Results 21 to 30 of about 2,716 (196)

Ulam Stabilities and Instabilities of Euler–Lagrange-Rassias Quadratic Functional Equation in Non-Archimedean IFN Spaces

open access: yesMathematics, 2021
In this paper, we use direct and fixed-point techniques to examine the generalised Ulam–Hyers stability results of the general Euler–Lagrange quadratic mapping in non-Archimedean IFN spaces (briefly, non-Archimedean Intuitionistic Fuzzy Normed spaces ...
Kandhasamy Tamilvanan   +3 more
doaj   +1 more source

A Generalized Archimedean Property

open access: yesReal Analysis Exchange, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Bényi, árpád   +2 more
openaire   +3 more sources

ON THE ARCHIMEDEAN CHARACTERIZATION OF PARABOLAS [PDF]

open access: yesBulletin of the Korean Mathematical Society, 2013
Archimedes knew that the area between a parabola and any chord $AB$ on the parabola is four thirds of the area of triangle $ΔABP$ where P is the point on the parabola at which the tangent is parallel to $AB$. We consider whether this property (and similar ones) characterizes parabolas. We present five conditions which are necessary and sufficient for a
Kim, Dong-Soo, Kim, Young Ho
openaire   +2 more sources

Non-Archimedean Welch Bounds and Non-Archimedean Zauner Conjecture

open access: yesSSRN Electronic Journal, 2022
Let $\mathbb{K}$ be a non-Archimedean (complete) valued field satisfying \begin{align*} \left|\sum_{j=1}^{n}\lambda_j^2\right|=\max_{1\leq j \leq n}|\lambda_j|^2, \quad \forall \lambda_j \in \mathbb{K}, 1\leq j \leq n, \forall n \in \mathbb{N}. \end{align*} For $d\in \mathbb{N}$, let $\mathbb{K}^d$ be the standard $d$-dimensional non-Archimedean ...
openaire   +3 more sources

Condition pseudospectrum in non-Archimedean Banach spaces [PDF]

open access: yesJournal of Mahani Mathematical Research
In this article, we introduce and study the condition pseudospectrum of bounded linear operator pencils on non-Archimedean Banach spaces. We obtain a characterization of the condition pseudospectrum of bounded linear operator pencils on non-Archimedean ...
Jawad Ettayb
doaj   +1 more source

Construction and sampling of Archimedean and nested Archimedean Lévy copulas

open access: yesJournal of Multivariate Analysis, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Oliver Grothe, Marius Hofert
openaire   +2 more sources

Deep Archimedean Copulas

open access: yesCoRR, 2020
A central problem in machine learning and statistics is to model joint densities of random variables from data. Copulas are joint cumulative distribution functions with uniform marginal distributions and are used to capture interdependencies in isolation from marginals.
Chun Kai Ling   +2 more
openaire   +3 more sources

Non-Archimedean Sendov’s Conjecture [PDF]

open access: yesp-Adic Numbers, Ultrametric Analysis and Applications, 2022
We prove non-archimedean analogue of Sendov's conjecure. We also provide complete list of polynomials over an algebraically closed non-archimedean field $K$ that satisfy the optimal bound in the Sendov's conjecture.
Choi, Daebeom, Lee, Seewoo
openaire   +3 more sources

Estimation of Tail Value at Risk for Bivariate Portfolio using Gumbel Copula

open access: yesJTAM (Jurnal Teori dan Aplikasi Matematika)
Investing in the stock market involves complex risks, especially under extreme and unpredictable conditions. While Value at Risk (VaR) is a widely used risk measure, it has limitations in capturing tail-end risks.
Fransiska Fransiska   +2 more
doaj   +1 more source

Nearly Ring Homomorphisms and Nearly Ring Derivations on Non-Archimedean Banach Algebras

open access: yesAbstract and Applied Analysis, 2010
We prove the generalized Hyers-Ulam stability of homomorphisms and derivations on non-Archimedean Banach algebras. Moreover, we prove the superstability of homomorphisms on unital non-Archimedean Banach algebras and we investigate the superstability of ...
Madjid Eshaghi Gordji
doaj   +1 more source

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