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x Examples of Fixed Points Infinite Fixed Points.

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Presentation on theme: "x Examples of Fixed Points Infinite Fixed Points."— Presentation transcript:

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2 x

3 Examples of Fixed Points Infinite Fixed Points

4 Examples of Fixed Points Unique Fixed Point

5 Examples of Fixed Points There is not a Fixed Point

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7 X Metric space T: X  X x y Tx Ty T2xT2x T2yT2y

8 Complete Metric space Contraction mapping Mapping has Unique Fixed point

9 The Error: d (x n, p) ≤ (1 − a) −1 a n d (x 1, x 2 ) ; n ∈ N, a ∈ (0,1) x n+1 =Tx n

10 SpaceMappingIteration Complete Metric space T:X  X Contraction mapping x n+1 =Tx n

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19 Duality pairing

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21 Strictly increasing function Duality pairing

22 Strictly increasing function

23 No

24 Reflexive Banach Space X  X**

25 SpaceMappingIteration Reflexive Banach Space T:X  X  - strongly pseudocontractive Multi – step

26 SpaceMappingIteration Reflexive Banach space T i :X  X  - strongly hemicontractive Multi – step

27 T:C  X C is nonempty convex closed and bounded subset of X

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30 Last result SpacesMappingsIterations Reflexive Banach space T:C  X Nonexpensive One – step

31 SpaceMappingIteration Reflexive Banach space T:C  X  - strongly pseudocontractive One– step

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33 SpacesMappingsIterations Reflexive Banach Space T i :X  X  - strongly hemicontractive Multi – step

34 T i :X  X where i=1,2,…N are  - strongly hemicontractive X be reflexive real Banach space Multi-step iterration {x n }

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37 SpaceMappingIteration Reflexive Banach space T:C  X  - strongly pseudocontractive One– step

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39 T : C  X be  - strongly hemicontractive X be reflexive Banach space one-step iterration {x n }

40 Fixed Point and Iterative Schemes Preliminaries Some Fixed Point Theorem Iterative Schemes

41 Approximation Fixed Points by Multi-step Iteration Scheme Approximation Fixed Points by Modify Multi-step Iteration Scheme Approximation Fixed Points by Modify Multi-step Iteration Scheme Approximation Fixed Point for a system of Nonlinear α-Strongly Hemicontractive Mapping Equations

42 Weakly Inward Mapping: Definition and Some Properties Demiclosed Theorem for α-Strongly Pseudocontractive Mapping Approximation Fixed Point for Nonlinear Non-self α-Strongly Pseudocontractive Mapping Approximation Fixed Point for Nonlinear Non-self α-Strongly Pseudocontractive Mapping

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