Critical point theory

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  • Tham khảo sách 'spt 2001 symmetry and perturbation theory', khoa học tự nhiên, toán học phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Hindawi Publishing Corporation Fixed Point Theory and Applications Volume 2011, Article ID 914624, 21 pages doi:10.1155/2011/914624 Research Article Critical Point Theorems and Ekeland Type Variational Principle with Applications Lai-Jiu Lin,1 Sung-Yu Wang,1 and Qamrul Hasan Ansari2 1 2 Department of Mathematics, National Changhua University of Education, Changhua 50058, China Department of Mathematics, Aligarh Muslim University, Aligarh 202 002, Taiwan Correspondence should be addressed to Lai-Jiu Lin,

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  • The diverse materials comprising Impasses of the Post-Global take as their starting point an interrelated, if seemingly endless sequence of current ecological, demographic, socio-political, economic, and informational disasters. These have impacted on the stakes and tenor of cultural criticism as much as they have on tangible relations in the contemporary world. The contributors to the Impasses struggle as valiantly with a rapidly

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  • EIGENVALUE PROBLEMS FOR DEGENERATE NONLINEAR ELLIPTIC EQUATIONS IN ANISOTROPIC MEDIA ˘ DUMITRU MOTREANU AND VICENTIU RADULESCU ¸ Received 23 September 2004 and in revised form 26 November 2004 We study nonlinear eigenvalue problems of the type − div(a(x)∇u) = g(λ,x,u) in RN , where a(x) is a degenerate nonnegative weight. We establish the existence of solutions and we obtain information on qualitative properties as multiplicity and location of solutions.

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  • EXISTENCE OF INFINITELY MANY NODAL SOLUTIONS FOR A SUPERLINEAR NEUMANN BOUNDARY VALUE PROBLEM AIXIA QIAN Received 12 January 2005 We study the existence of a class of nonlinear elliptic equation with Neumann boundary condition, and obtain infinitely many nodal solutions. The study of such a problem is based on the variational methods and critical point theory. We prove the conclusion by using the symmetric mountain-pass theorem under the Cerami condition. 1. Introduction Consider the Neumann boundary value problem: − u + αu = f (x,u), ∂u = 0, ∂ν x ∈ Ω, (1.

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  • We classify the measure theoretic attractors of general C 3 unimodal maps with quadratic critical points. The main ingredient is the decay of geometry. 1. Introduction 1.1. Statement of results. The study of measure theoretical attractors occupied a central position in the theory of smooth dynamical systems in the 1990s. Recall that a forward invariant compact set A is called a (minimal) metric attractor for some dynamics if the basin of attraction B(A) := {x : ω(x) ⊂ A} of A has positive Lebesgue measure and B(A ) has Lebesgue measure zero for every forward invariant compact set...

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  • Research mission: Outline, summarize the main points of feminist theory. Identify the system of female characters and their role in E. Hemingway’s works. From theory “feminist critique”, explains some characteristics of female characters in E. Hemingway’s works. Format E. Hemingway's female characters in American traditional literary. Provide a new approach to E. Hemingway’s works.

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  • Gain a better understanding of how human resources impacts both individuals and organizations with this market-leading, practical text. Snell/Bohlander's popular MANAGING HUMAN RESOURCES, 16TH EDITION builds upon a foundation of research and theory with an inviting, practical framework that focuses on today's most critical HR issues and current practices. The book's engaging writing style and strong visual design use more than 500 memorable examples from a variety of real organizations to illustrate key points and connect concepts to current HR practice.

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  • Marx, it is often assumed, cared only about industrial growth and the development of economic forces. John Bellamy Foster examines Marx's neglected writings on capitalist agriculture and soil ecology, philosophical naturalism, and evolutionary theory. He shows that Marx, known as a powerful critic of capitalist society, was also deeply concerned with the changing human relationship to nature. Marx's Ecology covers many other thinkers, including Epicurus, Charles Darwin, Thomas Malthus, Ludwig Feuerbach, P. J. Proudhon, and William Paley.

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