| |
|
Heat exchange between a conducting plate and the environment is described
here by means of an unknown nonlinear function F of the temperature u. In
this paper we construct a method for recovering F by means of polynomial
expansion, perturbation theory and the toolbox of thermal inverse problems.
We… |
| |
|
A kinetic description is proposed of a fluid species moving in a porous medium and chemically interacting with it. The porosity is included in the model by a modification of the standard kinetic equations for two gaseous species diffusing in a background medium of two solid species. The validity… |
| |
|
We consider a communication system in which a given digital content has to be delivered sequentially at constant rate to a set of users who asynchronously request it according to a Poisson process. Users can retrieve data: 1) from one or more sources that statically store the entire content; and 2… |
| |
|
|
| |
|
In general relativity, relativistic gravity gradiometry involves the measurement of the relativistic tidal matrix, which is theoretically obtained from the projection of the Riemann curvature tensor onto the orthonormal tetrad frame of an observer. The observer's 4-velocity vector defines its local… |
| |
|
A major goal of bioinformatics is the characterization of transcription factors and the transcriptional programs they regulate.
Given the speed of genome sequencing, we would like to quickly annotate regulatory sequences in newly-sequenced
genomes. In such cases, it would be helpful to predict… |
| |
|
We study some numerical properties of a nonconvex variational problem which arises as the continuous limit of a discrete optimization method designed for the smoothing of images with preservation of discontinuities. The functional that has to be minimized fails to attain a minimum value. Instead,… |
| |
|
|
| |
|
A sharp integrability condition on the right-hand side of the p-Laplace system for all its solutions
to be continuous is exhibited. Their uniform continuity is also analyzed and estimates for their modulus
of continuity are provided. The relevant estimates are shown to be optimal as the right-hand… |
| |
|
We investigate invasions from a biological reservoir to an initially empty, heterogeneous habitat in the presence of advection. The habitat consists of a periodic alternation of favorable and unfavorable patches. In the latter the population dies at fixed rate. In the former it grows either with… |
