Equadiff IV: Proceedings, Prague, August 22-26, 1977: Lecture Notes in Mathematics, cartea 703

Invariant sets for semilinear parabolic and elliptic systems.- On the numerical solution of nonlinear partial differential equations on divergence form.- Application of the averaging method for the solution of boundary problems for ordinary differential and integro-differential equations.- Solution set properties for some nonlinear parabolic differential equations.- Asymptotic invariant sets of autonomous differential equations.- Algebraic methods in the theory of global properties of the oscillatory equations Y?=Q(t)Y.- Stability problems in mathematical theory of viscoelasticity.- On the branching of solutions and Signorini's perturbation procedure in elasticity.- Differential subspaces associated with pairs of ordinary differential operators.- Control and the Van der Pol equation.- On properties of spectral approximations.- Singular perturbations and linear feedback control.- On some inverse problems for partial differential equations.- Nonlinear noncoercive boundary value problems.- On the iterative solution of some nonlinear evolution equations.- Exponential representation of solutions of ordinary differential equations.- The Rayleigh and Van der Pol wave equations, some generalizations.- The Dirichlet problem.- Multiple solutions of some asymptotically linear elliptic boundary value problems.- Dual finite element analysis for some unilateral boundary value problems.- Gradient alternating-direction methods.- Nonlinear parabolic boundary value problems with the time derivative in the boundary conditions.- Variational and boundary value problems for differential equations with deviating argument.- On a general conception of duality in optimal control.- Boundary value problems for systems of nonlinear differential equations.- Boundary behavior of potentials.- Somemodifications of sobolev spaces and non-linear boundary value problems.- Some problems in neutron transport theory.- On formulation and solvability of boundary value problems for viscous incompressible fluids in domains with non-compact boundaries.- Boundary value problems at resonance for vector second order nonlinear ordinary differential equations.- Behaviour of solutions to the dirichlet problem for the biharmonic operator at a boundary point.- Asymptotic methods for singularly perturbed linear differential equations in Banach spaces.- Non linear quasi variational inequalities and stochastic impulse control theory.- On the regularity of weak solutions to variational equations and inequalities for nonlinear second order elliptic systems.- The solution of parabolic models by finite element space and A-stable time discretization.- Global properties of the nth order linear differential equations.- A forced quasilinear wave equation with dissipation.- Energetic estimates analogous to the Saint-Venant principle and their applications.- A priori bounds for a semilinear wave equation.- The method of least squares on the Boundary and very weak solutions of the first biharmonic problem.- Application of bounded operators and Lyapunov's majorizing equations to the analysis of differential equations with a small parameter.- On linear problems in the space BV.- A partially ordered space connected with the de la Vallée poussin problem.- Abstract Cauchy problem.- Solution of symmetric positive systems of differential equations.- Some problems concerning the functional differential equations.- A-stability and numerical solution of abstract differential equations.- Mapping properties of regular and strongly degenerate elliptic differential operators in the besov spaces B p,p s(?). The case 0<p<?.- A new definition and some modifications of Filippov cone.