In this article, we show that every rational map whose multipliers all lie in a given number field is power map, Chebyshev or Lattès map. This strengthens conjecture by Milnor concerning maps with integer multipliers, which was recently proved Ji and Xie.

In recent years, a broad academic consensus has arisen around the use of rational expectations sticky-price models to capture inflation dynamics. These models are seen as providing an empirically reasonable characterization of observed inflation behavior once suitable measures of the output gap are chosen; and, moreover, are perceived to be robust to the Lucas critique in a way that earlier eco...

The development of fair and practical policies for shared content online is a primary goal of the access control community. Multi-party access control, in which access control policies are determined by multiple users each with vested interest in a piece of shared content, remains an outstanding challenge. Purposeful or accidental disclosures by one user in an online social network (OSN) may ha...

delphi as a consensus development technique enables anonymous, systematic refinement of expert opinion with the aim of arriving at a combined or consensual position. in this study, we determined the criteria and their weights for iranian medical schools' ranking through a delphi process. an expert committee devised 13 proposed criteria with 32 indicators with their weights, which were arranged ...

conclusions affordable new hcv treatment regimens are available in iran, providing an opportunity for hcv elimination. recommendations provided in this current national guideline can facilitate evidence-based management of hcv infection. results pegylated interferon alpha (pegifn), ribavirin (rbv), sofosbuvir (sof), ledipasvir (ldv) and daclatasvir (dcv) are currently available in iran. pre-tre...