Results 11 to 20 of about 29,966 (283)

Elliptic polylogarithms and iterated integrals on elliptic curves. Part I: general formalism

open access: yesJournal of High Energy Physics, 2018
We introduce a class of iterated integrals, defined through a set of linearly independent integration kernels on elliptic curves. As a direct generalisation of multiple polylogarithms, we construct our set of integration kernels ensuring that they have ...
Johannes Broedel   +3 more
doaj   +3 more sources

Spectral Representations of Iterated Stochastic Integrals and Their Application for Modeling Nonlinear Stochastic Dynamics

open access: yesMathematics, 2023
Spectral representations of iterated Itô and Stratonovich stochastic integrals of arbitrary multiplicity, including integrals from Taylor–Itô and Taylor–Stratonovich expansions, are obtained by the spectral method.
Konstantin Rybakov
doaj   +3 more sources

Poincaré series for modular graph forms at depth two. Part II. Iterated integrals of cusp forms

open access: yesJournal of High Energy Physics, 2022
We continue the analysis of modular invariant functions, subject to inhomogeneous Laplace eigenvalue equations, that were determined in terms of Poincaré series in a companion paper. The source term of the Laplace equation is a product of (derivatives of)
Daniele Dorigoni   +2 more
doaj   +1 more source

Homogeneous approximation for minimal realizations of series of iterated integrals

open access: yesVisnik Harkivsʹkogo Nacionalʹnogo Universitetu im. V.N. Karazina. Cepiâ Matematika, Prikladna Matematika i Mehanika, 2022
In the paper, realizable series of iterated integrals with scalar coefficients are considered and an algebraic approach to the homogeneous approximation problem for nonlinear control systems with output is developed.
D. M. Andreieva, S. Yu. Ignatovich
doaj   +1 more source

Development and Application of the Fourier Method to the Mean-Square Approximation of Iterated Ito and Stratonovich Stochastic Integrals

open access: yes, 2022
The article is devoted to the mean-square approximation of iterated Ito and Stratonovich stochastic integrals in the context of the numerical integration of Ito stochastic differential equations.
Kuznetsov, Dmitriy F.
core   +1 more source

Master integrals for electroweak corrections to $$gg\rightarrow \gamma \gamma $$ g g → γ γ : light quark contributions

open access: yesEuropean Physical Journal C: Particles and Fields, 2023
We present a calculation of the master integrals (MI’s) required for the calculation of the Electroweak corrections to $$gg\rightarrow \gamma \gamma $$ g g → γ γ production in which the process contains a light quark loop.
Gabriele Fiore, Ciaran Williams
doaj   +1 more source

Analytic Detection in Homotopy Groups of Smooth Manifolds

open access: yesСовременная математика: Фундаментальные направления, 2020
In this paper, for the mapping of a sphere into a compact orientable manifoldSn→M,n⩾1, we solve the problem of determining whether it represents a nontrivial element in the homotopy group of the manifoldπn(M) πn(M ). For this purpose, we consistently use
I. S. Zubov
doaj   +1 more source

Iterated Integrals of Jacobi Polynomials [PDF]

open access: yesBulletin of the Malaysian Mathematical Sciences Society, 2019
Let P(α,β)n be the n-th monic Jacobi polynomial with α,β>−1. Given m numbers ω1,…,ωm∈C∖[−1,1], let Ωm=(ω1,…,ωm) and P(α,β)n,m,Ωm be the m-th iterated integral of (n+m)!n!P(α,β)n normalized by the conditions dkP(α,β)n,m,Ωmdzk(ωm−k)=0, for k=0,1,…,m−1. The main purpose of the paper is to study the algebraic and asymptotic properties of the sequence of ...
Hector Pijeira-Cabrera   +1 more
openaire   +2 more sources

Iterated differential forms III: Integral calculus [PDF]

open access: yesDoklady Mathematics, 2007
7 pages, submitted to Math ...
VINOGRADOV A. M, VITAGLIANO, LUCA
openaire   +3 more sources

Interchanging Iterated Integration [PDF]

open access: yesProceedings of the American Mathematical Society, 1978
If k ( x , y ) k(x,y) is a measurable, real valued, finite a.e. function on X × Y X \times Y , then necessary and sufficient conditions are given for the two iterated Lebesgue integrals of k ( x , y )
openaire   +2 more sources

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