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对偶对(U(1),U(1,n))意义下的辛表示及其不可约分解
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作者 代金刚 范兴亚 《新疆大学学报(自然科学版中英文)》 CAS 2024年第3期279-287,共9页
考虑了对偶对(U(1), U(1, n))下的辛表示的不可约分解问题.主要的想法是构造两个李群SL(2, R)和U(1, n)表示的缠结算子,将对应的表示空间分解为不可约SL(2, R)×U(1, n)-模.以Fourier-Poisson变换作为主要工具,并结合此变换的Planch... 考虑了对偶对(U(1), U(1, n))下的辛表示的不可约分解问题.主要的想法是构造两个李群SL(2, R)和U(1, n)表示的缠结算子,将对应的表示空间分解为不可约SL(2, R)×U(1, n)-模.以Fourier-Poisson变换作为主要工具,并结合此变换的Plancherel公式,得到了辛表示的谱分解. 展开更多
关键词 辛表示 缠结算子 Plancherel公式 对偶对
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对数Bloch型空间上的积分型算子的缠绕关系
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作者 韩学红 曾红刚 《四川大学学报(自然科学版)》 CAS CSCD 北大核心 2019年第4期595-599,共5页
本文研究对数Bloch型空间上的复合算子Cφ对一类积分型算子Ig的缠绕关系,给出了Cφ(紧的)缠绕Ig和Ih的等价条件.
关键词 对数Bloch型空间 缠绕关系 复合算子 积分型算子
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Harmonic Analysis Associated with the Heckman-Opdam-Jacobi Operator on R^(d+1)
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作者 Fida Bahba Rabiaa Ghabi 《Analysis in Theory and Applications》 CSCD 2022年第4期417-438,共22页
In this paper we consider the Heckman-Opdam-Jacobi operatorΔ_(H J)on R^(d+1).We define the Heckman-Opdam-Jacobi intertwining operator V_(H J),which turns out to be the transmutation operator betweenΔ_(H J)and the La... In this paper we consider the Heckman-Opdam-Jacobi operatorΔ_(H J)on R^(d+1).We define the Heckman-Opdam-Jacobi intertwining operator V_(H J),which turns out to be the transmutation operator betweenΔ_(H J)and the LaplacianΔ_(d+1).Next we construct^(t)V_(H J)the dual of this intertwining operator.We exploit these operators to develop a new harmonic analysis corresponding toΔ_(H J). 展开更多
关键词 Heckman-Opdam-Jacobi operator generalized intertwining operator and its dual generalized Fourier transform generalized translation operators.
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Bimodule and twisted representation of vertex operator algebras
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作者 JIANG QiFen JIAO XiangYu 《Science China Mathematics》 SCIE CSCD 2016年第2期397-410,共14页
In this paper, for a vertex operator algebra V with an automorphism g of order T, an admissible V-module M and a fixed nonnegative rational number n ∈1/T Z_+, we construct an A_(g,n)(V)-bimodule Ag,n(M) and study its... In this paper, for a vertex operator algebra V with an automorphism g of order T, an admissible V-module M and a fixed nonnegative rational number n ∈1/T Z_+, we construct an A_(g,n)(V)-bimodule Ag,n(M) and study its properties, discuss the connections between bimodule A_(g,n)(M) and intertwining operators. Especially, bimodule A _(g,n)-1T(M) is a natural quotient of A_(g,n)(M) and there is a linear isomorphism between the space IM^k M Mjof intertwining operators and the space of homomorphisms HomA_(g,n)(V)(A_(g,n)(M) A_(g,n)(V)M^j(s), M^k(t)) for s, t ≤ n, M^j, M^k are g-twisted V modules, if V is g-rational. 展开更多
关键词 BIMODULE g-twisted module vertex operator algebra intertwining operator fusion rules
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The Commutants of the Dunkl Operators on <i>ε</i>(R<sup>d</sup>)
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作者 Mohamed Sifi Fethi Soltani 《Advances in Pure Mathematics》 2012年第4期274-297,共24页
We consider the harmonic analysis associated with the Dunkl operators on Rd. We study the Dunkl mean-periodic functions on the space ε(Rd) (the space of C∞-functions). We characterize also the continuous linear mapp... We consider the harmonic analysis associated with the Dunkl operators on Rd. We study the Dunkl mean-periodic functions on the space ε(Rd) (the space of C∞-functions). We characterize also the continuous linear mappings from ε(Rd) into itself which commute with the Dunkl operators. 展开更多
关键词 Dunkl operatorS on Rd C∞-Functions on Rd Dunkl intertwining operator Mean-Periodic Functions Continuous Linear MAPPINGS
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上三角算子矩阵Weyl型定理的稳定性判定
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作者 殷俊强 曹小红 《中国科学院大学学报(中英文)》 CAS CSCD 北大核心 2013年第5期591-597,共7页
称算子T满足a-Browder定理,若σa(T)\σea(T)■π00a(T),其中σa(T)和σea(T)分别表示算子T的逼近点谱和本质逼近点谱,和π00a(T)={λ∈isoσa(T),0<dimN(T-λI)<∞}.若σa(T)\σea(T)=π00a(T),则称算子T满足a-Weyl定理.利用上... 称算子T满足a-Browder定理,若σa(T)\σea(T)■π00a(T),其中σa(T)和σea(T)分别表示算子T的逼近点谱和本质逼近点谱,和π00a(T)={λ∈isoσa(T),0<dimN(T-λI)<∞}.若σa(T)\σea(T)=π00a(T),则称算子T满足a-Weyl定理.利用上三角算子矩阵中主对角线上的算子的半Fredholm域的特征,研究上三角算子矩阵a-Browder定理和a-Weyl定理在紧摄动下的稳定性. 展开更多
关键词 上三角算子矩阵 a-Browder定理 紧摄动 渐近纠缠算子 半Fredholm域
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