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# DIFFERENTIAL ANDINTEGRAL EQUATIONS

## A semigroup approach to the time dependent parabolic initial-boundary value problem

• Volume 5, 1992, pages 1275-1306

## Pontryagin maximum principle for semilinear second order elliptic partial differential equations and variational inequalities with state constraints

• Volume 5, 1992, pages 1307-1334

## Existence results for some nonlinear parabolic equations with nonregular data

• Volume 5, 1992, pages 1335-1354

## Some remarks on Stein’s $L log L$ result

• Volume 5, 1992, pages 1355-1362

## On the structure of separatrix-swept regions in singularly-perturbed Hamiltonian systems

• Volume 5, 1992, pages 1363-1381

## Semilinear evolution equations with singularities in ordered Banach spaces

• Volume 5, 1992, pages 1383-1405

## Bounded perturbations with multiple delays of forced harmonic oscillators at resonance

• Volume 5, 1992, pages 1407-1418

## Periodic solutions of nonautonomous second order systems with superlinear terms

• Volume 5, 1992, pages 1419-1424

## Resonance oscillations of wave equations

• Volume 5, 1992, pages 1425-1433

## Nonlocal dispersive equations in weighted Sobolev spaces

• Volume 5, 1992, pages 307-338

## Semilinear boundary value problems at resonance with general nonlinearities

• Volume 5, 1992, pages 339-355

## Destabilization by output feedback

• Volume 5, 1992, pages 357-386

## On pairs of positive solutions for a class of sub-superlinear elliptic problems

• Volume 5, 1992, pages 387-392

## Some stability results for perturbed semilinear parabolic equations

• Volume 5, 1992, pages 393-403

## A functional equation from cell kinetics

• Volume 5, 1992, pages 405-420

## Maximum norm in one-dimensional hyperbolic problems

• Volume 5, 1992, pages 421-432

## A generalized derivative for calm and stable functions

• Volume 5, 1992, pages 433-454

## Viability for upper semicontinuous differential inclusions without convexity

• Volume 5, 1992, pages 455-459

## p-symmetries of two-dimensional p-f vector fields

• Volume 5, 1992, pages 461-480

## On the equivalence of Green functions of second order elliptic equations in $\mathbb{R}^n$

• Volume 5, 1992, pages 481-493

## Nontrivial solutions of nonlinear equations from simple eigenvalues and their stability

• Volume 5, 1992, pages 495-508

## Convergence theorems for integrated semigroups

• Volume 5, 1992, pages 509-520

## Optimal regularity, exact controllability and uniform stabilization of Schrödinger equations with Dirichlet control

• Volume 5, 1992, pages 521-535

## Stability properties for solutions of general Euler-Lagrange systems

• Volume 5, 1992, pages 537-552

## Remarks on the number of positive solutions for a class of nonlinear elliptic problems

• Volume 5, 1992, pages 553-560

## A note on a semilinear elliptic problem

• Volume 5, 1992, pages 561-565

## Identification of nonlinear terms in boundary value problems related to ordinary differential equations

• Volume 5, 1992, pages 567-579

## On extremal solutions of an elliptic boundary value problem involving discontinuous nonlinearities

• Volume 5, 1992, pages 581-589

## On the solvability of $n$th order boundary value problems between two eigenvalues

• Volume 5, 1992, pages 591-613

## Perron’s method for monotone systems of second-order elliptic partial differential equations

• Volume 5, 1992, pages 1-24

## Nodal solutions of semilinear elliptic equations with critical exponent

• Volume 5, 1992, pages 25-42

## An existence theorem for a parabolic free boundary problem

• Volume 5, 1992, pages 43-54

## Positive periodic solutions of Lotka-Volterra reaction-diffusion systems

• Volume 5, 1992, pages 55-72

## Steady and evolution Stokes equations in a porous media [medium] with nonhomogeneous boundary data: a homogenization process

• Volume 5, 1992, pages 73-93

## Positive solutions of elliptic nonpositone problems

• Volume 5, 1992, pages 95-101

## Regularization of partial collisions in the $N$-body problem

• Volume 5, 1992, pages 103-136

## Regularity of pointwise boundary control systems

• Volume 5, 1992, pages 137-148

## Qualitative behavior of the solutions of periodic first order scalar differential equations with weakly concave nonlinearity

