Results 51 to 60 of about 329 (158)

A note about operations like $T_W$ (the weakest $t$-norm) based addition on fuzzy intervals [PDF]

open access: yes, 2009
summary:We investigate a relation about subadditivity of functions. Based on subadditivity of functions, we consider some conditions for continuous $t$-norms to act as the weakest $t$-norm $T_W$-based addition.
Hong, Dug Hun
core  

T-norms with strong negations: Solution of two open problems

open access: yes, 2018
Two open problems of Jayaram are solved. Firstly, we prove that an Archimedean triangular norm with a strong associated negation is necessarily left-continuous.
Roberto Ghiselli Ricci   +1 more
core   +1 more source

Generalized Marshall-Olkin Distributions, and Related Bivariate Aging Properties [PDF]

open access: yes, 2011
National Natural Science Foundation of China [10771090]A class of generalized bivariate Marshall-Olkin distributions, which includes as special cases the Marshall-Olkin bivariate exponential distribution and the Marshall-Olkin type distribution due to ...
李效虎   +6 more
core   +1 more source

Lattice Structures for Bone Replacement: The Intersection of Bone Biomechanics, Lattice Design, and Additive Manufacturing

open access: yesAdvanced Materials Technologies, Volume 11, Issue 7, 6 April 2026.
This review outlines how understanding bone's biology, hierarchical architecture, and mechanical anisotropy informs the design of lattice structures that replicate bone morphology and mechanical behavior. Additive manufacturing enables the fabrication of orthopedic implants that incorporate such structures using a range of engineering materials ...
Stylianos Kechagias   +4 more
wiley   +1 more source

Properties of Hierarchical Archimedean Copulas [PDF]

open access: yes
In this paper we analyse the properties of hierarchical Archimedean copulas. This class is a generalisation of the Archimedean copulas and allows for general non-exchangeable dependency structures. We show that the structure of the copula can be uniquely
Yarema Okhrin   +2 more
core  

Fractional Orbital Angular Momentum Sorting Using Wind Spiral Transformation

open access: yesNanophotonics, Volume 15, Issue 8, 24 April 2026.
A wind‐spiral coordinate transformation enables mode sorting of fractional‐order orbital angular momentum (OAM) states, overcoming the limited channel count of conventional integer only sorters. Fractional OAM is mapped into a controlled superposition of integer modes, producing distinctive multi‐peak signatures for discrimination.
Xiaobin Yang   +7 more
wiley   +1 more source

COBASE: A new copula‐based shuffling method for ensemble weather forecast postprocessing

open access: yesQuarterly Journal of the Royal Meteorological Society, Volume 152, Issue 777, April 2026 Part B.
We propose COBASE, a novel copula‐based postprocessing methododology that combines the strengths of multivariate parametric correction with non‐parametric rank‐based approaches. We consider two case studies for multi‐site temperature in Austria and multi‐site temperature and dew‐point temperature in the Netherlands.
Maurits Flos   +4 more
wiley   +1 more source

Risk Times in Mission‐Oriented Systems

open access: yesQuality and Reliability Engineering International, Volume 42, Issue 3, Page 1380-1398, April 2026.
ABSTRACT This article assesses risk times in mission‐oriented systems with high safety standards. We examine critical times under two safety policies. The first requires that the system's reliability function, known the first failure of the components, must exceed a reliability level throughout the mission.
Antonio Arriaza   +2 more
wiley   +1 more source

The quest for rings on bipolar scales [PDF]

open access: yes
We consider the interval $]{-1},1[$ and intend to endow it with an algebraic structure like a ring. The motivation lies in decision making, where scales that are symmetric w.r.t.~$0$ are needed in order to represent a kind of symmetry in the behaviour of
Bernard De Baets   +2 more
core  

Indistinguishability operators with respect to different t-norms

open access: yes, 2012
An isomorphism f between two continuous Archimedean t-norms T and T′ transforms a T-indistinguishability operator E into a T′-indistinguishability operator f ∘ E and many interesting properties of E are transfered to f ∘ E by f.
Recasens Ferrés, Jorge   +1 more
core   +1 more source

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