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10194205 {"price-changing":0,"image":"https:\/\/image.vergleiche.ch\/small\/aHR0cHM6Ly9hc3NldHMudGhhbGlhLm1lZGlhL2ltZy9hcnRpa2VsL2U4OGM4NmUwZTY4NDdiZmIwNzIxMTBhYjlhMGQzN2M0NDk0YjdhZWMtMDAtMDAuanBlZw==!aHR0cHM6Ly9hc3NldHMudGhhbGlhLm1lZGlhL2ltZy9hcnRpa2VsL2U4OGM4NmUwZTY4NDdiZmIwNzIxMTBhYjlhMGQzN2M0NDk0YjdhZWMtMDAtMDAuanBlZw==","post_title":"The Kepler Conjecture","deeplink":"https:\/\/www.awin1.com\/pclick.php?p=25178938835&a=401125&m=13971&pref1=9781461411291","labels":[],"brand_id":15195,"post_content":"The Kepler conjecture, one of geometry's oldest unsolved problems, was formulated in 1611 by Johannes Kepler and mentioned by Hilbert in his famous 1900 problem list. The Kepler conjecture states that the densest packing of three-dimensional Euclidean space by equal spheres is attained by the 'cannonball' packing. In a landmark result, this was proved by Thomas C. Hales and Samuel P. Ferguson, using an analytic argument completed with extensive use of computers. This book centers around six papers, presenting the detailed proof of the Kepler conjecture given by Hales and Ferguson, published in 2006 in a special issue of Discrete & Computational Geometry. Further supporting material is also presented: a follow-up paper of Hales et al (2010) revising the proof, and describing progress towards a formal proof of the Kepler conjecture. For historical reasons, this book also includes two early papers of Hales that indicate his original approach to the conjecture. The editor's two introductory chapters situate the conjecture in a broader historical and mathematical context. These chapters provide a valuable perspective and are a key feature of this work.","merchants_number":1,"ean":9781461411291,"category_id":1,"size":null,"min_price":106.900000000000005684341886080801486968994140625,"low_price_merchant_id":70254503,"ID":10194205,"merchants":["orell-fuessli"],"brand":"SPRINGER","slug":"the-kepler-conjecture","url":"\/produkt\/the-kepler-conjecture\/","low_price_merchant_name":"Orell F\u00fcssli"}
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Origami Design Secrets
The magnum opus of one of the world's leading origami artists, the second edition of Origami Design Secrets reveals the underlying concepts of origami and how to create original origami designs. Containing step-by-step instructions for 26 models, this book is not just an origami cookbook or list of instructions-it introduces the fundamental building blocks of origami, building up to a... zur Produkt-Seite
13779497 {"price-changing":0,"image":"https:\/\/image.vergleiche.ch\/small\/aHR0cHM6Ly9hc3NldHMudGhhbGlhLm1lZGlhL2ltZy9hcnRpa2VsL2E4YTdkMTk2YWU1ZTViYjYzNWFkZjg4M2QyMGJhMGRmYWI1OWEwZDktMDAtMDAuanBlZw==!aHR0cHM6Ly9hc3NldHMudGhhbGlhLm1lZGlhL2ltZy9hcnRpa2VsL2E4YTdkMTk2YWU1ZTViYjYzNWFkZjg4M2QyMGJhMGRmYWI1OWEwZDktMDAtMDAuanBlZw==","post_title":"Origami Design Secrets","deeplink":"https:\/\/www.awin1.com\/pclick.php?p=26517794443&a=401125&m=13971&pref1=9781439867747","labels":[],"brand_id":37119,"post_content":"The magnum opus of one of the world's leading origami artists, the second edition of Origami Design Secrets reveals the underlying concepts of origami and how to create original origami designs. Containing step-by-step instructions for 26 models, this book is not just an origami cookbook or list of instructions-it introduces the fundamental building blocks of origami, building up to advanced methods such as the combination of uniaxial bases, the circle\/river method, and tree theory. With corrections and improved illustrations, this new expanded edition also covers uniaxial box pleating, introduces