نتایج جستجو برای: dual two direction frames

تعداد نتایج: 2697639  

Journal: :journal of linear and topological algebra (jlta) 2013
m. s asgari g kavian

in this paper we study the duality of bessel and g-bessel sequences in hilbertspaces. we show that a bessel sequence is an inner summand of a frame and the sum of anybessel sequence with bessel bound less than one with a parseval frame is a frame. next wedevelop this results to the g-frame situation.

Journal: :Communications, Faculty Of Science, University of Ankara Series A1Mathematics and Statistics 2010

Journal: :Archiv der Mathematik 2014

Journal: :bulletin of the iranian mathematical society 2012
azadeh alijani mohammad ali dehghan

abstract. certain facts about frames and generalized frames (g- frames) are extended for the g-frames for hilbert c*-modules. it is shown that g-frames for hilbert c*-modules share several useful properties with those for hilbert spaces. the paper also character- izes the operators which preserve the class of g-frames for hilbert c*-modules. moreover, a necessary and suffcient condition is ob- ...

We introduced the continuous and discrete $p$-adic shearlet systems. We restrict ourselves to a brief description of the $p$-adic theory and shearlets in real case. Using the group $G_p$ consist of all $p$-adic numbers that all of its elements have a square root, we defined the continuous $p$-adic shearlet system associated with $L^2left(Q_p^{2}right)$. The discrete $p$-adic shearlet frames for...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1390

this study investigated the functions, types and frequencies of code switching in the teachers and students discourse in elt classrooms. to this end, the participants of this study including two groups of teachers and students were selected. the first group of participants were two efl teachers teaching general english courses (at two different levels of proficiency) in an institutional program...

Journal: :Revista IBRACON de Estruturas e Materiais 2023

abstract: This paper presents a comparative study of the influence shear walls on behavior multi-storey concrete building when subjected to seismic actions. Two structures with different earthquake-resistant systems were evaluated. One is composed frames usual detailing in both directions (x and y), other one formed by dual system, detailing. The Equivalent Lateral Force procedure Modal Respons...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و زبانهای خارجی 1390

the frame semantic theory is a nascent approach in the area of translation studies which goes beyond the linguistic barriers and helps us to incorporate cognitive and cultural factors to the study of translation. based on rojos analytical model (2002b), which centered in the frames or knowledge structures activated in the text, the present research explores the various translation problems that...

Journal: :bulletin of the iranian mathematical society 0
a. arefijammal department of mathematics and computer sciences‎, ‎hakim sabzevari university‎, ‎sabzevar‎, ‎iran. e. zekaee department of mathematics‎, ‎shahrood university of‎ ‎technology‎, ‎shahrood‎, ‎iran.

‎we present an application of the dual gabor frames to image‎ ‎processing‎. ‎our algorithm is based on finding some dual gabor‎ ‎frame generators which reconstructs accurately the elements of the‎ ‎underlying hilbert space‎. ‎the advantages of these duals‎ ‎constructed by a polynomial of gabor frame generators are compared‎ ‎with their canonical dual‎.

Journal: :Journal of Inequalities and Applications 2019

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