Nonlinear elliptic boundary value problems by Topological degree.- On some class of quasilinear elliptic systems with weak monotonicity.- A sub-supersolutions method for a class of weighted (p(: );q(: )) Laplacian systems.- Boundary Regional Controllability of Linear Boolean Cellular Automata using Markov chain.- Fuzzy solutions for impulsive evolution equations.- Regional strong stabilization and robustness optimal control of semilinear systems.- Solving generalized fractional Schrodinger's equation by mean generalized fixed point.- Relaxed controllability for parabolic linear systems using RHUM approach.- A New Mathematical Model for the Efficiency Calculation.- Minimum energy control of fractional linear systems using Caputo-Fabrizio derivative.- Parametric identification of the dynamics of inter-sectoral balance: modelling and forecasting.- Ekeland's variational principle for the fractional p(x)-Laplacian operator.- Observer-based tracking control design for a class of nonlinear discrete-time systems.- On the output stabilization for a class of infinite dimensional bilinear systems.- Bilinear boundary control problem of an output of parabolic systems.- Optimal Control of a Parabolic Trough Receiver Distributed Model.- Strong and exponential stabilization for a class of second order semilinear systems.- On the fractional output stabilization for a class of infinite dimensional linear systems.- Regional boundary observability with constraints on the state of semilinear parabolic syste