Editors' Note: Theory, History, Aplication, and Politics

Editors note

EDITOR’S NOTE Geopersia is published biannually by the College of Science, University of Tehran, Iran. The College of Science published “Journal of Science”, which covered all fields of basic science, from 1968 to 2010. It was then decided that the College’s journals should be more specialized, and hence publication of Geopersia was launched. Geopersia aims to publish peer-reviewed original...

editors note

editor’s note geopersia is published biannually by the college of science, university of tehran, iran. the college of science published “journal of science”, which covered all fields of basic science, from 1968 to 2010. it was then decided that the college’s journals should be more specialized, and hence publication of geopersia was launched. geopersia aims to publish peer-reviewed original res...

Gaussian Belief Propagation: Theory and Aplication

The canonical problem of solving a system of linear equations arises in numerous contexts in information theory, communication theory, and related fields. In this contribution, we develop a solution based upon Gaussian belief propagation (GaBP) that does not involve direct matrix inversion. The iterative nature of our approach allows for a distributed message-passing implementation of the solut...

Guest Editors' Note

The Spring 2013 issue of Global Media Journal American edition focuses on the rapid changes occurring in the "Arab World." In the midst of rapid social and governmental change, as well as the rise and fall of political regimes, personal and social media seem to stay at the forefront. During the initial period of revolution in Egypt, the Mubarak government tried to "turn the internet off." Rathe...

Note from the editors