Results 101 to 110 of about 4,823,150 (306)

Minkowski box from Yangian bootstrap

open access: yesJournal of High Energy Physics, 2021
We extend the recently developed Yangian bootstrap for Feynman integrals to Minkowski space, focusing on the case of the one-loop box integral. The space of Yangian invariants is spanned by the Bloch-Wigner function and its discontinuities.
Luke Corcoran   +3 more
doaj   +1 more source

Relativistic helicity and link in Minkowski space-time [PDF]

open access: yes, 2013
A relativistic helicity has been formulated in the four-dimensional Minkowski space-time. Whereas the relativistic distortion of space-time violates the conservation of the conventional helicity, the newly defined relativistic helicity conserves in a ...
Z.Yoshida, Y. Kawazura, T. Yokoyama
semanticscholar   +1 more source

Christoffel and Minkowski problems in Minkowski space

open access: yesSéminaire de théorie spectrale et géométrie, 2015
For convex sets in the Lorentzian Minkowski space bounded by space-like hyperplanes, it is possible to define area measures, similarly to the classical definition for convex bodies in the Euclidean space. Here the measures are defined on the hyperbolic space rather than on the round sphere.
openaire   +2 more sources

Evaluating Allocations of Opportunities

open access: yesInternational Economic Review, EarlyView.
ABSTRACT This paper provides a robust criterion for comparing lists of probability distributions—interpreted as allocations of opportunities—faced by different social groups. We axiomatically argue in favor of comparing those lists of probability distributions on the basis of a uniform—among groups—valuation of their expected utility.
Francesco Andreoli   +3 more
wiley   +1 more source

Anti-de-Sitter Island-Universes from 5D Standing Waves

open access: yes, 2010
We construct simple standing wave solutions in a 5D space-time with a ghost scalar field. The nodes of these standing waves are 'islands' of 4D Minkowski space-time.
Abdyrakhmanov S.   +16 more
core   +1 more source

Confinement, quark mass functions, and spontaneous chiral symmetry breaking in Minkowski space [PDF]

open access: yes, 2013
We formulate the covariant equations for quark-antiquark bound states in Minkowski space in the framework of the Covariant Spectator Theory. The quark propagators are dressed with the same kernel that describes the interaction between different quarks ...
E. P. Biernat   +3 more
semanticscholar   +1 more source

Tensor Changepoint Detection and Eigenbootstrap

open access: yesJournal of Time Series Analysis, EarlyView.
ABSTRACT Tensor data consisting of multivariate outcomes over the items and across the subjects with longitudinal and cross‐sectional dependence are considered. A completely distribution‐free and tweaking‐parameter‐free detection procedure for changepoints at different locations is designed, which does not require training data.
Michal Pešta   +2 more
wiley   +1 more source

Star-products for Lie-algebraic noncommutative Minkowski space-times

open access: yesJournal of High Energy Physics
Poisson structures of the Poincaré group can be linked to deformations of the Minkowski space-time, classified some time ago by Zakrewski. Based on this classification, various quantum Minkowski space-times with coordinates Lie algebras and specific ...
Valentine Maris   +2 more
doaj   +1 more source

Inextensible Flows of Curves on Lightlike Surfaces

open access: yesMathematics, 2018
In this paper, we study inextensible flows of a curve on a lightlike surface in Minkowski three-space and give a necessary and sufficient condition for inextensible flows of the curve as a partial differential equation involving the curvatures of the ...
Zühal Küçükarslan Yüzbaşı   +1 more
doaj   +1 more source

On closed curves in Minkowski spaces [PDF]

open access: yesProceedings of the American Mathematical Society, 1972
The minimum pseudo-diameter d and the length L of a simple closed rectifiable curve in Minkowski space satisfy L ≧ g d L \geqq gd where g is the half-girth of the unit ball. The bound is sharp.
openaire   +2 more sources

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