It is proved that one can choose a control function on an arbitrarilly small open subset of the boundary of an obstacle so that the total radiation from this obstacle for a fixed direction of the incident plane wave and for a fixed wave number will be as small as one wishes. The obstacle is called “invisible” in this case.

This report describes the achievements of the project during 2008. The CultSearcher software has been tested on many agricultural areas in Vestfold County. This has given a broader overview of potential obstacles and important experience for further development of the ring detection algorithms. Some improvements have been implemented in the user interface as well as the detection algorithm, the...

Today, international communication has got a great significance for people around the world. Societies are more concerned with the positive and beneficial relations with other nations. It seems that the need for interrelationship with other communities is moving the world towards globalization. In such a world, 'advertising' is looked upon as a handy instrument to call for others' attention. In...

Development and progress are ideals that always different countries have pursued. Everybody welcomes a developed country with people free from development obstacles. Indeed, realization of such a goal requires developmental planning in national and local scales taking into account the population growth rate, economical, social, cultural, and political problems, and generally, imbalances and dua...

The Institute of Medicine's National Cancer Policy Forum recently convened a workshop on patient-centered cancer treatment planning, with the aim of raising awareness about this important but often overlooked aspect of cancer treatment. A primary goal of patient-centered treatment planning is to engage patients and their families in meaningful, thorough interactions with their health care provi...

background and purpose: physical activity may be classified as intense, moderate, and low. despite their health-related benefits, iranian women have a low rate of physical activity. women face numerous obstacles and challenges for participating in physical activity programs, most notably are household chores and taking caring of children, long distance between home and workplace and the other p...

Brazilian Journal of Cardiovascular Surgery In times of economic crisis, with the government cutting funds in various sectors, including science and technology, with serious consequences in scientific research and, consequently, the production of good articles, periodicals must learn to reinvent themselves in order to be most read/accessed by attracting more interesting studies. To make matters...

since the collapse of the soviet :union: and the declaration of independence by azerbaijan, tehran-baku relations have been generally moving in the right direction with occasional ups and downs over the past two decades. factors such as cultural and historical communalities and the potential for economic cooperation have acted as impetus for the expansion of relations between the two neighbors....