18,181 research outputs found
An Explicit and Simple Relationship Between Two Model Spaces
An explicit and simple correspondence, between the basis of the model space
of on one hand and that of or on the
other, is exhibited for the first time. This is done by considering the
generating functions for the basis vectors of these model spaces.Comment: RevTex 3.0, 21 pages, no figure
An Auxiliary 'Differential Measure' for
A 'differential measure' is used to cast our calculus for the group
into a form similar to Schwinger's boson operator calculus for the group
. It is then applied to compute (i) the inner product between the basis
states and (ii) an algebraic formula for the Clebsch-Gordan coefficients. These
were obtained earlier by us using Gaussian integration techniques.Comment: RevTex 3.0, 30 pages, no figures; Latex error correcte
Weyl's Character Formula for - A Generating Function Approach
Using a generating function for the Wigner's -matrix elements of
Weyl's character formula for is derived using Schwinger's technique.Comment: RevTex 3.0, 30 pages, no figure
Thinning Algorithm Using Hypergraph Based Morphological Operators
The object recognition is a complex problem in the image processing.
Mathematical morphology is Shape oriented operations, that simplify image data,
preserving their essential shape characteristics and eliminating irrelevancies.
This paper briefly describes morphological operators using hypergraph and its
applications for thinning algorithms. The morphological operators using
hypergraph method is used to preventing errors and irregularities in skeleton,
and is an important step recognizing line objects. The morphological operators
using hypergraph such as dilation, erosion, opening, closing is a novel
approach in image processing and it act as a filter remove the noise and errors
in the images.Comment: Advance Computing Conference (IACC), 2015 IEEE International,Banglore
Indi
Disk Scheduling: Selection of Algorithm
The objective of this paper is to take some aspects of disk scheduling and
scheduling algorithms. The disk scheduling is discussed with a sneak peak in
general and selection of algorithm in particular.Comment: 9 pages; http://www.ijascse.in/publications-2012--
A Calculus for Leading to an Algebraic Formula for Clebsch-Gordan Coefficients
We develop a simple computational tool for analogous to Bargmann's
calculus for . Crucial new inputs are, (i) explicit representation of
the Gelfand-Zetlin basis in terms of polynomials in four variables and positive
or negative integral powers of a fifth variable (ii) an auxiliary Gaussian
measure with respect to which the Gelfand-Zetlin states are orthogonal but not
normalized (iii) simple generating functions for generating all basis states
and also all invariants. As an illustration of our techniques, an algebraic
formula for the Clebsch-Gordan coefficients is obtained for the first time.
This involves only Gaussian integrations. Thus is made as accessible
for computations as is.Comment: RevTex 3.0, 104 pages, one figure. To Appear in J.M.
On the Polarization of non-Guassian optical quantum field: higher-order optical-polarization
Polarization of light signifies transversal, anisotropic and asymmetrical
statistical property of electromagnetic radiation about direction of
propagation. Traditionally, optical-polarization is characterized by Stokes
theory susceptible to be insufficient in assessing polarization structure of
optical quantum fields and, also, does not decipher twin characteristic
polarization parameters (ratio of real amplitudes and difference in phases). An
alternative way, in spirit of classical description of optical-polarization, is
introduced which can be generalized to deal higher-order polarization of
quantum light, particularly, prepared in non-Guassian Schrodinger Cat or
Cat-like states and entangled bi-modal coherent states. On account of pseudo
mono-modal or multi-modal nature of such optical quantum field, higher-order
polarization is seen to be highly sensitive to the basis of description.Comment: 15 pages, To appear in Annals of Physic
The Large Sieve Inequality for Quadratic Polynomial Amplitudes
We provide here a modest improvement upon a large sieve inequality for
quadratic polynomial amplitudes orginally due to Liangyi Zhao.Comment: 7 pages comments welcom
Degree of Polarization in Quantum Optics through second generalization of Intensity
Classical definition of degree of polarization is expressed in quantum domain
by replacing intensities through quantum mechanical average values of relevant
number operators and is viewed as first generalization of Intensity. This
definition assigns inaccurately the unpolarized status to some typical optical
fields such as amplitude coherent phase randomized and hidden polarized, which
are not truly unpolarized light. The apparent paradoxical trait is circumvented
by proposing a new definition of degree of polarization in Quantum Optics
through second generalization of Intensity. The correspondence of new degree of
polarization to usual degree of polarization in Quantum Optics is established.
It is seen that the two definitions disagree significantly for intense optical
fields but coincides for weak light (thermal light) or for optical fields in
which occupancy of photons in orthogonal mode is very feeble. Our proposed
definition of degree of polarization, similar to other proposals in literature,
reveals an interesting feature that states of polarization of optical quantum
fields depend upon the average photons (intensity) present therein.Comment: 17 pages, Accepted in PR
The Large Sieve Inequality for Integer Polynomial Amplitudes
We obtain a close to the best possible version of the large sieve inequality
with amplitudes given by the values of a polynomial with integer coefficients
of degree .Comment: 6 page
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