In this work, we study scheduling sports competitions at multiple venues, a problem recently introduced by Urban and Russell [T.L. Urban, R.A. Russell, Scheduling sports competitions on multiple venues, European Journal of Operational Research 148 (2003) 302–311]. The distinguishing feature of the problem is that venues come into play when scheduling. We develop beam search and simulated anneal...

the study of philosophers’ educational ideas and thought is one of the common research interested in the area of educational philosophy and is an introduction to their critiques. in this article, through an analytic- descriptive method, russell’s philosophical reflections are introduced and the educational viewpoints of this outstanding philosopher and mathematician of twentieth century are exa...

A 15-year-old male boy with hemihypertrophy (left side) of the body was admitted in the hospital with the history of repeated attacks of convulsion. The patient was diagnosed as Silver-Russell syndrome on clinical ground. Silver-Russell syndrome (SRS) is a very rare genetic disorder that appears no later than early childhood. This is usually characterized by asymmetry in the size of the two hal...