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Related papers: Measuring the QCD Gell Mann-Low $\Psi$-function

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This work was carried out in 1985. It was published in Russian in Yad. Fiz. 44, 498 (1986) [English translation Sov. J. Nucl. Phys. 44, 321 (1986)]. None of these publications are available on-line. Submitting this paper to ArXiv will make…

High Energy Physics - Theory · Physics 2020-09-25 M. Shifman , A. Vainshtein

The delta method is a popular and elementary tool for deriving limiting distributions of transformed statistics, while applications of asymptotic distributions do not allow one to obtain desirable accuracy of approximation for tail…

Statistics Theory · Mathematics 2011-05-19 Fuqing Gao , Xingqiu Zhao

A heuristic formula for 5-point approximation of the first derivative of an unknown function whose values are measured with an error at unequally spaced points is proposed. The derivative at a given point is calculated using the effective…

Data Analysis, Statistics and Probability · Physics 2022-09-14 Emmanuil Beygelzimer , Yan Beygelzimer

The generalized logarithmic electrodynamics with two parameters $\beta$ and $\gamma$ is considered. The indexes of refraction of light in the external magnetic field are calculated. In the case $\beta=\gamma$ we come to results obtained by…

High Energy Physics - Theory · Physics 2015-06-23 S. I. Kruglov

We derive quantitative bounds on the rate of convergence in $L^1$ Wasserstein distance of general M-estimators, with an almost sharp (up to a logarithmic term) behavior in the number of observations. We focus on situations where the…

Statistics Theory · Mathematics 2021-11-19 François Bachoc , Max Fathi

Latent variable models are crucial in scientific research, where a key variable, such as effort, ability, and belief, is unobserved in the sample but needs to be identified. This paper proposes a novel method for estimating realizations of…

Machine Learning · Statistics 2022-10-05 Yingyao Hu , Yang Liu , Jiaxiong Yao

We study the generalized q-dimensions of measures supported on non-autonomous conformal attractors, which are the generalizations of Moran sets and the attractors of iterated function systems. We first prove that the critical values of…

Dynamical Systems · Mathematics 2025-12-24 Jun Jie Miao , Tianrui Wang

In this work we first derive a generalized conditional master equation for quantum measurement by a mesoscopic detector, then study the readout characteristics of qubit measurement where a number of new features are found. The work would in…

Quantum Physics · Physics 2007-05-23 Xin-Qi Li , Ping Cui , YiJing Yan

The first objective of the paper is to estimate logarithmic partial derivative for meromorphic functions in several complex variables. Our estimations for logarithmic partial derivatives extend the results of Gundersen \cite{GG2} to the…

Complex Variables · Mathematics 2025-09-10 Junfeng Xu , Sujoy Majumder , Nabadwip Sarkar

In this article, we obtain effective estimates for the error term $\Delta_{k}(x)$ for all integers $k \geq2$, and completely explicit estimates for integers $k \in [3,9]$. The explicit results improve the powers of $x$ appearing in the…

Number Theory · Mathematics 2026-03-18 Neea Palojärvi , Sebastian Tudzi

To improve accuracy in calculating QCD effects, we propose a method for renormalon subtraction in the context of the operator-product expansion. The method enables subtracting renormalons of various powers in $\Lambda_{\rm QCD}$ efficiently…

High Energy Physics - Phenomenology · Physics 2021-06-04 Yuuki Hayashi , Yukinari Sumino , Hiromasa Takaura

In a recent article we have discussed the connections between averages of powers of Riemann's $\zeta$-function on the critical line, and averages of characteristic polynomials of random matrices. The result for random matrices was shown to…

Mathematical Physics · Physics 2009-10-31 E. Brezin , S. Hikami

We investigate the moments of the derivative, on the unit circle, of characteristic polynomials of random unitary matrices and use this to formulate a conjecture for the moments of the derivative of the Riemann zeta-function on the critical…

Number Theory · Mathematics 2007-05-23 J. Brian Conrey , Michael O. Rubinstein , Nina C. Snaith

The two dimensional $CP^1$ model with $\theta$ term is simulated. We compute the topological charge distribution $P(Q)$ by employing the ``set method" and ``trial function method", which are effective in the calculations for very wide range…

High Energy Physics - Lattice · Physics 2009-10-28 A. S. Hassan , M , Imachi , N , Tsuzuki , H , Yoneyama

In this work we derive a functional equation in terms of the Hurwitz-Lerch zeta function along with definite integrals in terms of the incomplete gamma and Hurwitz-Lerch zeta functions. The method used in these derivations is contour…

General Mathematics · Mathematics 2024-11-19 Robert Reynolds

We investigate -- as an alternative to usual Monte Carlo Renormalization Group methods -- the feasibility of extracting QCD beta-functions directly from a lattice analysis of correlations between the action and Wilson loops. We test this…

High Energy Physics - Lattice · Physics 2009-10-28 G. S. Bali , Ch. Schlichter , K. Schilling

In this paper, the asymptotic distributions of estimators for the regularized functional canonical correlation and variates of the population are derived. The method is based on the possibility of expressing these regularized quantities as…

Statistics Theory · Mathematics 2007-11-29 J. Cupidon , D. S. Gilliam , R. Eubank , F. Ruymgaart

We summarize and extend previous results on the comparison of threshold resummation, performed, using soft-collinear effective theory (SCET), in the Becher-Neubert approach, to the standard perturbative QCD formalism based on factorization…

High Energy Physics - Phenomenology · Physics 2015-06-12 Marco Bonvini , Stefano Forte , Margherita Ghezzi , Giovanni Ridolfi

We show that whenever data are gathered using a device that performs a normalization-preprocessing, the ensuing normalized input, as recorded by the measurement device, will always be q-Gaussian distributed if the incoming data exhibit…

Statistical Mechanics · Physics 2007-08-23 C. Vignat , A. Plastino

In this work we introduce a field-theoretic tool that enable us to evaluate the critical exponents of $\delta_{KLS}$-generalized systems undergoing continuous phase transitions, namely $\delta_{KLS}$-generalized statistical field theory. It…

High Energy Physics - Theory · Physics 2025-06-09 P. R. S. Carvalho