Results 141 to 150 of about 64,616 (316)

Explicit Baker–Campbell–Hausdorff Expansions

open access: yesMathematics, 2018
The Baker–Campbell–Hausdorff (BCH) expansion is a general purpose tool of use in many branches of mathematics and theoretical physics. Only in some special cases can the expansion be evaluated in closed form.
Alexander Van-Brunt, Matt Visser
doaj   +1 more source

Graph structure of commuting functions [PDF]

open access: yesarXiv, 2014
The problem of finding graph structure of functions commuting with a given function in terms of their functional graphs is considered. Structure of functional graphs of commuting functions is described. The problem is reduced to describing graph homomorphisms of weakly connected components of functional graphs.
arxiv  

Benefit‐sharing with human participants in health research in South Africa: A call for clarity

open access: yesDeveloping World Bioethics, EarlyView.
Abstract This study critically examines the concept of benefit‐sharing in the context of health research involving human participants in South Africa, identifying a significant gap in the precision and application of terminology. It introduces a new terminological framework designed to provide clarity and facilitate standardisation in both national and
Claude Kamau   +2 more
wiley   +1 more source

Commutative ring spectra [PDF]

open access: yesarXiv, 2017
In this survey paper on commutative ring spectra we present some basic features of commutative ring spectra and discuss model category structures. As a first interesting class of examples of such ring spectra we focus on (commutative) algebra spectra over commutative Eilenberg-MacLane ring spectra.
arxiv  

The role of electroencephalography in epilepsy research—From seizures to interictal activity and comorbidities

open access: yesEpilepsia, EarlyView.
Abstract Electroencephalography (EEG) has been instrumental in epilepsy research for the past century, both for basic and translational studies. Its contributions have advanced our understanding of epilepsy, shedding light on the pathophysiology and functional organization of epileptic networks, and the mechanisms underlying seizures.
Christos Panagiotis Lisgaras   +14 more
wiley   +1 more source

Multilinear BMO Estimates for the Commutators of Multilinear Fractional Maximal and Integral Operators on the Product Generalized Morrey Spaces

open access: yesInternational Journal of Analysis and Applications, 2019
In this paper, we establish multilinear BMO estimates for commutators of multilinear fractional maximal and integral operators both on product generalized Morrey spaces and product generalized vanishing Morrey spaces, respectively.
Ferit Gurbuz
doaj   +2 more sources

Semi-commutations

open access: yesInformation and Computation, 1987
AbstractWe extend the notion of partial commutation by introducing that of semi-commutation which is its non-symetrical version. A semi-commutation function f is associated to a semi-Thue system 〈X, P〉 where the rules are of the form yx → xy with x, y ϵ X. We study this operation in connection with rational operations.
M. Latteux, M. Clerbout
openaire   +2 more sources

Spanning Multi‐Asset Payoffs With ReLUs

open access: yesMathematical Finance, EarlyView.
ABSTRACT We propose a distributional formulation of the spanning problem of a multi‐asset payoff by vanilla basket options. This problem is shown to have a unique solution if and only if the payoff function is even and absolutely homogeneous, and we establish a Fourier‐based formula to calculate the solution.
Sébastien Bossu   +2 more
wiley   +1 more source

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