TY - JOUR AU - Díaz Díaz, Jesús Ildefonso AU - Bejenaru, Ioan AU - Vrabie, Ioan I. PY - 2001 SN - 1072-6691 UR - https://hdl.handle.net/20.500.14352/56995 T2 - Electronic Journal of Differential Equations AB - The authors obtain an approximate controllability result for the nonlinear equation $y'+Ay+F(t,y)y=h(t)$ with the initial condition $y(0)=x$, where $x$ is the control and $A$ generates a $C_0$-semigroup in a Hilbert space. The Schauder fixed point... LA - eng M2 - 1 PB - Texas State University, Department of Mathematics KW - Approximate controllability KW - Evolution equation KW - Parabolic problem KW - Elliptic problem KW - Dynamic boundary conditions KW - Nonlinear equation KW - Initial condition control KW - Schauder fixed point theorem TI - An abstract approximate controllability result and applications to elliptic and parabolic systems with dynamic boundary conditions TY - journal article ER -