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[null,"1.","Record Nr.",null,"UNINA9910300542803321"]
[null,null,"Autore",null,"Lionni Luca"]
[null,null,"Titolo",null,"Colored Discrete Spaces : Higher Dimensional Combinatorial Maps and Quantum Gravity / / by Luca Lionni"]
[null,null,"Pubbl/distr/stampa",null,"Cham : , : Springer International Publishing : , : Imprint : Springer, , 2018"]
[null,null,"ISBN",null,"3-319-96023-7"]
[null,null,"Edizione",null,"[1st ed. 2018.]"]
[null,null,"Descrizione fisica",null,"1 online resource (XVIII, 218 p. 107 illus., 98 illus. in color.)"]
[null,null,"Collana",null,"Springer Theses, Recognizing Outstanding Ph.D. Research, , 2190-5053"]
[null,null,"Disciplina",null,"530.15"]
[null,null,"Soggetti",null,"Physics"]
[{"$nulls":4},"Gravitation"]
[{"$nulls":4},"Geometry"]
[{"$nulls":4},"Mathematical Methods in Physics"]
[{"$nulls":4},"Classical and Quantum Gravitation, Relativity Theory"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Nota di bibliografia","Includes bibliographical references at the end of each chapters."]
[null,null,"Nota di contenuto",null,"Colored Simplices and Edge-Colored Graphs -- Bijective Methods -- Properties of Stacked Maps -- Summary and Outlook."]
[null,null,null,"Sommario/riassunto","This book provides a number of combinatorial tools that allow a systematic study of very general discrete spaces involved in the context of discrete quantum gravity. In any dimension D, we can discretize Euclidean gravity in the absence of matter over random discrete spaces obtained by gluing families of polytopes together in all possible ways. These spaces are then classified according to their curvature. In D=2, it results in a theory of random discrete spheres, which converge in the continuum limit towards the Brownian sphere, a random fractal space interpreted as a quantum random space-time. In this limit, the continuous Liouville theory of D=2 quantum gravity is recovered. Previous results in higher dimension regarded triangulations, converging towards a continuum random tree, or gluings of simple building blocks of small sizes, for which multi-trace matrix model results are recovered in any even dimension. In this book, the author develops a bijection with stacked two-dimensional discrete surfaces for the most general colored building blocks, and details how it can be used to classify colored discrete spaces according to their curvature. The way in which this combinatorial problem arrises in discrete "]
[{"$nulls":4},"quantum gravity and random tensor models is discussed in detail."]
[null,"2.","Record Nr.",null,"UNINA9910704960103321"]
[null,null,"Autore",null,"Criswell Karey"]
[null,null,"Titolo",null,"Canalway Quest : questing lock to lock : take an easy stroll from Lock 29 to Lock 30, learning about canal history / / by Karey Criswell [and] Dixie Loughney ; map created by Emily Bryant"]
[null,null,"Pubbl/distr/stampa",null,"[Peninsula, Ohio?] : , : [Cuyahoga Valley National Park?], , [2012]"]
[null,null,"Descrizione fisica",null,"1 online resource (2 unnumbered pages) : illustration, map"]
[null,null,"Soggetti",null,"Treasure hunting"]
[{"$nulls":4},"Canals - Ohio - History"]
[{"$nulls":4},"National parks and reserves - Ohio"]
[{"$nulls":4},"Canals"]
[{"$nulls":4},"National parks and reserves"]
[{"$nulls":4},"History"]
[{"$nulls":4},"Cuyahoga Valley National Park (Ohio)"]
[{"$nulls":4},"Peninsula (Ohio)"]
[{"$nulls":4},"Ohio and Erie Canal National Heritage Corridor (Ohio)"]
[{"$nulls":4},"Ohio"]
[{"$nulls":4},"Ohio Cuyahoga Valley National Park"]
[{"$nulls":4},"Ohio Ohio and Erie Canal National Heritage Corridor"]
[{"$nulls":4},"Ohio Peninsula"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Title from title screen (viewed on Nov. 20, 2013)."]
[{"$nulls":4},"\"Updated 2012.\""]
[{"$nulls":4},"\"Summit County Section, Cuyahoga Valley National Park, Peninsula.\""]