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pro vyhledávání: '"Daniel, J F"'
Hsiang algebras are a class of nonassociative algebra defined in terms of a relation quartic in elements of the algebra. This class arises naturally in relation to the construction of real algebraic minimal cones. Additionally, Hsiang algebras were c
Externí odkaz:
http://arxiv.org/abs/2410.14267
Autor:
Fox, Daniel J. F.
Publikováno v:
Annali di Matematica Pura ed Applicata, 2023
The sectional nonassociativity of a metrized (not necessarily associative or unital) algebra is defined analogously to the sectional curvature of a pseudo-Riemannian metric, with the associator in place of the Levi-Civita covariant derivative. For co
Externí odkaz:
http://arxiv.org/abs/2211.01073
Autor:
Fox, Daniel J. F.
Publikováno v:
Journal of Algebra. Vol. 608, No. 15 (2022), pp. 186-213
With each Steiner triple system there is associated a one-parameter family of commutative, nonassociative, nonunital algebras that are by construction exact, meaning that the trace of every multiplication operator vanishes, and these algebras are sho
Externí odkaz:
http://arxiv.org/abs/2205.08838
Autor:
Kai Ninomiya, Patrick W. Serruys, Scot Garg, Shigetaka Kageyama, Nozomi Kotoku, Shinichiro Masuda, Pruthvi C. Revaiah, Neil O'leary, Arie Pieter Kappetein, Michael J. Mack, David R. Holmes, Piroze M. Davierwala, Friedrich W. Mohr, Daniel J. F. M. Thuijs, Yoshinobu Onuma
Publikováno v:
Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, Vol 13, Iss 8 (2024)
Background Recently, machine learning algorithms have identified preprocedural γ‐glutamyl transferase (GGT) as a significant predictor of long‐term mortality after coronary revascularization in the SYNTAX (Synergy Between PCI [Percutaneous Coron
Externí odkaz:
https://doaj.org/article/42117e4d1dfc47478ec513d5274e1056
Autor:
Fox, Daniel J. F.
Publikováno v:
Information Geometry, Vol. 6, No. 2 (2023) pp.463-595
Analogues of the classical affine-projective correspondence are developed in the context of statistical manifolds compatible with a radiant vector field. These utilize a formulation of Einstein equations for special statistical structures that genera
Externí odkaz:
http://arxiv.org/abs/2106.04270
Autor:
Fox, Daniel J. F.
There are described equations coupling a completely symmetric conformal Killing or Codazzi tensor to the Einstein equations for a metric, in a manner analogous to that used to obtain the Einstein-Maxwell equations by coupling a two-form to the metric
Externí odkaz:
http://arxiv.org/abs/2105.05514
Autor:
Fox, Daniel J. F.
A commutative algebra is exact if its multiplication endomorphisms are trace-free and is Killing metrized if its Killing type trace-form is nondegenerate and invariant. A Killing metrized exact commutative algebra is necessarily neither unital nor as
Externí odkaz:
http://arxiv.org/abs/2004.12343
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Autor:
Daniel J F Gerber, Sanjaya Dhakal, Md Nazmul Islam, Abdullah Al Kawsar, Md Abul Khair, Md Mujibur Rahman, Md Jahirul Karim, Md Shafiqur Rahman, M M Aktaruzzaman, Cara Tupps, Mariana Stephens, Paul M Emerson, Jürg Utzinger, Penelope Vounatsou
Publikováno v:
PLoS Neglected Tropical Diseases, Vol 17, Iss 11, p e0011656 (2023)
BackgroundIn Bangladesh, preventive chemotherapy targeting soil-transmitted helminth (STH) infections in school-age children has been implemented since 2008. To evaluate the success of this strategy, surveys were conducted between 2017 and 2020 in 10
Externí odkaz:
https://doaj.org/article/28699cf1fb354ed199c7b7055601ea74
Autor:
Fox, Daniel J. F.
Publikováno v:
Anal.Math.Phys. 11, 43 (2021)
There is considered the problem of describing up to linear conformal equivalence those harmonic cubic homogeneous polynomials for which the squared-norm of the Hessian is a nonzero multiple of the quadratic form defining the Euclidean metric. Solutio
Externí odkaz:
http://arxiv.org/abs/1905.00071