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- Abdumalik Rakhimov, Anvarjon Ahmedov, Hishamuddin Zainuddin
- Appl. Math. Lett.
- 2012

In this paper the localization properties of the spectral expansions of distributions related to the self adjoint extension of the Schrodinger operator are investigated. Spectral decompositions of the distributions and some classes of distributions are defined. Estimations for Riesz means of the spectral decompositions of the distributions in the norm of… (More)

In this work we established asymptotical behavior for Riesz means of the spectral function of the Laplace operator on unit sphere.

- Anvarjon A. Ahmedov, Mohammad Hasan bin Abd Sathar
- 2013

In this work, we present a computational method for solving double and triple integrals with variable limits of integrations which is based on Haar wavelets. This approach is the generalization and improvement of the methods [3]. The advantage of this new methods is its more efficient and simple applicability than the previous methods. Error analysis for… (More)

- A. Ahmedov, E. N. Antonov, E. Bartoš, E. A. Kuraev, E. Zemlyanaya
- 2002

Single-spin asymmetry appears due to the interference of single and double gluon exchange between protons. A heavy fermion model is used to describe the jet production in the interaction of gluon with the proton implying the further averaging over its mass. As usually in one-spin correlations, the imaginary part of the double gluon exchange amplitude play… (More)

Abstract In this paper we study the almost everywhere convergence of the expansions related to the self-adjoint extension of the Laplace operator. The sufficient conditions for summability is obtained. For the orders of Riesz means, which greater than critical index N−1 2 we established the estimation for maximal operator of the Riesz means. Note that when… (More)

- Z. K. Eshkuvatov, Anvarjon Ahmedov, Nik Mohd Asri Nik Long, O. Shafiq
- Applied Mathematics and Computation
- 2010

- Anvarjon Ahmedov
- Appl. Math. Lett.
- 2011

- Anvarjon Ahmedov, Norashikin Abdul Aziz
- J. Computational Applied Mathematics
- 2012

- Z. K. Eshkuvatov, Anvarjon Ahmedov, Nik Mohd Asri Nik Long, N. J. Amalina
- J. Computational Applied Mathematics
- 2011

Q ( f , x, y, c) = ∫ y x ρ(t)K(t, c)f (t) dt, −1 ≤ x, y ≤ 1, −1 < c < 1, where ρ(t) = 1/ √ 1 − t2, K(t, c) = 1/(t−c) and f (t) is assumed to be a smooth function. In constructing an automatic quadrature scheme,we consider two cases: (1)−1 < x < y < 1, and (2) x = −1, y = 1. In both cases the density function f (t) is replaced by the truncated Chebyshev… (More)