{ "item_title" : "Nonlinear Functional Analysis", "item_author" : [" Yuan Rong "], "item_description" : "This book mainly provides the basic theories and methods of nonlinear functional analysis. The content includes Fr chet differentiation, the implicit function theorem, bifurcation problems, Brouwer degree, Leray-Schauder degree, fixed point theorems, topological degree of cone mappings, the global bifurcation theorem, extremum principles, Ekeland's variational principle, the minimax principle, index, and category.It consists of three chapters: Nonlinear Operators on Banach Spaces, Topological Degree Theory, and Variational Methods. Some examples are given to explain the applications of these theories, and each chapter contains exercises.This is a textbook for graduate students and senior undergraduate students.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/9/81/982/581/9819825814_b.jpg", "price_data" : { "retail_price" : "78.00", "online_price" : "78.00", "our_price" : "78.00", "club_price" : "78.00", "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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