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Overview"According to Grothendieck, the notion of topos is ""the bed or deep river where come to be married geometry and algebra, topology and arithmetic, mathematical logic and category theory, the world of the continuous and that of discontinuous or discrete structures"". It is what he had ""conceived of most broad to perceive with finesse, by the same language rich of geometric resonances, an ""essence"" which is common to situations most distant from each other, coming from one region or another of the vast universe of mathematical things"". The aim of this book is to present a theory and a number of techniques which allow to give substance to Grothendieck's vision by building on the notion of classifying topos educed by categorical logicians. Mathematical theories (formalized within first-order logic) give rise to geometric objects called sites; the passage from sites to their associated toposes embodies the passage from the logical presentation of theories to their mathematical content, i.e. from syntax to semantics. The essential ambiguity given by the fact that any topos is associated in general with an infinite number of theories or different sites allows to study the relations between different theories, and hence the theories themselves, by using toposes as 'bridges' between these different presentations. The expression or calculation of invariants of toposes in terms of the theories associated with them or their sites of definition generates a great number of results and notions varying according to the different types of presentation, giving rise to a veritable mathematical morphogenesis." Full Product DetailsAuthor: Olivia Caramello (Mathematician, Mathematician, Università degli Studi dell'Insubria, Como, Italy)Publisher: Oxford University Press Imprint: Oxford University Press Dimensions: Width: 16.40cm , Height: 2.70cm , Length: 23.60cm Weight: 0.712kg ISBN: 9780198758914ISBN 10: 019875891 Pages: 382 Publication Date: 21 December 2017 Audience: College/higher education , Professional and scholarly , Undergraduate , Postgraduate, Research & Scholarly Format: Hardback Publisher's Status: Active Availability: To order  Stock availability from the supplier is unknown. We will order it for you and ship this item to you once it is received by us. Table of Contents1: Topos-theoretic background 2: Classifying toposes and the 'bridge' technique 3: A duality theorem 4: Lattices of theories 5: Flat functors and classifying toposes 6: Theories of presheaf type: general criteria 7: Expansions and faithful interpretations 8: Quotients of a theory of presheaf type 9: Examples of theories of presheaf type 10: Some applicationsReviewsThe book is systematic, developing the subject from its very categorical beginning, assuming just the basic notions of category theory and a familiarity with first-order logic. This is a research monograph, but a dedicated reader would certainly profit from it. * Felipe Zaldivar, MAA Reviews * Author InformationOlivia Caramello is a mathematician working as Assistant Professor at the Università degli Studi dell'Insubria in Como. Her research focuses on investigating the role of Grothendieck toposes as unifying spaces in Mathematics and Logic. Her main contribution has been the development of methods and techniques for transferring information between distinct mathematical theories by using toposes. After obtaining her Ph.D. in Mathematics at the University of Cambridge, she worked as a post-doctoral researcher at the Centro di Ricerca Matematica Ennio De Giorgi of the Scuola Normale Superiore (Pisa), Jesus College, Cambridge, the Max Planck Institute for Mathematics (Bonn), IHES, and as a Marie Curie Fellow at the Université de Paris VII and the Università degli Studi di Milano. She was awarded a L'Oréal-Unesco fellowship for Women in Science in 2014. Tab Content 6Author Website:Countries AvailableAll regions |
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