BACKGROUND 214 orthoptists' infants have been followed for up to 15 years, relating neonatal misalignment (NMs) behaviour to onset of convergence and 20 Delta base out prism response, and also to later childhood ocular abnormalities. METHODS In a prospective postal survey, orthoptist mothers observed their own infants during the first months of life and regularly reported ocular behaviour and...

In this paper, using the fractional difference operator and a modulus function we introduce concepts of $({}^{}_{2}{\Delta_{\beta}^{\tilde{\alpha}}},f)-$ statistical convergence, $({}^{}_{2}{\Delta^{\tilde{\alpha}}},f)-$ Cauchy p-strongly Cesàro summability, $(0<p<\infty)$ for double sequences. We also give some inclusion relations between convergence summability $(0<p<\infty)$.

let $r$ be a 2-torsion free ring and $u$ be a square closed lie ideal of $r$. suppose that $alpha, beta$ are automorphisms of $r$. an additive mapping $delta: r longrightarrow r$ is said to be a jordan left $(alpha,beta)$-derivation of $r$ if $delta(x^2)=alpha(x)delta(x)+beta(x)delta(x)$ holds for all $xin r$. in this paper it is established that if $r$ admits an additive mapping $g : rlongrigh...

(13)C nuclear shielding and (13)C-(13)C spin-spin coupling tensors were calculated using density functional theory linear response methods for a series of planar hydrocarbons. As calculation of the spin-spin coupling is computationally demanding for large molecules due to demands placed on basis-set quality, novel, compact completeness-optimized (co) basis sets of high quality were employed. To...

CRDTs are distributed data types that make eventual consistency of a distributed object possible and non ad-hoc. Specifically, state-based CRDTs achieve this by sharing local state changes through shipping the entire state, that is then merged to other replicas with an idempotent, associative, and commutative join operation, ensuring convergence. This imposes a large communication overhead as t...

Although micro-lensing of macro-lensed quasars and supernovae provides unique opportunities for several kinds investigations, it can add unwanted sometimes substantial noise. While flux anomalies may be safely ignored some observations, they severely limit others. "Worst-case" estimates inform the decision whether or not to undertake an extensive examination scenarios. Here, we report "worst-ca...

Linear wave equations sourced by a Dirac delta distribution $\delta(x)$ and its derivative(s) can serve as model for many different phenomena. We describe discontinuous Galerkin (DG) method to numerically solve such with source terms proportional $\partial^n \delta /\partial x^n$. Despite the presence of singular terms, which imply or potentially solutions, our DG achieves global spectral accur...

This paper is an attempt to prove the following result:Let $n>1$ be an integer and let $mathcal{R}$ be a $n!$-torsion-free ring with the identity element. Suppose that $d, delta, varepsilon$ are additive mappings satisfyingbegin{equation}d(x^n) = sum^{n}_{j=1}x^{n-j}d(x)x^{j-1}+sum^{n-1}_{j=1}sum^{j}_{i=1}x^{n-1-j}Big(delta(x)x^{j-i}varepsilon(x)+varepsilon(x)x^{j-i}delta(x)Big)x^{i-1}quadend{e...