Results 61 to 70 of about 3,534,316 (293)

A Fuzzy Risk Assessment Approach Based on Z‐Numbers for Enhancing Safety and Human‐Robot Collaboration in Automotive Sector

open access: yesAdvanced Intelligent Systems, EarlyView.
A novel risk assessment approach that integrates the fuzzy set theory and Z‐numbers with multicriteria decision‐making techniques (Delphi, decision‐making trial and evaluation laboratory, analytic network process, and VIseKriterijumska Optimizacija I Kompromisno Resenje) to manage uncertainty and prioritize human–robot collaboration risks. A real‐world
Emine Bozkus, İhsan Kaya
wiley   +1 more source

Borcherds Products for U(1,1)

open access: yes, 2013
The Borcherds lift for indefinite unitary groups, previously constructed by the author, is examined here in greater detail for the special case of the group U(1,1).
Hofmann, Eric
core   +1 more source

Memristive Chaotic Circuit for Information Processing Through Time

open access: yesAdvanced Intelligent Systems, EarlyView.
A chaotic circuit that exploits the nonlinear characteristics of a memristive device is realized in hardware. The circuit response evolves through simple periodic, multiperiod, and chaotic regimes. The circuit also displays fading memory property. Finally, the circuit is used in a reservoir computing architecture to demonstrate nonlinear classification
Manuel Escudero   +2 more
wiley   +1 more source

Bounds on the non-real spectrum of differential operators with indefinite weights [PDF]

open access: yes, 2012
Ordinary and partial differential operators with an indefinite weight function can be viewed as bounded perturbations of non-negative operators in Krein spaces.
Behrndt, Jussi   +2 more
core   +1 more source

Donaldson-Witten theory and indefinite theta functions

open access: yes, 2017
We consider partition functions with insertions of surface operators of topologically twisted N=2, SU(2) supersymmetric Yang-Mills theory, or Donaldson-Witten theory for short, on a four-manifold.
Korpas, Georgios, Manschot, Jan
core   +1 more source

Boundary blow-up for differential equations with indefinite weight

open access: yesJournal of Differential Equations, 2003
Let \(q:[0,1]\to \mathbb{R}\) and \(g:\mathbb{R}\to \mathbb{R}\) be continuous functions. Consider the following problem: \(x''+q(t)g(x)=0\) and \(x(0^{+})=x(1^{-})=+\infty\). Using a topological approach and under some general assumptions, such as superlinear growth at infinity for \(g\) and possibly changing sign on its domain, the existence and ...
MAWHIN J.   +2 more
openaire   +5 more sources

“You're this person who's providing light”: Embodied responses to information loss and transition within LGBTQIA+ communities

open access: yesJournal of the Association for Information Science and Technology, EarlyView.
Abstract This paper reports on findings from 15 semi‐structured interviews with LGBTQIA+ individuals within the United States who have experienced the loss of one or more LGBTQIA+ information spaces. The paper specifically focuses on how such losses occurred and the information transitions experienced by the participants in response to this loss ...
Travis L. Wagner, Vanessa L. Kitzie
wiley   +1 more source

Is Board Gender Diversity a Superficial Goal or a Strategic Asset for CSR Performance? The Role of Critical Mass and Board Size

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study investigates the relationship between board gender diversity (BGD) and environmental, social, and CSR controversies' performance and the moderating role of board size (BS) on their relationship. Using data from STOXX Europe 600 Index listed companies from 2007 to 2023 and employing a Generalized Method of Moments (GMM) model, the ...
Sofia Karagiannopoulou   +3 more
wiley   +1 more source

Eigenvalue Problems for Fractional $p(x,y)$-Laplacian Equations with Indefinite Weight

open access: yesTaiwanese journal of mathematics, 2019
. In this paper, we consider a class of eigenvalue problems for fractional p ( x, y )-Laplacian equations with indefinite weight in fractional Sobolev space with variable exponent. Under some suitable conditions on the growth rates involved in the problem,
N. T. Chung
semanticscholar   +1 more source

Moore-Penrose inverses of Gram matrices Leaving a Cone Invariant in an Indefinite Inner Product Space

open access: yes, 2015
In this paper we characterize Moore-Penrose inverses of Gram matrices leaving a cone invariant in an indefinite inner product space using indefinite matrix multiplication.
Kurmayya, T., Reddy, K. Appi
core   +2 more sources

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