نتایج جستجو برای: frame theory

تعداد نتایج: 871931  

1998
S. M. Kopeikin

The determination of velocities of stars from precise Doppler measurements is described here using relativistic theory of astronomical reference frames so as to determine the Keplerian and post-Keplerian parameters of binary systems. Seven reference frames are introduced: (i) proper frame of a particle emitting light, (ii) the star-centered reference frame, (iii) barycentric frame of the binary...

2011
Joseph L. Austerweil Abram L. Friesen Thomas L. Griffiths

The object people perceive in an image can depend on its orientation relative to the scene it is in (its reference frame). For example, the images of the symbols × and + differ by a 45 degree rotation. Although real scenes have multiple images and reference frames, psychologists have focused on scenes with only one reference frame. We propose an ideal observer model based on nonparametric Bayes...

2006
DAVID TEMPERLEY

While the concept of the perceptual “pitch frame” resembles leading theories of pitch structure in music in some respects, it contains some innovative elements that are discussed in this commentary. Additionally, the commentary focuses on the question of whether the “pitch frame” is a temporal or atemporal construct. Submitted 2006 April 12; accepted 2006 April 19.

2002
Francesca Polletta

Political process theories of social movements have relied on a set of oppositions between culture and structure that has limited their capacity to capture the supraindividual, durable, and constraining dimensions of culture. The solution is not to abandon an emphasis on "objective" political structures in favor of potential insurgents' "subjective" perceptions of political opportunities, but r...

2012
RYAN HOTOVY DAVID R. LARSON

We investigate frame theory over the binary field Z2, following work of Bodmann, Le, Reza, Tobi and Tomforde. We consider general finite dimensional vector spaces V over Z2 equipped with an (indefinite) inner product (·, ·)V which can be an arbitrary bilinear functional. We characterize precisely when two such spaces (V, (·, ·)V ) and (W, (·, ·)W ) are unitarily equivalent in the sense that the...

The effect of increasing quantum bits and Unruh effect on quantum Prisoners’ dilemma has been investigated for both entangled and unentangled initial states. The Nash equilibrium, as an important result of quantum game theory, was obtained through the different payoffs resulted from choosing various strategies. It has been shown that the non-inertial frame disturbs the symmetry of the game. Act...

Journal: :bulletin of the iranian mathematical society 2011
m. r. abdollahpour a. najati

in this paper we introduce and study besselian $g$-frames. we show that the kernel of associated synthesis operator for a besselian $g$-frame is finite dimensional. we also introduce $alpha$-dual of a $g$-frame and we get some results when we use the hilbert-schmidt norm for the members of a $g$-frame in a finite dimensional hilbert space.

1999
Mauricio Contreras Jorge Zanelli

The formulation of gravity in 3 + 1 dimensions in which the spin connection is the basic field (ω-frame) leads to a theory with first and second class constraints. Here, the Dirac brackets for the second class constraints are evaluated and the Dirac algebra of first class constraints is found to be the usual algebra associated to space-time reparametrizations and tangent space rotations. This e...

پایان نامه :0 1374

this thesis is going to delineate the concept of the reader as implied in 18th century literary theory; based on the study of the major reader oriented elements of criticism of the age-taste, the sublime, and aesthetic pleasure-its aim is to explain what sott of reader is implied and what kind of response on the part of the reader is proposed in 18th century english literary theory and aestheti...

Background A growing body of public management literature sheds light on potential shortcomings to quality improvement (QI) and performance management efforts. These challenges stem from heuristics individuals use when interpreting data. Evidence from studies of citizens suggests that individuals’ evaluation of data is influenced by the linguistic framing or context of that information an...

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