نتایج جستجو برای: prufer domain

تعداد نتایج: 405794  

Journal: :Eventos Pedagógicos 2022

Esse artigo aborda o tema Transtorno de Déficit Atenção e Hiperatividade (TDAH), com objetivo compreender, quais as dificuldades a criança esse transtorno enfrenta na pré-escola. Os autores que contribuíram pesquisa foram Ana Beatriz Barbosa Silva Alexandre Prufer Queiroz Campos Araujo. A foi realizada por meio entrevistas duas professoras da rede municipal Sinop/MT no ano 2022. Segundo análise...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده منابع طبیعی 1391

چکیده ارتباط بین عوامل محیطی با گونه های گیاهی همیشه یک موضوع اصلی در اکولوژی گیاهی بوده است. تعیین این روابط کمی هسته اصلی مدلسازی پیش بینی پراکنش مکانی بالقوه گونه های گیاهی به شمار می رود. این مدل ها به منظور کسب اطلاعات درباره پراکنش مکانی گونه ها، شناسایی زیستگاههای مناسب و ارزیابی آثار تغییر اقلیم در پراکنش مکانی گونه ها به کار گرفته می شوند. از اهداف این مطالعه، شناسایی عوامل محیطی موثر...

2002
Yasuhiro Tsujimura Mitsuo Gen Admi Syarif

The nonlinear side constraint transportation problem (nscTP) arises when we want to find the reasonable assignment strategy to satisfy the source and destination requirement without shipping goods from sources to any pairs of prohibited destinations simultaneously so that the total cost can be minimized. With this side constraint, the difficulty of the problem increase significantly and it beco...

2006
Richard Harvey Michael L. Gargano

We consider the problem of finding minimal edge-ordered spanning trees where the edge costs are not fixed, but are time dependent[7]. We propose using multiple genomic redundant representations in a selfadapting genetic algorithm (GA) employing various codes with different locality properties. These encoding schemes (e.g., permutation codes and prufer-like codes) either insure feasibility or re...

Journal: :IEEE transactions on systems, man, and cybernetics. Part B, Cybernetics : a publication of the IEEE Systems, Man, and Cybernetics Society 2000
Chi-Chun Lo Wei-Hsin Chang

The capacitated multipoint network design problem (CMNDP) is NP-complete. In this paper, a hybrid genetic algorithm for CMNDP is proposed. The multiobjective hybrid genetic algorithm (MOHGA) differs from other genetic algorithms (GAs) mainly in its selection procedure. The concept of subpopulation is used in MOHGA. Four subpopulations are generated according to the elitism reservation strategy,...

In this paper we characterize the radical of an arbitrary‎ ‎submodule $N$ of a finitely generated free module $F$ over a‎ ‎commutatitve ring $R$ with identity‎. ‎Also we study submodules of‎ ‎$F$ which satisfy the radical formula‎. ‎Finally we derive‎ ‎necessary and sufficient conditions for $R$ to be a‎ ‎Pr$ddot{mbox{u}}$fer domain‎, ‎in terms of the radical of a‎ ‎cyclic submodule in $Rbigopl...

Journal: :iranian journal of biotechnology 2013
changiz eslahchi

background: protein-protein interactions do not provide any direct information re­garding the domains within the proteins that mediate the interactions. the majority of proteins are multi domain proteins and the interaction between them is often defined by the pairs of their domains. most of the former studies focus only on interacting do­main pairs. however they do not consider the interaction...

Journal: :bulletin of the iranian mathematical society 0
r. nekooei department of pure‎ ‎mathematics‎, ‎faculty of mathematics and computer, shahid bahonar‎ ‎university‎ ‎of kerman‎, ‎p.o. box 76169133, kerman‎, ‎iran. f. mirzaei department of pure‎ ‎mathematics‎, ‎faculty of mathematics and computer, shahid bahonar‎ ‎university‎ ‎of kerman‎, ‎p.o. box 76169133, kerman‎, ‎iran.

in this paper we characterize the radical of an arbitrary‎ ‎submodule $n$ of a finitely generated free module $f$ over a‎ ‎commutatitve ring $r$ with identity‎. ‎also we study submodules of‎ ‎$f$ which satisfy the radical formula‎. ‎finally we derive‎ ‎necessary and sufficient conditions for $r$ to be a‎ ‎pr$ddot{mbox{u}}$fer domain‎, ‎in terms of the radical of a‎ ‎cyclic submodule in $rbigopl...

Journal: :bulletin of the iranian mathematical society 2011
p. sahandi

let $d$ be an integral domain and $star$ a semistar operation stable and of finite type on it. we define the semistar dimension (inequality) formula and discover their relations with $star$-universally catenarian domains and $star$-stably strong s-domains. as an application, we give new characterizations of $star$-quasi-pr"{u}fer domains and um$t$ domains in terms of dimension ine...

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