linear operator

In the present paper, we have established sufficient conditions for Gaus-sian hypergeometric functions to be in certain subclass of analytic univalent functions in the unit disc $mathcal{U}$. Furthermore, we investigate several mapping properties of Hohlov linear operator for this subclass and also examined an integral operator acting on hypergeometric functions.

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Linear programming and operator means

Journal: :Advances in Applied Mathematics 1989

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الحاق های عملگرهای ترکیبی کسری خطی روی فضای دیریکله

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1387

غلامرضا بازیار, بهرام خانی رباطی,

چکیده ندارد.

15 صفحه اول

Index theory for linear selfadjoint operator equations and nontrivial solutions for asymptotically linear operator equations

Journal: :Calculus of Variations and Partial Differential Equations 2009

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on the relations between the point spectrum of a and invertibility of i + f(a)b

Journal: :bulletin of the iranian mathematical society 0

h. larki islamic azad university, parand branch a. riazi amirkabir university of technology

let a be a bounded linear operator on a banach space x. we investigate the conditions of existing rank-one operator b such that i+f(a)b is invertible for every analytic function f on sigma(a). also we compare the invariant subspaces of f(a)b and b. this work is motivated by an operator method on the banach space ell^2 for solving some pdes which is extended to general operator space under some ...

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