Results 11 to 20 of about 574 (133)

The theory of island biogeography and the stability of oceanic reef fish communities. [PDF]

open access: yesJ Fish Biol
Abstract Reef fish assemblages on oceanic islands offer valuable insights into ecological and evolutionary processes, yet their temporal dynamics remain poorly understood. This study evaluates the theory of island biogeography (TIB) with long‐term ecological monitoring to assess how island area, isolation from nearest reef and distance from mainland ...
Nogueira EJ   +3 more
europepmc   +2 more sources

Integrable field theories and their CCFT duals

open access: yesJournal of High Energy Physics, 2023
We compute the Mellin transforms of various two-dimensional integrable S-matrices, providing the first explicit, non-perturbative realizations of celestial CFT.
Daniel Kapec, Adam Tropper
doaj   +1 more source

New extension of beta, Gauss and confluent hypergeometric functions

open access: yesCumhuriyet Science Journal, 2021
There are many extensions and generalizations of Gamma and Beta functions in the literature. However, a new extension of the extended Beta function B_(ζ〖, α〗_1)^(α_2;〖 m〗_1,〖 m〗_2 ) (a_1,a_2 ) was introduced and presented here because of its important ...
Umar Muhammad Abubakar   +1 more
doaj   +1 more source

Solution of Fractional Order Equations in the Domain of the Mellin Transform

open access: yesJournal of Nigerian Society of Physical Sciences, 2019
This paper presents the Mellin transform for the solution of the fractional order equations. The Mellin transform approach occurs in many areas of applied mathematics and technology.
Sunday Emmanuel Fadugba
doaj   +1 more source

Mellin amplitudes for 1d CFT

open access: yesJournal of High Energy Physics, 2021
We define a Mellin amplitude for CFT1 four-point functions. Its analytical properties are inferred from physical requirements on the correlator. We discuss the analytic continuation that is necessary for a fully nonperturbative definition of the Mellin ...
Lorenzo Bianchi   +3 more
doaj   +1 more source

Mellin Transform-Based Approach for Parameter Estimation of K Distribution Plus Noise

open access: yesIEEE Access, 2019
Mellin transform is a fast and robust method for parameter estimation. In this paper, the parameter estimator of K plus noise (KpN) model based on the Mellin transform is proposed.
Kuihua Huang, Chao Chen, Gui Gao
doaj   +1 more source

The inverse Mellin transform via analytic continuation

open access: yesJournal of High Energy Physics, 2023
We present a method to calculate the x-space expressions of massless or massive operator matrix elements in QCD and QED containing local composite operator insertions, depending on the discrete Mellin index N, directly, without computing the Mellin-space
A. Behring, J. Blümlein, K. Schönwald
doaj   +1 more source

Towards spinning Mellin amplitudes

open access: yesNuclear Physics B, 2018
We construct the Mellin representation of four point conformal correlation function with external primary operators with arbitrary integer spacetime spins, and obtain a natural proposal for spinning Mellin amplitudes.
Heng-Yu Chen, En-Jui Kuo, Hideki Kyono
doaj   +1 more source

Notes on flat-space limit of AdS/CFT

open access: yesJournal of High Energy Physics, 2021
Different frameworks exist to describe the flat-space limit of AdS/CFT, include momentum space, Mellin space, coordinate space, and partial-wave expansion.
Yue-Zhou Li
doaj   +1 more source

Moment analysis of hadronic vacuum polarization

open access: yesPhysics Letters B, 2014
I suggest a new approach to the determination of the hadronic vacuum polarization (HVP) contribution to the anomalous magnetic moment of the muon aμHVP in lattice QCD.
Eduardo de Rafael
doaj   +1 more source

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