نتایج جستجو برای: dual g frame

تعداد نتایج: 684772  

2005
K M Ajith

We construct dual formulation of linearised gravity in first order tetrad formalism in arbitrary dimensions within the path integral framework following the standard duality algorithm making use of the global shift symmetry of the tetrad field. The dual partition function is in terms of the (mixed symmetric) tensor field Φ[ν1ν2···νd−3]ν in frame-like formulation. We obtain in d-dimensions the d...

Journal: :Journal of High Energy Physics 2021

A bstract We perform a consistent reduction of 6d matter-coupled F(4) supergravity on compact Riemann surface $$ {\Sigma}_{\mathfrak{g}} ? g genus \mathfrak{g} , at the level bosonic action. The result is an \mathcal{N} N = 2 gauged coupled to two vecto...

In this paper, we introduce $(mathcal{C},mathcal{C}')$-controlled continuous $g$-Bessel families and their multipliers in Hilbert spaces and investigate some of their properties. We show that under some conditions sum of two $(mathcal{C},mathcal{C}')$-controlled continuous $g$-frames is a $(mathcal{C},mathcal{C}')$-controlled continuous $g$-frame. Also, we investigate when a $(mathcal{C},mathca...

Journal: :کنترل بیولوژیک آفات و بیماری های گیاهی 0
محبوبه سهرابی دانشجوی سابق کارشناسی ارشد بیماری شناسی گیاهی، دانشگاه شهید باهنر کرمان حمید محمدی استادیار بیماری شناسی گیاهی ، دانشگاه شهید باهنر کرمان امیر حسین محمدی استادیار بیماری شناسی گیاهی ، موسسه تحقیقات پسته کشور

in the present study, the effects of two arbuscular mycorrhizal fungi, glomus mosseae andglomus intraradices, alone and in combination, on the growth parameters, chlorophyll and the root-rot disease of pea (pisum sativum) caused by fusarium solani f.sp. pisi were evaluated under greenhouse conditions. eight different treatments in four replications were designed in randomized blocks. compared w...

Journal: :Adv. Comput. Math. 2007
Peter L. Søndergaard

By sampling the window of a Gabor frame for L(R) belonging to Feichtinger’s algebra, S0(R), one obtains a Gabor frame for l(Z). In this article we present a survey of results by R. Orr and A.J.E.M. Janssen and extend their ideas to cover interrelations among Gabor frames for the four spaces L(R), l(Z), L([0, L]) and C. Some new results about general dual windows with respect to sampling and per...

2017
Benxin Zhang Zhibin Zhu

In this study, we introduce a primal-dual prediction-correction algorithm framework for convex optimization problems with known saddle-point structure. Our unified frame adds the proximal term with a positive definite weighting matrix. Moreover, different proximal parameters in the frame can derive some existing well-known algorithms and yield a class of new primal-dual schemes. We prove the co...

Journal: :Ann. Pure Appl. Logic 2006
Martín Hötzel Escardó

We say that a Hausdorff locale is compactly generated if it is the colimit of the diagram of its compact sublocales connected by inclusions. We show that this is the case if and only if the natural map of its frame of opens into the second Lawson dual is an isomorphism. More generally, for any Hausdorff locale, the second dual of the frame of opens gives the frame of opens of the colimit. In or...

Journal: :Mathematische Nachrichten 2023

Given an arbitrary sequence of elements ξ = { n } ∈ N $\xi =\lbrace \xi _n\rbrace _{n\in \mathbb {N}}$ a Hilbert space ( H , ⟨ · ⟩ ) $(\mathcal {H},\langle \cdot ,\cdot \rangle )$ the operator T $T_\xi$ is defined as associated to sesquilinear form Ω f g ∑ $\Omega _\xi (f,g)=\sum {N}} \langle _n\rangle _n g\rangle$ for h : | 2 < ∞ $f,g\in \lbrace h\in \mathcal {H}: \sum {N}}|\langle |^2<\infty ...

2012
Felix Krahmer Jakob Lemvig

Frame theory is closely intertwined with signal processing by providing a canon of methodologies for the analysis of signals using (redundant) linear measurements. The dual frame associated with a frame then provides a means for reconstruction by a least squares approach. The novel paradigm of sparsity entered this area lately in various ways. Of those, in this survey paper, we will focus on th...

2012
Margo L Barr Jason J van Ritten David G Steel Sarah V Thackway

BACKGROUND In Australia telephone surveys have been the method of choice for ongoing jurisdictional population health surveys. Although it was estimated in 2011 that nearly 20% of the Australian population were mobile-only phone users, the inclusion of mobile phone numbers into these existing landline population health surveys has not occurred. This paper describes the methods used for the incl...

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