205,903 research outputs found
Negative Binomial and Multinomial States: probability distributions and coherent states
Following the relationship between probability distribution and coherent
states, for example the well known Poisson distribution and the ordinary
coherent states and relatively less known one of the binomial distribution and
the coherent states, we propose ``interpretation'' of and
coherent states ``in terms of probability theory''. They will be
called the ``negative binomial'' (``multinomial'') ``states'' which correspond
to the ``negative'' binomial (multinomial) distribution, the non-compact
counterpart of the well known binomial (multinomial) distribution. Explicit
forms of the negative binomial (multinomial) states are given in terms of
various boson representations which are naturally related to the probability
theory interpretation. Here we show fruitful interplay of probability theory,
group theory and quantum theory.Comment: 24 pages, latex, no figure
Generalized binomial distribution in photon statistics
The photon-number distribution between two parts of a given volume is found
for an arbitrary photon statistics. This problem is related to the interaction
of a light beam with a macroscopic device, for example a diaphragm, that
separates the photon flux into two parts with known probabilities. To solve
this problem, a Generalized Binomial Distribution (GBD) is derived that is
applicable to an arbitrary photon statistics satisfying probability convolution
equations. It is shown that if photons obey Poisson statistics then the GBD is
reduced to the ordinary binomial distribution, whereas in the case of
Bose-Einstein statistics the GBD is reduced to the Polya distribution. In this
case, the photon spatial distribution depends on the phase-space volume
occupied by the photons. This result involves a photon bunching effect, or
collective behavior of photons that sharply differs from the behavior of
classical particles. It is shown that the photon bunching effect looks similar
to the quantum interference effect.Comment: 8 pages, 4 figure
Analysis of generalized negative binomial distributions attached to hyperbolic Landau levels
To each hyperbolic Landau level of the Poincar\'e disc is attached a
generalized negative binomial distribution. In this paper, we compute the
moment generating function of this distribution and supply its decomposition as
a perturbation of the negative binomial distribution by a finitely-supported
measure. Using the Mandel parameter, we also discuss the nonclassical nature of
the associated coherent states. Next, we determine the L\'evy-Kintchine
decomposition its characteristic function when the latter does not vanish and
deduce that it is quasi-infinitely divisible except for the lowest hyperbolic
Landau level corresponding to the negative binomial distribution. By
considering the total variation of the obtained quasi-L\'evy measure, we
introduce a new infinitely-divisible distribution for which we derive the
characteristic function
Correlated Binomial Models and Correlation Structures
We discuss a general method to construct correlated binomial distributions by
imposing several consistent relations on the joint probability function. We
obtain self-consistency relations for the conditional correlations and
conditional probabilities. The beta-binomial distribution is derived by a
strong symmetric assumption on the conditional correlations. Our derivation
clarifies the 'correlation' structure of the beta-binomial distribution. It is
also possible to study the correlation structures of other probability
distributions of exchangeable (homogeneous) correlated Bernoulli random
variables. We study some distribution functions and discuss their behaviors in
terms of their correlation structures.Comment: 12 pages, 7 figure
On the forward-backward correlations in a two-stage scenario
It is demonstrated that in a two-stage scenario with elementary Poissonian
emitters of particles (colour strings) arbitrarily distributed in their number
and average multiplicities, the forward- backward correlations are completely
determined by the final distribution of the forward particles. The observed
linear form of the correlations then necessarily requires this distribution to
have a negative binomial form. For emitters with a negative binomial
distribution of the produced particles distributed so as to give the final
distribution also of a negative binomial form, the forward-backward
correlations have an essentially non-linear form, which disagrees with the
experimental data.Comment: 14 pages in LaTex, 1 figure in Postscrip
Limit theorems for sums of independent random variables
Thesis (M.A.)--Boston University.As the introduction to this thesis has described it the significant content of the thesis is a consideration of the more important aspects of the theory of limiting distributions for the distributions associated with sequences of sums of independent random variables.
We begin our analysis with the discussion of the relatively common probability law, the binomial probability law. This is defined and related to two further probability laws: the normal law and the Poisson law. It is shown that in the binomial situation when the number, n, of trials approaches infinity and the probability, p, of success at each trial approaches 0 in such a way that the variable lambda = np remains bounded, the Poisson approximation to the binomial is a uniform approximation. The DeMoivre - Laplace Limit theorem enables us to see the relation of the normal law to the binomial law. It states that the binomial distribution converges to the normal distribution in the situation wherein we are holding p constant and allowing n -> infinity. It is also noted that under favorable conditions the Poisson distribution is itself approximated by means of the Normal distribution [TRUNCATED]
Multimodality of the Markov binomial distribution
We study the shape of the probability mass function of the Markov binomial
distribution, and give necessary and sufficient conditions for the probability
mass function to be unimodal, bimodal or trimodal. These are useful to analyze
the double-peaking results from a PDE reactive transport model from the
engineering literature. Moreover, we give a closed form expression for the
variance of the Markov binomial distribution, and expressions for the mean and
the variance conditioned on the state at time .Comment: 15 pages, 3 figure
On the accuracy of the binomial approximation to the distance distribution of codes
The binomial distribution is a well-known approximation to the distance spectra of many classes of codes. We derive a lower estimate for the deviation from the binomial approximatio
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