Titlebook: Recent Trends in Nonlinear Analysis; Festschrift Dedicate Jürgen Appell Book 2000 Springer Basel AG 2000 Boundary value problem.Nichtlinear

有其法作用

On the Unique Solvability of Hammerstein Integral Equations with Non-Symmetric Kernels,Some elementary results about Hammerstein integral equations with non-symmetric kernels are proved by means of Minty’s monotonicity principle.

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Confidential

Some Geometrical Properties of Rearrangement Invariant Spaces,We study the set of rearrangement invariant spaces with the property that the unit sphere generated by a pair of elements from such a space is a parallelogram, as well as characteristic properties of..and.., in the class of Lorentz spaces. We also investigate a monotonicity property of rearrangement invariant spaces.

违反

Strong Surjections and Nearness,We show that the properties of being strongly surjective or stably solvable (in the sense of Furi-Martelli-Vignoli) carry over to maps which are “near” (in the sense of Campanato).

Carcinoma

Defiance

Some Remarks on a Nonlinear Model of Competitive Equilibrium,We provide an alternative approach to a problem proposed by Scarf and Hansen to characterize a competitive equilibrium in a nonlinear complementary problem.

夸张

Almost Discrete Convergence,We define two notions of convergence which seem to be of some interest, also for their meaning in probability theory, and which, apparently, have not yet been considered explicitly in the literature. We study these notions and compare them with the most familiar notions of convergence.

枪支

Nonlinear Stability of Eigenvalues of Compact Self-Adjoint Operators,Variational methods are used to study the effect of suitably restricted nonlinear perturbations upon the eigenvalues of a compact selfadjoint operator.

Crumple

La valutazione di opzioni implicite nei mutui bancari,We analyze the problem of pricing implicit options embedded in mortgages and provide a general framework which can be extended to other types of implicit contingent claims. In particular, we deal with the problem of pricing.options and. for floating rate mortgages.