• Volume 5, 1992, pages 149-164

## Periodic bouncing for a forced linear spring with obstacle

• Volume 5, 1992, pages 165-172

## Weak flow-invariance for nonconvex differential inclusions

• Volume 5, 1992, pages 173-180

## On a steady state free boundary problem arising in combustion theory

• Volume 5, 1992, pages 181-191

## A contraction semigroup generated by a pseudo-differential operator

• Volume 5, 1992, pages 193-200

## Volterra integro-differential inequality and asymptotic criteria

• Volume 5, 1992, pages 201-212

## Poincaré-Bendixson theory for certain retarded functional-differential equations

• Volume 5, 1992, pages 213-240

## Global existence for a thermodynamically consistent model of phase field type

• Volume 5, 1992, pages 241-253

## On a hyperbolic equation of high order in a Banach space

• Volume 5, 1992, pages 255-260

## Control of a plate equation with large memory

• Volume 5, 1992, pages 261-279

## Behavior of directions of solutions of differential equations

• Volume 5, 1992, pages 281-305

## Principal pairs of solutions of linear second order oscillatory differential equations

• Volume 5, 1992, pages 945-960

## Some basic facts for a class of degenerate parabolic equations

• Volume 5, 1992, pages 961-972

## Flat blow-up in one-dimensional semilinear heat equations

• Volume 5, 1992, pages 973-997

## Uniqueness for viscosity solutions of quasilinear elliptic equations in ${\bf R}^N$ without conditions at infinity

• Volume 5, 1992, pages 999-1016

## Qualitative behaviour of an epidemics model

• Volume 5, 1992, pages 1017-1032

## Convex control problems for hereditary systems

• Volume 5, 1992, pages 1033-1040

## Log-concavity of the principal eigenfunction of a linear periodic-parabolic eigenvalue problem

• Volume 5, 1992, pages 1041-1048

## The concept of value in differential games of survival and viscosity solutions of Hamilton-Jacobi equations

• Volume 5, 1992, pages 1049-1068

## On semilinear evolution equations with many Lyapunov functionals

• Volume 5, 1992, pages 1069-1088

## Energy decay for Dirichlet problems in irregular domains with quadratic Hamiltonian

• Volume 5, 1992, pages 1089-1109

## An example of a blow-up sequence for $-\Delta u = V(x) e^u$

• Volume 5, 1992, pages 1111-1114

## Homoclinic orbits for a class of Hamiltonian systems

• Volume 5, 1992, pages 1115-1120

## Uniform decay rates for the solutions to the Euler-Bernoulli plate equation with boundary feedback acting via bending moments

• Volume 5, 1992, pages 1121-1150

## Regularity properties of the evolution operator for abstract linear parabolic equations

• Volume 5, 1992, pages 1151-1184

## A model of wave propagation in a nonlinear superconducting dielectric

• Volume 5, 1992, pages 1185-1199

## Nonlinear second-order elliptic equations with jump discontinuous coefficients. I. Quasilinear equations

• Volume 5, 1992, pages 1201-1217

## Intermediate Schauder theory for second order parabolic equations. IV. Time irregularity and regularity

• Volume 5, 1992, pages 1219-1236

## The blow-up behavior of the solution of an integrodifferential equation

• Volume 5, 1992, pages 1237-1245

## On nonuniqueness of viscosity solutions

• Volume 5, 1992, pages 1247-1265

## On some conditions for existence of forced periodic oscillations

• Volume 5, 1992, pages 1267-1273

## A spectral theorem for reversible second order equations with periodic coefficients

• Volume 5, 1992, pages 615-629

## On Huygens’ principle and perturbed elastic waves

• Volume 5, 1992, pages 631-646

## On nonlinear Volterra equations in Hilbert spaces

• Volume 5, 1992, pages 647-669

## The monotonicity method and free vibrations of extensible beams

• Volume 5, 1992, pages 671-681

## Degenerate semilinear parabolic equations

• Volume 5, 1992, pages 683-691

## Almost-periodic attractors for a class of nonautonomous reaction-diffusion equations on $\mathbb{R}^N$. II. Codimension-one stable manifolds

• Volume 5, 1992, pages 693-720

## The nonlinear Schrödinger limit and the initial layer of the Zakharov equations

• Volume 5, 1992, pages 721-745

## Existence and nonexistence of positive solutions of nonlinear elliptic systems and the biharmonic equation

• Volume 5, 1992, pages 747-767

## A probabilistic approach to Volterra equations in Banach spaces

• Volume 5, 1992, pages 769-776

## Nonlinear scalar field equations

• Volume 5, 1992, pages 777-792

## Forced secondary bifurcation in an elliptic boundary value problem

• Volume 5, 1992, pages 793-804

## Convergence results for Hamilton-Jacobi-Bellman equations in variable domains

• Volume 5, 1992, pages 805-816

## A note on a continuation principle for compact perturbations of the identity

• Volume 5, 1992, pages 817-820

## A representation formula for the solutions to operator Riccati equation

• Volume 5, 1992, pages 821-829

## Smooth symmetry breaking bifurcation for functional-differential equations

• Volume 5, 1992, pages 831-854

## Steady-state solutions of Maxwell’s equations over a three-dimensional conducting half space

• Volume 5, 1992, pages 855-870

## Differentiability of the optimal cost function in pointwise control

• Volume 5, 1992, pages 871-889

## Long time behavior of solutions of the generalized Benjamin-Bona-Mahony equation in two space dimensions

• Volume 5, 1992, pages 891-901

## Global breaking of symmetry of positive solutions on two-dimensional annuli

• Volume 5, 1992, pages 903-913

## A regularity theory for a more general class of quasilinear parabolic partial differential equations and variational inequalities

• Volume 5, 1992, pages 915-944