Results 11 to 20 of about 64 (64)

A note on stochastic dominance, uniform integrability and lattice properties

open access: yesBulletin of the London Mathematical Society, Volume 52, Issue 5, Page 907-923, October 2020., 2020
Abstract In this work, we discuss completeness for the lattice orders of first and second order stochastic dominance. The main results state that both first‐ and second‐order stochastic dominance induce Dedekind super complete lattices, that is, lattices in which every bounded nonempty subset has a countable subset with identical least upper bound and ...
Max Nendel
wiley   +1 more source

The best possible unification for any collection of physical theories

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2004, Issue 17, Page 861-872, 2004., 2004
We show that the set of all finitary consequence operators defined on any nonempty language is a join‐complete lattice. This result is applied to various collections of physical theories to obtain an unrestricted standard supremum unification. An unrestricted hyperfinite ultralogic unification for sets of physical theories is also obtained.
Robert A. Herrmann
wiley   +1 more source

The prime filter theorem of lattice implication algebras

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 25, Issue 2, Page 115-118, 2001., 2001
Using a special set x−1F, we give an equivalent condition for a filter to be prime, and applying this result, we provide the prime filter theorem in lattice implication ...
Young Bae Jun
wiley   +1 more source

On n‐fold implicative filters of lattice implication algebras

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 26, Issue 11, Page 695-699, 2001., 2001
We introduce the notion of n‐fold implicative filters and n‐fold implicative lattice implication algebras. We give characterizations of n‐fold implicative filters and n‐fold implicative lattice implication algebras. Finally, we construct an extension property for n‐fold implicative filter.
Young Bae Jun
wiley   +1 more source

Some operations on lattice implication algebras

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 27, Issue 1, Page 45-52, 2001., 2001
We introduce the concept of a ⊗‐closed set and a ⊗‐homomorphism in lattice implication algebras, and we discuss some of their properties. Next, we introduce the fuzzy implicative filter and obtain equivalent conditions. Finally, we discuss the operation ⊗, fuzzy filters and fuzzy implicative filters.
E. H. Roh   +3 more
wiley   +1 more source

Some properties of n-dimensional (∈γ, ∈γ, ∨qδ)-fuzzy subalgebra in BRK-algebras

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2016
The purpose of this paper is to initiate the concept of n-dimensional (∈γ, ∈γ, ∨qδ)-fuzzy subalgebra in BRK-algebra and investigate some of their related properties.
Zulfiqar Muhammad
doaj   +1 more source

(In)Security of Ring-LWE Under Partial Key Exposure

open access: yesJournal of Mathematical Cryptology, 2020
We initiate the study of partial key exposure in Ring-LWE (RLWE)-based cryptosystems. Specifically, we (1) Introduce the search and decision Leaky R-LWE assumptions (Leaky R-SLWE, Leaky R-DLWE), to formalize the hardness of search/decision RLWE under ...
Dachman-Soled Dana   +3 more
doaj   +1 more source

Hyperfinite and standard unifications for physical theories

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 28, Issue 2, Page 93-102, 2001., 2001
A set of physical theories is represented by a nonempty subset {SNjV|j∈ℕ} of the lattice of consequence operators defined on a language Λ. It is established that there exists a unifying injection 𝒮 defined on the nonempty set of significant representations for natural systems M ⊂ Λ. If W ∈ M, then 𝒮W is a hyperfinite ultralogic and ⋃{SNjV(W)|j∈ℕ}=𝒮W(*W)
Robert A. Herrmann
wiley   +1 more source

Rough sets based on fuzzy ideals in distributive lattices

open access: yesOpen Mathematics, 2020
In this paper, we present a rough set model based on fuzzy ideals of distributive lattices. In fact, we consider a distributive lattice as a universal set and we apply the concept of a fuzzy ideal for definitions of the lower and upper approximations in ...
Yang Yongwei, Zhu Kuanyun, Xin Xiaolong
doaj   +1 more source

Fantastic filters of lattice implication algebras

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 24, Issue 4, Page 277-281, 2000., 2000
The notion of a fantastic filter in a lattice implication algebra is introduced, and the relations among filter, positive implicative filter, and fantastic filter are given. We investigate an equivalent condition for a filter to be fantastic, and state an extension property for fantastic filter.
Young Bae Jun
wiley   +1 more source

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