نتایج جستجو برای: santella variety
تعداد نتایج: 270290 فیلتر نتایج به سال:
ziba kazemi 1, abolghasem hasanpoor 2* department of horticultural science, agriculture and natural faculty, isfahan (khorasgan) branch, islamic azad university, isfahan, iran iranian plant protection research institut iran tehran * corresponding author email: [email protected] received:5 june 2015 accepted: 21 june 20...
chapter one is devotod to collect some notion and background informations, which are needed in the next chapters. it also contains some important statements which will be proved in a more general context later in this thesis. in chapter two, we show that if the marginal factor-group is of order np1...pk,n>1, then we obtain a bound for the order of the verbal subgroup. also a bound for the bear-...
In recent years, painterly rendering techniques have achieved remarkable success for simulating water color, oil and oriental ink paintings. Many artistic filters, such as [DeCarlo and Santella 2002; Collomosse and Hall 2006] have been proposed for converting real photos into painting style by applying the global operation with minimum user interaction. Although artistic filters are particularl...
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the thesis has been arranged into five chapters and mainly concerned with the baer-invariant of groups which is the generalization of the schur-multiplier with respect to the variety of groups. chapter one is devoted to collect some notation and background information which are needed in the next chapters. its also contains some important statements which will be generalized in this thesis. cha...
this thesis basically deals with the well-known notion of the bear-invariant of groups, which is the generalization of the schur multiplier of groups. in chapter two, section 2.1, we present an explicit formula for the bear-invariant of a direct product of cyclic groups with respect to nc, c>1. also in section 2.2, we caculate the baer-invatiant of a nilpotent product of cyclic groups wuth resp...
Derived varieties were invented by P. Cohn in [4]. Derived varieties of a given type were invented by the authors in [10]. In the paper we deal with the derived variety Vσ of a given variety, by a fixed hypersubstitution σ. We introduce the notion of the dimension of a variety as the cardinality κ of the set of all proper derived varieties of V included in V. We examine dimensions of some varie...
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