An excellent meeting

An Introduction to Excellent Classes

In this paper, we present Shelah’s theory of excellence concluding with his categoricity theorem for the class of atomic models of a countable first order theory, under the assumption that there exists a large full model. This allows us to do the entire work within ZFC and without any assumption on the number of models of size א1, in contrast to Shelah’s original treatment.

Academic Excellent Educators: A Student Election or an Administrator Selection?

Dear Editor in chief Each year, Iranian university authorities, as a good tradition on Teacher’s Day, choose and introduce their top educators to their academic community. Undoubtedly, this effort is a good action, generally leading to effective promotion of the educational system. However, the criteria for these selections are always a matter of big debate. In overview, an academic excellent...

An Excellent Permutation Operator for Cryptographic Applications

Permutations are a core component of almost every cipher. No matter if we consider the DES [5], AES [2] or most of the other encryption algorithms [6] relevant nowadays, we always find permutation operators as essential building blocks inside. In this contribution we will introduce key-dependent permutation operators of provably excellent quality inspired by chaotic Kolmogorov flows [1, 4]. Fro...

Niosomes: an Excellent Tool for Drug Delivery

Design and development of novel drug delivery system (NDDS) has two prerequisites. First, it should deliver the drug in accordance with a predetermined rate and second it should release therapeutically effective amount of drug at the site of action. Conventional dosage forms are unable to meet these requisites. Niosomes are essentially non-ionic surfactant-based multilamellar or unilamellar ves...

Lotio Liquor Sodæ Chlorinatæ. An Excellent Dressing