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Toeplitz and Translation Operators on the q-Fock Spaces 被引量:1
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作者 Fethi Soltani 《Advances in Pure Mathematics》 2011年第6期325-333,共9页
In this work, we introduce a class of Hilbert spaces Fq of entire functions on the disk , , with reproducing kernel given by the q-exponential function eq(z);and we prove some properties concerning Toeplitz operators ... In this work, we introduce a class of Hilbert spaces Fq of entire functions on the disk , , with reproducing kernel given by the q-exponential function eq(z);and we prove some properties concerning Toeplitz operators on this space. The definition and properties of the space extend naturally those of the well-known classical Fock space. Next, we study the multiplication operator Dq by and the q-Derivative operator on the Fock space Fq;and we prove that these operators are adjoint-operators and continuous from this space into itself. Lastly, we study a generalized translation operators and a Weyl commutation relations on Fq . 展开更多
关键词 q-Fock Spaces q-Exponential Function q-derivative operator q-Translation operatorS q-Toeplitz operatorS q-Weyl Commutation Relations
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关于q-近于凸函数类的泛函不等式
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作者 买廷梅 龙品红 +1 位作者 韩惠丽 李风军 《纯粹数学与应用数学》 2023年第1期113-131,共19页
研究了经典的近于凸函数类,根据解析函数从属原理和q-导算子定义了开单位圆盘中q-近于凸函数类,然后利用解析函数展开式系数比较法估算q-近于凸函数前几项系数a_(2)和a_(3)以及a_(4).进而得到相应的二阶Hankel行列式H_(2)(2),二阶和三阶... 研究了经典的近于凸函数类,根据解析函数从属原理和q-导算子定义了开单位圆盘中q-近于凸函数类,然后利用解析函数展开式系数比较法估算q-近于凸函数前几项系数a_(2)和a_(3)以及a_(4).进而得到相应的二阶Hankel行列式H_(2)(2),二阶和三阶Toeplitz行列式T_(2)(2),T_(3)(1)和Feteke-Szegö不等式泛函上界估计. 展开更多
关键词 q-导算子 q-近于凸函数 Hankel行列式 Toeplitz行列式 Fekete-Szegö不等式
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A q-operational equation and the Rogers-Szegő polynomials
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作者 Zhiguo Liu 《Science China Mathematics》 SCIE CSCD 2023年第6期1199-1216,共18页
By solving a q-operational equation with formal power series,we prove a new q-exponential operational identity.This operational identity reveals an essential feature of the Rogers-Szegő polynomials and enables us to d... By solving a q-operational equation with formal power series,we prove a new q-exponential operational identity.This operational identity reveals an essential feature of the Rogers-Szegő polynomials and enables us to develop a systematic method to prove the identities involving the Rogers-Szegő polynomials.With this operational identity,we can easily derive,among others,the q-Mehler formula,the q-Burchnall formula,the q-Nielsen formula,the q-Doetsch formula,the q-Weisner formula,and the Carlitz formula for the Rogers-Szegő polynomials.This operational identity also provides a new viewpoint on some other basic q-formulas.It allows us to give new proofs of the q-Gauss summation and the second and third transformation formulas of Heine and give an extension of the q-Gauss summation. 展开更多
关键词 q-SERIES q-derivative q-operational equation q-exponential operator Rogers-Szegőpolynomial
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q–differ-integral operator on p–valent functions associated with operator on Hilbert space
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作者 Shahram Najafzadeh 《Applied Mathematics(A Journal of Chinese Universities)》 SCIE CSCD 2023年第3期458-466,共9页
Making use of multivalent functions with negative coefficients of the type f (z)=z^(p)-~(∑)_(k=p+1)^(∞)a_(k)z^(k),which are analytic in the open unit disk and applying the q-derivative a q–differintegral operator i... Making use of multivalent functions with negative coefficients of the type f (z)=z^(p)-~(∑)_(k=p+1)^(∞)a_(k)z^(k),which are analytic in the open unit disk and applying the q-derivative a q–differintegral operator is considered.Furthermore by using the familiar Riesz-Dunford integral,a linear operator on Hilbert space H is introduced.A new subclass of p-valent functions related to an operator on H is defined.Coefficient estimate,distortion bound and extreme points are obtained.The convolution-preserving property is also investigated. 展开更多
关键词 multivalent function fractional qderivative operator fractional q–integral operator Hilbert space coefficient estimate distortion bound extreme point convolution(or Hadamard product)
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(p,q)-Analogue of Mittag-Leffler Function with(p,q)-Laplace Transform
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作者 Alok Jain Altaf Ahmad Bhat +1 位作者 Renu Jain Deepak Kumar Jain 《Analysis in Theory and Applications》 CSCD 2022年第3期351-360,共10页
The aim of this paper is to define(p,q)-analogue of Mittag-Leffler Function,by using(p,q)-Gamma function.Some transformation formulae are also derived by using the(p,q)-derivative.The(p,q)-analogue for this function p... The aim of this paper is to define(p,q)-analogue of Mittag-Leffler Function,by using(p,q)-Gamma function.Some transformation formulae are also derived by using the(p,q)-derivative.The(p,q)-analogue for this function provides elegant generalization of q-analogue of Mittag-Leffler function in connection with q-calculus.Moreover,the(p,q)-Laplace Transform of the Mittag-Leffler function has been obtained.Some special cases have also been discussed. 展开更多
关键词 (p q)-analogue of Mittag-Leffler function (p q)-Gamma function q-CALCULUS (p q)-derivative operator (p q)-Laplace transform
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