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# DIFFERENTIAL ANDINTEGRAL EQUATIONS

## Semigroup and integral form of a class of partial differential equations with infinite delay

• Volume 4, 1991, pages 1325-1351

## Global bifurcation analysis of an adaptive control system

• Volume 4, 1991, pages 1353-1374

## On controllability and null controllability of linear systems with distributed delays in the control

• Volume 4, 1991, pages 1375-1389

## Singular third-order boundary value problems

• Volume 4, 1991, pages 1391-1417

## On the existence of optimal controls for a class of nonlinear infinite-dimensional systems

• Volume 4, 1991, pages 1419-1432

## Abstract quasilinear parabolic equations with variable domains

• Volume 4, 1991, pages 1041-1072

## An abstract approach to a class of nonlinear boundary value problems

• Volume 4, 1991, pages 1073-1087

## Monotonicity in time at the single point for the semilinear heat equation with source

• Volume 4, 1991, pages 1089-1099

## Comparison theorems for first order retarded functional-differential equations and their applications

• Volume 4, 1991, pages 1101-1112

## Oscillations of integro-differential equations

• Volume 4, 1991, pages 1113-1120

## On the exact controllability of Kirchoff plates

• Volume 4, 1991, pages 1121-1132

## Existence of solutions of elliptic equations involving critical Sobolev exponents with Neumann boundary condition in general domains

• Volume 4, 1991, pages 1133-1146

## Viability of boundary of the viability kernel

• Volume 4, 1991, pages 1147-1153

## Blow-up points of solutions to elliptic equations with limiting nonlinearity

• Volume 4, 1991, pages 1155-1167

## Approximate inertial manifolds for the sine-Gordon equation

• Volume 4, 1991, pages 1169-1193

## A remark on the stability of steady state motions

• Volume 4, 1991, pages 1195-1207

## Positive solutions of a semilinear elliptic equation and its asymptotic behaviour

• Volume 4, 1991, pages 1209-1216

## Necessary conditions for the convergence and summability of eigenfunction expansions in the complex domain

• Volume 4, 1991, pages 1217-1232

## Noncompact semigroups of operators generated by cell kinetics models

• Volume 4, 1991, pages 1233-1249

## Trotter product formulae for Hamilton-Jacobi equations in infinite dimensions

• Volume 4, 1991, pages 1251-1268

## Permanence for nonautonomous predator-prey systems

• Volume 4, 1991, pages 1269-1280

## Jumping nonlinearities for a nonlinear equation with an $n$th order disconjugate operator

• Volume 4, 1991, pages 1281-1291

## Remarks on semilinear elliptic problems at resonance

• Volume 4, 1991, pages 1293-1302

## On asymptotic stability for linear delay equations

• Volume 4, 1991, pages 1303-1310

## Continuous dependence on modeling in the Cauchy problem for nonlinear elliptic equations

• Volume 4, 1991, pages 1311-1324

## Expansions on generalized eigenvectors of operators arising in the theory of elasticity

• Volume 4, 1991, pages 459-481

## Selections of Lipschitz multifunctions generating a continuous flow

• Volume 4, 1991, pages 483-490

## The sign of Lagrange multiplier for some minimization problem

• Volume 4, 1991, pages 491-492

## Bounded solutions for abstract time-periodic parabolic equations with nonconstant domains

• Volume 4, 1991, pages 493-518

## Exponential asymptotic stability for scalar linear Volterra equations

• Volume 4, 1991, pages 519-525

## On the global well-posedness of the Benjamin-Ono equation

• Volume 4, 1991, pages 527-542

## Existence theorems for second order boundary value problems

• Volume 4, 1991, pages 543-554

## Some comparison principles for weakly coupled systems of elliptic equations

• Volume 4, 1991, pages 555-562

## A general existence and uniqueness theory for implicit differential-algebraic equations

• Volume 4, 1991, pages 563-582

## Uniqueness of the positive solution of $\Delta u+f(u)=0$ in an annulus

• Volume 4, 1991, pages 583-599

## Generalized weights for orthogonal polynomials

• Volume 4, 1991, pages 601-608

## An explicit closed form solution for systems of Volterra integral equations

• Volume 4, 1991, pages 609-616

## Boundary stabilization of two-dimensional Petrovsky equation: vibrating plate

• Volume 4, 1991, pages 617-638

## A mixed type boundary problem describing the propagation of disturbances in viscous media

• Volume 4, 1991, pages 639-646

## Bounds for solutions of integral equations of second type

• Volume 4, 1991, pages 647-652

## A weighted semilinear elliptic equation involving critical Sobolev exponents

• Volume 4, 1991, pages 653-671

## Null controllability of first order quasilinear equations

• Volume 4, 1991, pages 673-681

## Lack of exact controllability for wave and plate equations with finitely many boundary controls

• Volume 4, 1991, pages 683-705

## Maximization on classes of functions with fixed rearrangement

• Volume 4, 1991, pages 707-718

## Nonresonance conditions for the existence, uniqueness, and stability of periodic solutions of differential equations with asymmetric nonlinearities