the new design technique of hex pleating, and describes methods of generalizing polygon packing to arbitrary angles.With coverage spanning the foundations of origami construction and advanced methods using both paper and pencil and custom-built free software, Origami Design Secrets helps readers cultivate the intuition and skills necessary to develop their own designs. It takes them beyond merely following a recipe to crafting a work of art.","merchants_number":1,"ean":9781439867747,"category_id":1,"size":null,"min_price":87.900000000000005684341886080801486968994140625,"low_price_merchant_id":70254503,"ID":13779497,"merchants":["orell-fuessli"],"brand":"Taylor & Francis Ltd.","slug":"origami-design-secrets","url":"\/produkt\/origami-design-secrets\/","low_price_merchant_name":"Orell F\u00fcssli"}
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Photostasis and Related Phenomena
Over the weekend of 21-23 February 1997, a small group gathered in Tallahassee, Florida, at the invitation of Ted Williams, to discuss 'photo stasis and related topics.' The majority of participants were former students and colleagues of Ted's, but an occasional outsider such as myself was generously included. The papers presented there are collected in this volume. The theory of phot... zur Produkt-Seite
18942739 {"price-changing":0,"image":"https:\/\/image.vergleiche.ch\/small\/aHR0cHM6Ly9hc3NldHMudGhhbGlhLm1lZGlhL2ltZy9hcnRpa2VsL2VhY2YyM2FiOGVjMWZmZDY4ZjIxMGNiZmIyZjUzNWJmZmFmY2EwNTAtMDAtMDAuanBlZw==!aHR0cHM6Ly9hc3NldHMudGhhbGlhLm1lZGlhL2ltZy9hcnRpa2VsL2VhY2YyM2FiOGVjMWZmZDY4ZjIxMGNiZmIyZjUzNWJmZmFmY2EwNTAtMDAtMDAuanBlZw==","post_title":"Photostasis and Related Phenomena","deeplink":"https:\/\/www.awin1.com\/pclick.php?p=30362076985&a=401125&m=13971&pref1=9781489915498","labels":[],"brand_id":328658,"post_content":"Over the weekend of 21-23 February 1997, a small group gathered in Tallahassee, Florida, at the invitation of Ted Williams, to discuss 'photo stasis and related topics.' The majority of participants were former students and colleagues of Ted's, but an occasional outsider such as myself was generously included. The papers presented there are collected in this volume. The theory of photo stasis was first outlined in a landmark paper by John Penn and Ted, published in 1986 in Experimental Eye Research. They provided compelling data showing that, in the albino rat eye, levels of rhodopsin, outer-segment length, rhodopsin regeneration rate, and even, perhaps, rhodopsin packing density all depend on the levels of cyclic illumination (12 hours light, 12 hours dark) in which the animal was reared. So, for example, there is fourfold less rhodopsin in a retinal extract derived from an animal reared at 400 lux than in an extract from the retina of an animal reared at 3 lux. Animals reared at intermediate levels of light show intermediate amounts of rhodopsin that are correlated with illumination level. What these data immediately suggested is that the photoreceptor cell can adjust its photon-catching ability in response to the levels of light in which an animal is reared, and they also provided a compelling rationale for outer-segment turnover, a phenomenon discovered 20 years earlier by Richard Young but whose function has remained obscure.","merchants_number":1,"ean":9781489915498,"category_id":1,"size":null,"min_price":150.900000000000005684341886080801486968994140625,"low_price_merchant_id":70254503,"ID":18942739,"merchants":["orell-fuessli"],"brand":"Springer Us","slug":"photostasis-and-related-phenomena","url":"\/produkt\/photostasis-and-related-phenomena\/","low_price_merchant_name":"Orell F\u00fcssli"}
