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  1. Article

    Open Access

    Regularity for Solutions of Second-Order Nonlinear Integrodifferential Functional Equations

    We deal with the well-posedness for solutions of nonlinear integrodifferential equations of second-order in Hilbert spaces by converting the problem into the contraction map** principle with more general con...

    Dong-Gun Park, **-Mun Jeong, Han-Geul Kim in Journal of Inequalities and Applications (2010)

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  2. No Access

    Article

    Regularity for semilinear nonlocal problems with boundary input maps

    In this paper, we establish the well-posedness of solutions and regularity properties for the boundary control systems with nonlocal conditions with the aid of an intermediate property and the contraction mapp...

    Dong-Gun Park, **-Mun Jeong, Han-Geul Kim in Journal of Dynamical and Control Systems (2009)

  3. Article

    Regular Problems for Semilinear Hyperbolic Type Equations

    In this paper we establish the wellposedness and regularity properties of solutions of Cauchy problems for semilinear hyperbolic equations of second order with unbounded principal operators. An example illustr...

    Dong-Gun Park, **-Mun Jeong, Han-Geul Kim in Nonlinear Differential Equations and Appli… (2009)

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  4. Article

    Open Access

    Regularity of Parabolic Hemivariational Inequalities with Boundary Conditions

    We prove the regularity for solutions of parabolic hemivariational inequalities of dynamic elasticity in the strong sense and investigate the continuity of the solution map** from initial data and forcing te...

    Dong-Gun Park, **-Mun Jeong, Sun Hye Park in Journal of Inequalities and Applications (2009)

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