Results 11 to 20 of about 120,273 (275)

Interior regularity criteria for suitable weak solutions of the Navier-Stokes equations [PDF]

open access: yes, 2006
We present new interior regularity criteria for suitable weak solutions of the 3-D Navier-Stokes equations: a suitable weak solution is regular near an interior point $z$ if either the scaled $L^{p,q}_{x,t}$-norm of the velocity with $3/p+2/q\leq 2$, $1 ...
E. Hopf   +36 more
core   +2 more sources

A Study of GD- Implications, a New Hyper Class of Fuzzy Implications

open access: yesMathematics, 2021
In this paper, we introduce and study the GD′-operations, which are a hyper class of the known D′-operations. GD′-operations are in fact D′-operations, that are generated not only from the same fuzzy negation.
Dimitrios S. Grammatikopoulos   +1 more
doaj   +1 more source

Mining data quality rules based on T-dependence [PDF]

open access: yes, 2019
Since their introduction in 1976, edit rules have been a standard tool in statistical analysis. Basically, edit rules are a compact representation of non-permitted combinations of values in a dataset.
Boeckling, Toon   +2 more
core   +1 more source

Fuzzy metric topology space and manifold [PDF]

open access: yesJournal of Fuzzy Extension and Applications, 2023
This paper, considers the fuzzy topological subsets, fuzzy topological spaces and introduces a novel concept of fuzzy Hausdorff space and fuzzy manifold space in this regards. Based on these concepts, we present a concept of fuzzy metric Hausdorff spaces
Mahdi Mollaei Arani
doaj   +1 more source

A note on drastic product logic [PDF]

open access: yes, 2014
The drastic product $*_D$ is known to be the smallest $t$-norm, since $x *_D y = 0$ whenever $x, y < 1$. This $t$-norm is not left-continuous, and hence it does not admit a residuum.
B. Schweizer   +9 more
core   +1 more source

Consistency Properties for Fuzzy Choice Functions: An Analysis with the Łukasiewicz T-Norm

open access: yesAxioms, 2018
We focus on the relationships among some consistency axioms in the framework of fuzzy choice functions. In order to help disclose the role of the t-norm in existing analyses, we start to study the situation that arises when we replace the standard t-norm
Susana Díaz   +2 more
doaj   +1 more source

T-Equivalences: The Metric Behavior Revisited

open access: yesMathematics, 2020
Since the notion of T-equivalence, where T is a t-norm, was introduced as a fuzzy generalization of the notion of crisp equivalence relation, many researchers have worked in the study of the metric behavior of such fuzzy relations.
Pilar Fuster-Parra   +3 more
doaj   +1 more source

The norming set of a symmetric bilinear form on the plane with the supremum norm

open access: yesМатематичні Студії, 2021
An element $(x_1, \ldots, x_n)\in E^n$ is called a {\em norming point} of $T\in {\mathcal L}_s(^n E)$ if $\|x_1\|=\cdots=\|x_n\|=1$ and $|T(x_1, \ldots, x_n)|=\|T\|,$ where ${\mathcal L}_s(^n E)$ denotes the space of all symmetric continuous $n$-linear ...
S. G. Kim
doaj   +1 more source

Plithogenic sets and their application in decision making [PDF]

open access: yesNeutrosophic Sets and Systems, 2020
There are various mathematical tools available to measure the level of accuracy such as Crisp, Fuzzy, Intuitionistic fuzzy sets and Neutosophic set. Further, Plithogenic set is a generalization of these four sets.
S.Gomathy   +3 more
doaj   +1 more source

An extension method for t-norms on subintervals to t-norms on bounded lattices [PDF]

open access: yesKybernetika, 2020
The authors propose a construction method extending the t-norm defined on the subinterval \([a,b]\) of a bounded lattice \(L\) to the same lattice \(L\). The extended t-norm obtained by the given method coincides with the method of \textit{Ü. Ertuğrul}, \textit{F. Karaçal}, and \textit{R.
Karaçal, Funda   +2 more
openaire   +2 more sources

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