Recent findings indicate that heterochromatin serves as a molecular sink for factors involved in chromatin-mediated repression of gene expression; long-range interactions that position a euchromatic gene near a heterochromatin domain influence its susceptibility to transcriptional silencing.
A fixed-point theorem for compact acyclic maps defined on convex subsets of not-necessarily locally convex topological vector spaces is applied to the existence of solutions of quasi-equilibrium problems. Such existence theorems extend known ones which were used for unified approaches to quasi-variational inequalities in [1–5] and others.
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Requiring a controlled system to be decoupled may increase some performance costs, however, decoupling may be desirable from an applied perspective. This paper gives an explicit quantification of decoupling Babyliss Pro Stockists Uk costs in terms of the average quadratic tracking error. The analysis exploits the parametrisation of all decoupling controllers, together with Wiener–Hopf frequency domain techniques.