نتایج جستجو برای: riemann liouville fractionalintegral

تعداد نتایج: 17390  

2009
Nadav Drukker Jaume Gomis Takuya Okuda Jörg Teschner

We propose a correspondence between loop operators in a family of four dimensional N = 2 gauge theories on S4 – including Wilson, ’t Hooft and dyonic operators – and Liouville theory loop operators on a Riemann surface. This extends the beautiful relation between the partition function of these N = 2 gauge theories and Liouville correlators found by Alday, Gaiotto and Tachikawa. We show that th...

Journal: :computational methods for differential equations 0
amjad ali university of malakand kamal shah university of malakand rahmat ali khan department of mathematics university of malakand

this paper is devoted to the study of establishing sufficient conditions forexistence and uniqueness of positive solution to a class ofnon-linear problems of fractional differential equations. the boundary conditionsinvolved riemann-liouville fractional order derivative and integral. further, the non-linear function $f$ containfractional order derivative which produce extra complexity. thank to...

Journal: :Communications in Nonlinear Science and Numerical Simulation 2011

1993
Marco Matone

We connect Liouville theory, anyons and Higgs model in a purely geometrical way. Partly Supported by the European Community Research Programme Gauge Theories, applied supersymmetry and quantum gravity, contract SC1-CT92-0789 e-mail: [email protected], mvxpd5::matone 1 The Higgs model for anyons The main aim of this paper is to show that the Higgs model for anyons and Liouville theory are st...

1993
Leon A. Takhtajan

Inspired by Polyakov’s original formulation [1, 2] of quantum Liouville theory through functional integral, we analyze perturbation expansion around a classical solution. We show the validity of conformal Ward identities for puncture operators and prove that their conformal dimension is given by the classical expression. We also prove that total quantum correction to the central charge of Liouv...

Journal: :Axioms 2023

In this study, we obtained a system of eigenfunctions and eigenvalues for the mixed homogeneous Sturm-Liouville problem second-order differential equation containing fractional derivative operator. The differentiation operator was considered according to two definitions: Gerasimov-Caputo Riemann-Liouville-Visualizations eigenfunctions, biorthogonal system, distribution on real axis were present...

2011
JIANG WEI

In this paper, the Caputo time varying singular fractional differential systems with delay and the Riemann-Liouville time varying singular fractional differential systems with delay are considered . By the D− inverse matrix and α − δ function, two fundamental solutions are given. The variation formulae for time varying singular fractional differential systems with delay are obtained. Mathematic...

2011
Tofigh Allahviranloo Saeid Abbasbandy Soheil Salahshour

In this paper, we consider two new uniqueness results for fuzzy fractional differential equations (FFDEs) involving Riemann-Liouville generalized H-differentiability with the Nagumo-type condition and the Krasnoselskii-Krein-type condition. To this purpose, the equivalent integral forms of FFDEs are determined and then these are used to study the convergence of the Picard successive approximati...

2016
Yong Mu Liying Sun Zhenlai Han

where 2 < α ≤ 3, D denotes the Riemann-Liouville fractional derivative, λ is a positive constant, f (t, x) may change sign and be singular at t = 0, t = 1, and x = 0. By means of the Guo-Krasnoselskii fixed point theorem, the eigenvalue intervals of the nonlinear fractional functional differential equation boundary value problem are considered, and some positive solutions are obtained, respecti...

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