نتایج جستجو برای: representations

تعداد نتایج: 95597  

صدیقه دلدار, ,

  The potentials between static sources in various representations in SU(3) are calculated on the basis of the fat-centre-vortices model of Faber, Greensite and Olejník. At intermediate distances, potentials are in qualitative agreement with “Casimir scaling,” which says that the string tension is proportional to the quadratic operator of the representation. At large distances, screening occurs...

Let $G$ be a tamely ramified reductive $p$-adic‎ ‎group‎. ‎We study distinction of a class of irreducible admissible representations‎ ‎of $G$ by the group of fixed points $H$ of an involution‎ ‎of $G$‎. ‎The representations correspond to $G$-conjugacy classes of‎ ‎pairs $(T,phi)$‎, ‎where $T$ is a‎ ‎tamely ramified maximal torus of $G$ and $phi$ is a quasicharacter‎ ‎of $T$ whose restriction t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1390

w. a. dudek, m. shahryari, representation theory of polyadic groups, algebra and representation theory, 2010. و a. borowiec, w. a. dudek, s. duplij, bi-element representations of ternary groups, comminications in algebra 34 (2006). هدف اصلی این پایان نامه، معرفی نمایش های گروه های n-تایی و بررسی ویژگی های اصلی آن ها با تمرکز روی گروه های سه تایی است.

Journal: :bulletin of the iranian mathematical society 2011
m. shahryari

in this article, we introduce monomial irreducible representations of the special linear lie algebra $sln$. we will show that this kind of representations have bases for which the action of the chevalley generators of the lie algebra on the basis elements can be given by a simple formula.

رضا طیبی, ,

  Stretching and bending normal vibrations of AB2(C2v), AB3(D3h), AB4(D4h), and AB5(D3h) molecules are described by correlating the vibrational displacement vectors of the attached atoms with the standard representations of s, p and d atomic orbitals of the central atom in ABn(n=2-5) molecules. It is found that stretching and bending normal vibrations of simple molecules accord with probability...

Mohammad Nabi Karimi, Mostafa Nazari,

Knowledge representation, defined as the way individuals structure their knowledge and cognitive processing of events and the associated sense-making processes, is believed to influence teachers’ reasoning/thinking skills. While extensively researched in mainstream teacher education, this line of inquiry is essentially lacking in the L2 teacher education literature. To fill some of the void, th...

2002
Simon Johnston

Using the formalism of Hamaker et al. (1996), I derive a method for the polarization calibration of observations made with a single radio telescope. This method is particularly appropriate for observations of pulsars, where the sign and magnitude of the circular polarization are useful for understanding the emission processes at work. I apply the method to observations of PSR J1359–6038 made us...

2012

Densities in molten KCl, RbCI, T1C1, KC1-T1C1 and RbCl -TlCl at various temperatures (t °C) were measured to within ±0.1% by iridium pyknometry. For the pure melts the results fit empirical equations of the form Q=a—bt . The molar volumes at the melting points were derived and tested against other melting-point data for thermodynamic consistency. In the mixtures the volumes deviate from additiv...

2000
Gerhard Buchalla Gudrun Hiller Gino Isidori

The rare decays B ! K `` , B ! K )  and Bs ! + are analyzed in a generic scenario where New Physics e ects enter predominantly via Z penguin contributions. We show that this possibility is well motivated on theoretical grounds, as the sbZ vertex is particularly susceptible to non-standard dynamics. In addition, such a framework is also interesting phenomenologically since the sbZ coupling is r...

Journal: :Kybernetes 2014
Ana B. Casado-Díaz Juan Luis Nicolau Felipe Ruiz-Moreno Ricardo Sellers

Purpose – This study examines the relationships between a firm’s CSR activities and its performance and risk. We hypothesize that industry-level effects are highly determinant of the sign and magnitude of these relationships to establish a ranking of industries to identify the position of the most prominent tourism-related industries: hotels and airlines. Based on the cybernetic model of decisi...

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