Results 41 to 50 of about 2,835 (222)

Inequalities for $\Lambda$-derivatives of functions defined on a metric space and some of their applications

open access: yesResearches in Mathematics
We introduce a concept of a $\Lambda$-derivative operator, which is a certain generalization of hypersingular integral operators, which in turn are used in the definitions of the Marchaud and the Riesz fractional derivatives.
V. Babenko   +3 more
doaj   +1 more source

Non‐negative Gaussian estimation of variance components in random effects models

open access: yesCanadian Journal of Statistics, EarlyView.
Abstract When used to estimate variance components (VCs), confidence intervals (CIs) can be truncated at zero, have a point estimate not in the quoted CI, be empty with positive probability, or be all‐inclusive. This is because they have conflicting dual roles, since they are considered to cover the parameter with a specified probability while also ...
André Plante, Michael Plante
wiley   +1 more source

Kolmogorov complexity of enumerating finite sets [PDF]

open access: yes, 2007
In this paper, we show that the constant 3 in Solovay's inequality, relating the negative logarithm of the a priori probability and Kolmogorov complexity for the problems of enumerating finite sets, can be replaced by the constant ...
Nikolai K. Vereshchagin   +2 more
core   +1 more source

Etemadi and Kolmogorov Inequalities in Noncommutative Probability Spaces [PDF]

open access: yesMichigan Mathematical Journal, 2019
17 pages; to appear in Michigan Math ...
Talebi, Ali   +2 more
openaire   +4 more sources

Scrutinizing the Wallacean shortfall: global gaps in snake occurrence data across space and environment

open access: yesEcography, EarlyView.
Occurrence records are fundamental for ecological and evolutionary research, providing key information on species' geographic ranges. However, these records are often taxonomically, spatially, and temporally biased, requiring caution in their use. Here, we analysed the spatial coverage of occurrence records for over 3500 snake species worldwide to ...
Lívia Frateles   +5 more
wiley   +1 more source

The comparison of the effect of electronic content with the Neo-Neo multimedia model and the researcher-made multimedia model on student-teachers’ learning in smart board training [PDF]

open access: yesFanāvarī-i āmūzish, 2020
Neo multimedia model and the researcher-made multimedia model on student teachers’ learning in smart board training. To produce multimedia electronic content, various models have been proposed, such as the software development life cycle model and the ...
Kh. Aliabadi, H. Abbasi
doaj   +1 more source

Some Inequalities for Functions of Bounded Variation with Applications to Landau Type Results

open access: yes, 2006
Some inequalities for functions of bounded variation that provide reverses for the inequality between the integral mean and the p−norm for p Є [1,∞] are established.
Dragomir, Sever S, S.S. Dragomir
core   +1 more source

Weighted Hardy’s inequalities and Kolmogorov-type operators [PDF]

open access: yesApplicable Analysis, 2017
We give general conditions to state the weighted Hardy inequality \[ c\int_{\mathbb{R}^N}\frac{φ^2} {|x|^2}dμ\leq\int_{\mathbb{R}^N}|\nabla φ|^2 dμ+C\int_{\mathbb{R}^N} φ^2dμ,\quad φ\in C_c^{\infty}(\mathbb{R}^N),\,c\leq c_{0,μ}, \] with respect to a probability measure $dμ$. Moreover, the optimality of the constant $c_{0,μ}$ is given.
CANALE, Anna   +3 more
openaire   +2 more sources

The Protective Paradox: Can School Connectedness Buffer Socioeconomic Disparities in Adolescent Mental Health?

open access: yesJournal of Adolescence, EarlyView.
ABSTRACT Introduction Socioeconomic status (SES) is a well‐established factor influencing adolescents’ mental health, as young people from disadvantaged backgrounds are more likely to experience stress, anxiety, and poorer overall wellbeing. One factor that may help protect students from these negative outcomes is school connectedness which is the ...
Esther Ariyo   +2 more
wiley   +1 more source

Numerical Solution of Fokker-Planck-Kolmogorov Time Fractional Differential Equations Using Legendre Wavelet Method Along with convergence and error analysis [PDF]

open access: yesمدل‌سازی پیشرفته ریاضی
The purpose of this paper is to present an efficient numerical method for finding numerical solutions Fokker-Planck-Kolmogorov time-fractional differential equations.The Legendre wavelet approach was employed for this objective. The Legendre wave was the
شعبان محمدی   +1 more
doaj   +1 more source

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