Results 31 to 40 of about 18,984 (255)

Classification of simple linearly compact Kantor triple systems over the complex numbers [PDF]

open access: yes, 2018
Simple finite dimensional Kantor triple systems over the complex numbers are classified in terms of Satake diagrams. We prove that every simple and linearly compact Kantor triple system has finite dimension and give an explicit presentation of all the ...
Cantarini, Nicoletta   +2 more
core   +2 more sources

Fuzzy Operator Ideals

open access: yesJournal of Applied Science and Engineering, 2022
Although the systematic emergence of the fuzzy functional analysis theory has started in the last few years, we are starting to construct a new theory of fuzzy operator ideals inspired by the classical (crisp) operator ideals theory.
Laith K. Shaakir   +2 more
doaj   +1 more source

Hechler's Theorem for tall analytic P-ideals

open access: yesThe Journal of Symbolic Logic, 2011
AbstractWe prove the following version of Hechler's classical theorem: For each partially ordered set (Q, ≤) with the property that every countable subset of Q has a strict upper bound in Q, there is a ccc forcing notion such that in the generic extension for each tall analytic P-ideal (coded in the ground model) a cofinal subset of is order ...
openaire   +2 more sources

A dichotomy for P-ideals of countable sets [PDF]

open access: yesFundamenta Mathematicae, 2000
Summary: A dichotomy concerning ideals of countable subsets of some set is introduced and proved compatible with the Continuum Hypothesis. The dichotomy has influence not only on the Suslin Hypothesis or the structure of Hausdorff gaps in the quotient algebra \({\mathcal P}({\mathbb N})/\text{fin}\) but also on some higher order statements like for ...
openaire   +2 more sources

Rothberger gaps in fragmented ideals

open access: yes, 2014
The~\emph{Rothberger number} $\mathfrak{b} (\mathcal{I})$ of a definable ideal $\mathcal{I}$ on $\omega$ is the least cardinal $\kappa$ such that there exists a Rothberger gap of type $(\omega,\kappa)$ in the quotient algebra $\mathcal{P} (\omega ...
Brendle, Jörg, Mejía, Diego A.
core   +1 more source

Some characterizations of (¯∈γ, ¯∈γ v ¯qδ)-fuzzy fantastic ideals in BCH-algebras - doi: 10.4025/actascitechnol.v35i1.15897

open access: yesActa Scientiarum: Technology, 2013
In this paper, the concepts of (∈γ,∈γ vqδ)-fuzzy fantastic ideals and (¯∈γ, ¯∈γ v ¯qδ)-fuzzy fantastic ideals in BCH-algebras are introduced and investigate some of their properties. 
Muhammad Zulfiqar
doaj   +1 more source

Limit points of subsequences

open access: yes, 2019
Let $x$ be a sequence taking values in a separable metric space and $\mathcal{I}$ be a generalized density ideal or an $F_\sigma$-ideal on the positive integers (in particular, $\mathcal{I}$ can be any Erd{\H o}s--Ulam ideal or any summable ideal). It is
Balcerzak   +31 more
core   +1 more source

Upacicalcet: A Novel Intravenous Calcimimetic Agent for Patients Undergoing Hemodialysis With Secondary Hyperparathyroidism

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Secondary hyperparathyroidism (SHPT) is a common complication in patients receiving maintenance dialysis, driven by calcium and phosphate metabolism disturbances. Calcimimetics are central to the management of SHPT by enhancing calcium‐sensing receptor sensitivity and reducing parathyroid hormone secretion.
Fumihiko Koiwa   +3 more
wiley   +1 more source

Regularity of n-P-V-Rings and n-P-V’-Rings

open access: yesAxioms
The regularity of the n-P-V-rings and n-P-V’-rings is systematically investigated in this paper. Employing the notions of quasi-ideals, weakly left (or right) ideals, and generalized weak ideals, we focus on investigating the strong π-regularity and weak
Liuwen Li, Wenlin Zou, Ying Li
doaj   +1 more source

Preimages for the Shimura map on Hilbert modular forms

open access: yes, 2014
In this article we give a method to construct preimages for the Shimura correspondence on Hilbert modular forms of odd and square-free level. The method relies in the ideas presented for the rational case by Pacetti and Tornar\'ia, and is such that the ...
Sirolli, Nicolás
core   +1 more source

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