{ "item_title" : "Noncommutative Cosmology", "item_author" : [" Marcolli Matilde "], "item_description" : "Modified gravity models play an important role in contemporary theoretical cosmology. The present book proposes a novel approach to the topic based on techniques from noncommutative geometry, especially the spectral action functional as a gravity model. The book discusses applications to early universe models and slow-roll inflation models, to the problem of cosmic topology, to non-isotropic cosmologies like mixmaster universes and Bianchi IX gravitational instantons, and to multifractal structures in cosmology.Relations between noncommutative and algebro-geometric methods in cosmology is also discussed, including the occurrence of motives, periods, and modular forms in spectral models of gravity.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/9/81/320/283/9813202831_b.jpg", "price_data" : { "retail_price" : "105.00", "online_price" : "105.00", "our_price" : "105.00", "club_price" : "105.00", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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