Robby Gardner, one of the organizers of this Summer Research Institute, passed away on May 5, 19981. Robby led an extremely active mathematical life producing more than fifty papers, three books, eighteen masters students and thirteen Ph.D students. He seemed to spend a sizeable fraction of every year traveling to conferences and meetings around the world. I was continually amazed by the number...

this article aims at identifying the factors involved in affecting the travel demand to iran. the hypothesis of the research specifies the variable of “domestic social unrest and insecurity” as the most significant obstacle that stands against an expansion of the demand for travel to iran. to test the above hypothesis, first several demand models that have been proposed to study demand for tour...

Introduction: It has been known for a long time in the French-speaking, but not the English-speaking literature that travel can exacerbate pre-existing psychosis. The purpose of this article was to review the literature on this subject and present recommendations for prevention. Methods: For this narrative review of the literature on travel risks in indivi...

Introduction. In Finno-Ugric studies, as well in Komi linguistics, the language of fiction is insufficiently studied, including functions toponyms prose. At beginning XX century Russia, writer Kallistrat Falaleevich Zhakov was widely known. same time, he also studied and linguistics. The onomastic material works by K. F. has not yet attracted attention researchers his works, although toponymic ...

Introduction: Today the market of medical tourism is growing as one of the competitive and profitable industries in the world. The aim of this study was to determine medical tourist attraction in Tehran hospitals. Methods: This is a descriptive study which was carried out in 8 hospitals of Tehran in 2012. 195 people from the managing boards of these hospi...

Demand for air travel has increased over the years and so have airport delays and congestion. Delays have a huge impact on airline costs and influence the satisfaction of passengers, thus becoming an important topic of research in the field of air transportation. In recent literature, a Passenger Delay Calculator (PDC) was proposed to estimate passenger delays. The PDC computes passenger delays...