{ "item_title" : "Flat and Curved Space-Times", "item_author" : [" G. F. R. Ellis", "George Francis Rayner Ellis", "R. M. Williams "], "item_description" : "The present book explains special relativity and the basics of general relativity from a geometric viewpoint. Space-time geometry is emphasized throughout, and provides the basis of understanding of the special relativity effects of time dilation, length contraction, and the relativity of simultaneity. Bondi's K-calculus is introduced as a simple means of calculating the magnitudes of these effects, and leads to a derivation of the Lorentz transformation as a way of unifying these results. The invariant interval of flat space-time is generalised to that of curved space-times, and leads to an understanding of the basic properties of simple cosmological models and of the collapse of a star to form a black hole. The appendices enable the advanced student to master the application of four-tensors to the relativistic study of energy and momentum, and of electromagnetism. In addition, this new edition contains up-to-date information on black holes, gravitational collapse, and cosmology.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/0/19/850/656/0198506562_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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