Results 61 to 70 of about 3,558,379 (193)

Spatial depth for data in metric spaces

open access: yesScandinavian Journal of Statistics, Volume 53, Issue 2, Page 684-711, June 2026.
Abstract We propose a novel measure of statistical depth, the metric spatial depth, for data residing in an arbitrary metric space. The measure assigns high (low) values for points located near (far away from) the bulk of the data distribution, allowing quantifying their centrality/outlyingness.
Joni Virta
wiley   +1 more source

A strong quantitative form of the fractional isoperimetric inequality

open access: yesJournal of the London Mathematical Society, Volume 113, Issue 6, June 2026.
Abstract We show a strong version of the fractional quantitative isoperimetric inequality, in which the isoperimetric deficit controls not only the Fraenkel asymmetry but also a sort of oscillation of the boundary. This generalizes the local result by Fusco and Julin in [22].
Eleonora Cinti   +2 more
wiley   +1 more source

Degree theory for 4‐dimensional asymptotically conical gradient expanding solitons

open access: yesCommunications on Pure and Applied Mathematics, Volume 79, Issue 5, Page 1151-1298, May 2026.
Abstract We develop a new degree theory for 4‐dimensional, asymptotically conical gradient expanding solitons. Our theory implies the existence of gradient expanding solitons that are asymptotic to any given cone over S3$S^3$ with non‐negative scalar curvature. We also obtain a similar existence result for cones whose link is diffeomorphic to S3/Γ$S^3/\
Richard H. Bamler, Eric Chen
wiley   +1 more source

On Concavity and Supermodularity [PDF]

open access: yes
Concavity and supermodularity are in general independent properties. A class of functionals defined on a lattice cone of a Riesz space has the Choquet property when it is the case that its members are concave whenever they are supermodular.
Luigi Montrucchio, Massimo Marinacci
core  

Nörlund and Riesz Mean of Sequences of Bi-complex Numbers

open access: yes
In this article we have investigated some properties of the Nörlund and Riesz mean of sequences of bi-complex numbers. We establish necessary and sufficient conditions for the Nörlund and Riesz means to transform convergent sequences of bi-complex ...
Binod Chandra Tripathy, Subhajit Bera
core   +1 more source

Higher power moments of the Riesz mean error term of hybrid symmetric square L-function.

open access: yes, 2019
Higher power moments of the Riesz mean error term of hybrid symmetric square L ...
Savastru, O.
core   +1 more source

Characterization of Riesz Spaces with Topologically Full Center

open access: yes, 2013
Let E be a Riesz space and let E-similar to denote its order dual. The orthomorphisms Orth(E) on E, and the ideal center Z(E) of E, are naturally embedded in Orth(E-similar to) and Z(E-similar to) respectively.
Alpay, Safak, Orhon, Mehmet
core  

[l(p)](e.r) Euler-riesz difference sequence spaces

open access: yes, 2021
Baar and Braha [1], introduced the sequence spaces l(infinity), C and C-0 of Euler- Cesaro bounded, convergent and null difference sequences and studied their somere properties.
Ellidokuzoğlu, Hacer Bilgin   +1 more
core   +1 more source

Production equilibria [PDF]

open access: yes
This paper studies production economies in a commodity space that is an ordered locally convex space. We establish a general theorem on the existence of equilibrium without requiring that the commodity space or its dual be a vector lattice.
Monique Florenzano   +2 more
core  

Certain Extensions of the Riesz-Thorin Interpolation Theorem [PDF]

open access: yes, 1972
In this thesis we study convexity theorems on the interpolation of linear operators between LP-spaces. An extension of the Riesz-Thorin Theorem to spaces constructed from countably many LP-spaces is given.
Lee, Siu
core  

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