نتایج جستجو برای: g frame operator

تعداد نتایج: 625475  

1998
P. Caban J. Rembieliński

In this paper the relativistic quantum mechanics is considered in the framework of the nonstandard synchronization scheme for clocks. Such a synchronization preserves Poincaré covariance but (at least formally) distinguishes an inertial frame. This enables to avoid the problem of a noncausal transmision of information related to breaking of the Bell's inequalities in QM. Our analysis has been f...

2001
Volker Runde Nico Spronk

In this paper, we investigate, for a locally compact groupG, the operator amenability of the Fourier-Stieltjes algebra B(G) and of the reduced Fourier-Stieltjes algebra Br(G). The natural conjecture is that any of these algebras is operator amenable if and only if G is compact. We partially prove this conjecture with mere operator amenability replaced by operator C-amenability for some constant...

2002
SANJIV KUMAR GUPTA

with the norm ‖f‖Aq = ‖f‖L1 +‖f̂‖lq . Then Aq(G) is a commutative semisimple Banach algebra with maximal ideal space Γ , in which the set of trigonometric polynomials is dense [4]. The Ap-spaces have been studied in [1, 6]. If G is, in addition, a connected group, then its dual can be ordered; there exists a semigroup P ⊂ Γ such that P∩−P = {0}, P∪−P = Γ (see [5]), and we say that γ ∈ Γ is posit...

2011
Abdolaziz Abdollahi Elham Rahimi

In this paper we show that every g-frame for a Hilbert space H can be represented as a linear combination of two g-orthonormal bases if and only if it is a g-Riesz basis. We also show that every g-frame can be written as a sum of two tight g-frames with g-frame bounds one or a sum of a g-orthonormal basis and a g-Riesz basis for H . We further give necessary and sufficient conditions on g-Besse...

2015
N.Chandra Sekhar V.Purandhar Reddy

A Novel Degraded Video Enhancement N.Chandra Sekhar, V.Purandhar Reddy PG Student SVCE, Tirupati, India. Associate Professor, SVCE, Tirupati ,India. _________________________________________________________________________ ABSTRACT: We show an illustration based way to deal with general upgrade of degraded video frames. The technique depends on building a lexicon with non-debased parts of the V...

Journal: :Frontiers in Astronomy and Space Sciences 2023

In this short note we show how the Generalised Uncertainty Principle (GUP) and Extended (EUP), two of most common generalised uncertainty relations proposed in quantum gravity literature, can be derived within context canonical theory, without need for modified commutation relations. A GUP-type relation naturally emerges when standard position operator is replaced by an appropriate Positive Ope...

2007
Aditya Mavlankar David Chen Sameh Zakhary Markus Flierl Bernd Girod

The Laplacian pyramid (LP) provides a frame expansion. Thus, there exist infinitely many synthesis operators which achieve perfect reconstruction in the absence of quantization. However, if the subbands are quantized in the open-loop mode then the dual frame synthesis operator, which is the pseudo-inverse of the analysis operator, minimizes the mean squared error (MSE) in the reconstruction. No...

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