Shadows are at once a massive problem for vision—which must distinguish them from objects or material features of objects—and a resource, signaling the presence, location, shape, and size of objects. Casati and Cavanagh draw up an inventory of information retrievable from shadows, showing their amazing variety. They present an overview of the visual system, distinguishing between measurement and inference. They discuss the shadow mission, the work done by the visual brain to parse, and perhaps discard, the information from shadows; shadow ownership, the association of a shadow with the object that casts it; shadow labeling, the visual system's ability to tell shadows from nonshadows; and the shadow concept, our knowledge about shadows as a category. Casati and Cavanagh then apply the theoretical apparatus they have developed for shadows to other phenomena: illumination, reflection, and transparency. Finally, they examine the art of the shadow, paying tribute to artists' exploration of shadow, analyzing a series of artworks (reproduced in color) from a rich and fascinating art historical corpus.
