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Control Systems Described by a Class of Fractional Semilinear Evolution Equations and Their Relaxation Property
Author(s) -
Xiaoyou Liu,
Xi Fu
Publication year - 2012
Publication title -
abstract and applied analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.228
H-Index - 56
eISSN - 1687-0409
pISSN - 1085-3375
DOI - 10.1155/2012/850529
Subject(s) - mathematics , banach space , separable space , regular polygon , constraint (computer aided design) , property (philosophy) , regularization (linguistics) , class (philosophy) , relaxation (psychology) , pure mathematics , mathematical analysis , geometry , computer science , psychology , social psychology , philosophy , epistemology , artificial intelligence
We consider a control system described by a class of fractional semilinear evolution equations in a separable reflexive Banach space. The constraint on the control is a multivalued map with nonconvex values which is lower semicontinuous with respect to the state variable. Along with the original system we also consider the system in which the constraint on the control is the upper semicontinuous convex-valued regularization of the original constraint. We obtain the existence results for the control systems and the relaxation property between thesolution sets of these systems

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