‎Let $V$ be an $n$-dimensional complex inner product space‎. ‎Suppose‎ ‎$H$ is a subgroup of the symmetric group of degree $m$‎, ‎and‎ ‎$chi‎ :‎Hrightarrow mathbb{C} $ is an irreducible character (not‎ ‎necessarily linear)‎. ‎Denote by $V_{chi}(H)$ the symmetry class‎ ‎of tensors associated with $H$ and $chi$‎. ‎Let $K(T)in‎ (V_{chi}(H))$ be the operator induced by $Tin‎ ‎text{End}(V)$‎. ‎Th...

the specific geographical situation of iran places the country among the areas which encounter with deficiency of iodine. such deficiency induces some disorders which vary in different ages. because of high risk of some of these disorders, iodine prophylaxis seems to be important. some authors believe that the prevalence rate of goiter and measurement of iodine in students can be the best way f...

it is found for the last two decades that there has been a rapid rise of ppps across the world. a government in developing countries like india is using ppp arrangements for improved delivery of infrastructure services and social services. public private partnerships which are an integral part of the new paradigm of good governance policy is the most recent addition in the world of society and ...

In this paper, we present a new method of digital steganography, entitled spread spectrum image steganography (SSIS). Steganography, which means "covered writing" in Greek, is the science of communicating in a hidden manner. Following a discussion of steganographic communication theory and review of existing techniques, the new method, SSIS, is introduced. This system hides and recovers a messa...

effectiveness and success of agricultural advisory services companies happen by continuing studies on the problems and then, eliminating them. the purpose of this research was to study problems of agricultural engineering and technical advisory services companies. the statistical population of this study included administrators of agricultural engineering and technical advisory services compani...