We show that for self-adjoint Jacobi matrices and Schrödinger operators, peturbed by dissipative potentials in l(N) and L(0,∞) respectively, the finite section method does not omit any points of the spectrum. In the Schrödinger case two different approaches are presented. Many aspects of the proofs can be expected to carry over to higher dimensions, particularly for a.c. spectrum. This is the a...

lactobacilli, like the other gut commensal bacteria, are well known for their use in poultry nutrition and for their probiotic properties. however, little is known about their interaction with the gastro-intestinal tract when administered in vivo. to specifically monitor the passage of lactobacilli after administered in hatchery, lactobacillus plantarum was transformed with the recombinant vect...

Organic Electronics is a new branch of electronics where organic materials instead of traditional inorganic elements such as Silicon or germanium are used for making transistors, solar cells, light emitting diodes and other elements. In order to appreciate the benefits offered by this new technology, it is important to understand the history of electronics and how it has transformed our lives. ...

In the transformation semigroup (X, S) we introduce the height of a closed nonempty invariant subset of X, define the transformed dimension of nonempty subset S of X and obtain some results and relations.