نتایج جستجو برای: group generators

تعداد نتایج: 1000141  

Journal: :Proceedings of the Japan Academy, Series A, Mathematical Sciences 1995

H. Akrami M. Lotfi Sh. Shojaeian,

Given the substitution process of generators using renewable energy sources instead of conventional generators in modern power systems, this paper proposes a Monte Carlo based method to determine an optimal level of this change. At first, LOLE index of the system was calculated without wind power to obtain the reference index. Then, the wind turbine units are replaced with the conventional gene...

2013

We discuss the group theory relevant to the ground-state baryons in large Nc QCD. For very large representation, the group generators become classical variables. We find the form of the classical generators for the completely symmetric N index representation of SU(m) as N → ∞ and derive an integral formula for the matrix elements of an arbitrary polynomial in the group generators between low-sp...

2013

We discuss the group theory relevant to the ground-state baryons in large Nc QCD. For very large representation, the group generators become classical variables. We find the form of the classical generators for the completely symmetric N index representation of SU(m) as N → ∞ and derive an integral formula for the matrix elements of an arbitrary polynomial in the group generators between low-sp...

2013

We discuss the group theory relevant to the ground-state baryons in large Nc QCD. For very large representation, the group generators become classical variables. We find the form of the classical generators for the completely symmetric N index representation of SU(m) as N → ∞ and derive an integral formula for the matrix elements of an arbitrary polynomial in the group generators between low-sp...

2003
Martin Dimitrov Kassabov Efim Zelmanov

On the Automorphism Tower of Free Nilpotent Groups Martin Dimitrov Kassabov 2003 In this thesis I study the automorphism tower of free nilpo-tent groups. Our main tool in studying the automorphism tower is to embed every group as a lattice in some Lie group. Using known rigidity results the automorphism group of the discrete group can be embedded into the automorphism group of the Lie group. Th...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم انسانی 1392

this study investigated the impact of explicit instruction of morphemic analysis and synthesis on the vocabulary development of the students. the participants were 90 junior high school students divided into two experimental groups and one control group. morphological awareness techniques (analysis/synthesis) and conventional techniques were used to teach vocabulary in the experimental groups a...

Journal: :international journal of smart electrical engineering 2013
reza ilka yousef alinejad-beromi hossein asgharpour-alamdari hamid yaghobi

permanent magnet synchronous generators (pmsgs) are novel generators which can be used in high-performance wind farms. high efficiency and flexibility in producing electricity from variable rotation make them good candidate for wind power applications. furthermore, because these kinds of generators have no excitation winding, there is no copper loss on rotor; hence, they can operate at high pow...

2005
Alexander I. Bufetov ALEXANDER I. BUFETOV

Let (X, ν) be a probability space and suppose a free group Fm withm generators acts on (X, ν) by measure-preserving transformations. Let {a1, . . . , am} be a set of free generators for Fm and let T1, . . . , Tm : X → X be transformations corresponding to the generators. Write T−i = T −1 i for i = 1, . . . ,m, and set A = {−m, . . . ,−1, 1, . . . ,m}. We also have the action Fm on L1(X, ν), def...

2006
Tatsuro Ito Paul Terwilliger

Recently B. Hartwig and the second author found a presentation for the three-point sl2 loop algebra via generators and relations. To obtain this presentation they defined an algebra ⊠ by generators and relations, and displayed an isomorphism from ⊠ to the three-point sl2 loop algebra. We introduce a quantum analog of ⊠ which we call ⊠q. We define ⊠q via generators and relations. We show how ⊠q ...

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