• Volume 4, 1991, pages 719-730

## A fast diffusion equation which generates a monotone local semiflow. II. Global existence and asymptotic behavior

• Volume 4, 1991, pages 175-187

## A three-point boundary value problem

• Volume 4, 1991, pages 189-194

## Oscillation for selfadjoint second order matrix differential equations

• Volume 4, 1991, pages 195-204

## Integral averages and oscillation of second order sublinear differential equations

• Volume 4, 1991, pages 205-213

## On a logistic equation with piecewise constant arguments

• Volume 4, 1991, pages 215-223

## Feedback controllability of the free boundary of the one phase Stefan problem

• Volume 4, 1991, pages 225-239

## A weak Bernstein method for fully nonlinear elliptic equations

• Volume 4, 1991, pages 241-262

## Interior gradient bounds for the mean curvature equation by viscosity solutions methods

• Volume 4, 1991, pages 263-275

## Uniform stabilization of the Euler-Bernoulli equation with feedback operator only in the Neumann boundary condition

• Volume 4, 1991, pages 277-292

## Propagation of solutions of a nonlinear functional-differential equation

• Volume 4, 1991, pages 293-303

## A class of integrable Hamiltonian systems including scattering of particles on the line with repulsive interactions

• Volume 4, 1991, pages 305-329

## Persistence of invariant tori in systems of coupled oscillators. I. Regular and singular problems

• Volume 4, 1991, pages 331-368

## On the optimal control problems of parabolic equations with an infinite number of variables and with equality constraints

• Volume 4, 1991, pages 369-381

## On periodic solutions of the nonlinear suspension bridge equation

• Volume 4, 1991, pages 383-396

## Existence and uniqueness theorems for a fourth order boundary value problem of Sturm-Liouville type

• Volume 4, 1991, pages 397-410

## Spatial decay results for a class of quasilinear elliptic equations of mode zero

• Volume 4, 1991, pages 411-423

## Oscillation properties of first order nonlinear functional-differential equations of neutral type

• Volume 4, 1991, pages 425-436

## Existence and unicity of solutions of $n$-point boundary value problems

• Volume 4, 1991, pages 437-444

## Minimal solutions of multivalued differential equations

• Volume 4, 1991, pages 445-447

## Quasilinear elliptic problems with measures as data

• Volume 4, 1991, pages 449-457

## Solutions of a nonlinear ODE appearing in the theory of diffusion with absorption

• Volume 4, 1991, pages 1-14

## Liapunov operators and stabilization in strongly order preserving dynamical systems

• Volume 4, 1991, pages 15-24

## Comparison results for elliptic and parabolic equations via symmetrization: a new approach

• Volume 4, 1991, pages 25-50

## A variational approach to approximation of delay systems

• Volume 4, 1991, pages 51-72

## Nonlinear Schroedinger equations with magnetic fields

• Volume 4, 1991, pages 73-88

## On the stability of the zero solution of a one-dimensional mathematical model of viscoelasticity

• Volume 4, 1991, pages 89-101

## On mathematical models of a viscoelasticity with a memory

• Volume 4, 1991, pages 103-115

## Global stability in diffusive delay Lotka-Volterra systems

• Volume 4, 1991, pages 117-128

## Multiplicity results for a semilinear elliptic problem with crossing of multiple eigenvalues

• Volume 4, 1991, pages 129-136

## Time dependent $m$-accretive operators generating differential evolutions

• Volume 4, 1991, pages 137-150

## A fast diffusion equation which generates a monotone local semiflow. I. Local existence and uniqueness

• Volume 4, 1991, pages 151-174

## Eigenvalues of the Orr-Sommerfeld equation

• Volume 4, 1991, pages 731-737

## On systems of ordinary differential equations with measures as controls

• Volume 4, 1991, pages 739-765

## On the inversion of the Lagrange-Dirichlet theorem in a case of nonhomogeneous potential

• Volume 4, 1991, pages 767-782

## An approximation theory for the identification of linear thermoelastic systems

• Volume 4, 1991, pages 783-802

## Asymptotic stability for nonlinear degenerate parabolic equations with Neumann boundary conditions

• Volume 4, 1991, pages 803-816

## Positive solutions to general elliptic competition models

• Volume 4, 1991, pages 817-834

## Existence and uniqueness for the population dynamics with nonlinear diffusion

• Volume 4, 1991, pages 835-850

## Complex-valued time-periodic solutions and breathers of nonlinear wave equations

• Volume 4, 1991, pages 851-859

## On $x’=f(t, x)$ and Henstock-Kurzweil integrals

• Volume 4, 1991, pages 861-868

## A free boundary problem describing an irreversible crystallization process

• Volume 4, 1991, pages 869-882

## Existence theorems for focal boundary value problems

• Volume 4, 1991, pages 883-889

## A singular boundary value problem arising from near-ignition analysis of flame structure

• Volume 4, 1991, pages 891-895

## Inertial manifolds and the slow manifolds in meteorology

• Volume 4, 1991, pages 897-931

## On bifurcation from infinity for potential operators

• Volume 4, 1991, pages 933-943

## On a nonresonance condition for a semilinear elliptic problem

• Volume 4, 1991, pages 945-951

## On a class of singular or degenerate hyperbolic variational inequalities

• Volume 4, 1991, pages 953-975

## Dissipativity conditions and variational principles for the heat flux equation with memory

• Volume 4, 1991, pages 977-989

## Global existence and uniqueness for the Kummer transformation problem subject to non-Cauchy data

• Volume 4, 1991, pages 991-1003

## Conditions for parabolicity of second order abstract differential equations

• Volume 4, 1991, pages 1005-1022

## An application to bifurcation problems of cusps in Banach spaces

• Volume 4, 1991, pages 1023-1040