Optimum Akm Burn Planning for Orbital Transfer of Koreast by Woo-Young Song, Kyu-Hong Choi

“…Using X-Window system (Motif Graphic User Interface), the AKM (Apogee Kick Motor) firing software for Koreasat which will be launched in 1995 has been developed to transfer the spacecraft from its transfer orbit, provided by the DeltaII launch vehicle, into a nearly geostationary drift orbit. …”
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Utility of dermoscopy in the diagnosis of erythroderma: A cross-sectional study by Jayati Batra, Samridhi Gulati, Rishu Sarangal, Dimple Chopra, Sulabh Puri, Ravneet Kaur

“…Dermoscopy was performed on every case using a Heine Delta II Dermatoscope with 10x magnification in polarized mode. …”
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Sounding of the Atmosphere Using Broadband Emission Radiometry (SABER): Instrument and Science Measurement Description by Roy Esplin, Martin G. Mlynczak, James Russell, Larry Gordley, The SABER Team

“…The TIMED spacecraft was launched into a 625 km circular polar orbit (74.1° inclination) via a Boeing Delta II rocket from Vandenberg Air Force Base on 7 December 2001. …”
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Deposition and preservation of fluvio‐tidal shallow‐marine sandstones: A re‐evaluation of the Neoproterozoic Jura Quartzite (western Scotland) by Levell, B, Johnson, H, Collins, D, Van Cappelle, M

“…Three issues are addressed: (i) evidence for the re‐interpretation from tidal shelf to tidal delta; (ii) reasons for vertical facies uniformity; and (iii) sand supply mechanisms to form thick tidal‐shelf sandstones. …”

Discovery and characterization of a novel telomerase alternative splicing isoform that protects lung cancer cells from chemotherapy induced cell death by Jeongjin J. Kim, Alexander Ahn, Jeffrey Y. Ying, Andrew T. Ludlow

“…Our results suggest that TERT Delta 2–4 enhances cancer cells’ resistance to cell death. …”
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Coordinated neuron-glia regeneration through Notch signaling in planarians. by M Lucila Scimone, Bryanna Isela-Inez Canales, Patrick Aoude, Kutay D Atabay, Peter W Reddien

“…Loss of several delta-2-expressing neuron classes prevented differentiation of the glia associated with them, whereas transplantation of delta-2-expressing photoreceptor neurons was sufficient for glia formation at an ectopic location. …”
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Tree Languages Defined in First-Order Logic with One Quantifier Alternation by Mikolaj Bojanczyk, Luc Segoufin

“…We study tree languages that can be defined in \Delta_2 . These are tree languages definable by a first-order formula whose quantifier prefix is forall exists, and simultaneously by a first-order formula whose quantifier prefix is . …”
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Unique and common features of innate-like human Vδ2+ γδT cells and mucosal-associated invariant T cells by Provine, N, Binder, B, FitzPatrick, M, Schuch, A, Garner, L, Williamson, K, van Wilgenburg, B, Thimme, R, Klenerman, P, Hofmann, M

“…We could link CD161 expression on V[delta]2+ versus V[delta]1+ [gamma][delta]T cells to the observation that V[delta]2+ [gamma][delta]T cells, but not V[delta]1+ [gamma][delta]T cells, robustly produced IFN-[gamma] upon stimulation with a variety of cytokine combinations. …”

Asymptotic stability for solutions of a coupled system of quasi-linear viscoelastic Kirchhoff plate equations by Zayd Hajjej

“…In this manuscript, we study the asymptotic stability of solutions of two coupled quasi-linear viscoelastic Kirchhoff plate equations involving free boundary conditions, and accounting for rotational forces $ \begin{eqnarray*} &&\vert y_t\vert^{\rho}y_{tt}-\Delta y_{tt}+\Delta^{2}y- \int_0^t h_1(t-s)\Delta^2 y(s)\;ds+f_1(y, z) = 0,\\\\ &&\vert z_t\vert^{\rho}z_{tt}-\Delta z_{tt}+\Delta^{2}z- \int_0^t h_2(t-s)\Delta^2 z(s)\;ds+f_2(y, z) = 0. …”
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Oscillatory behavior for nonlinear homogeneous neutral difference equations of second order with coefficient changing sign by Ajit Kumar Bhuyan, Laxmi Narayan Padhy, Radhanath Rath

“…In this article, we obtain sufficient conditions so that all solutions of the neutral difference equation $$ \Delta^{2}\big(y_n-p_n L(y_{n-s})\big) + q_nG(y_{n-k})=0, $$ and all unbounded solutions of the neutral difference equation $$ \Delta^{2}\big(y_n-p_n L(y_{n-s})\big) + q_nG(y_{n-k}) -u_nH(y_{\alpha(n)})=0 $$ are oscillatory, where $\Delta y_n = y_{n+1}-y_n$, $\Delta^2 y_n =\Delta(\Delta y_n)$. …”
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Oscillatory and asymptotic behavior of fourth order quasilinear difference equations by Ethiraju Thandapani, M. Vijaya

“…The authors consider the fourth order quasilinear difference equation $$\Delta^{2}\left(p_{n}|\Delta^{2}x_n|^{\alpha-1}\Delta^{2}x_n\right)+q_{n}|x_{n+3}|^{\beta -1}x_{n+3}=0,$$ where $\alpha$ and $\beta$ are positive constants, and ${\{p_{n}\}}$ and ${\{q_{n}\}}$ are positive real sequences. …”
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Existence and decay of solutions to a viscoelastic plate equation by Salim A. Messaoudi, Soh Edwin Mukiawa

“…In this article we study the fourth-order viscoelastic plate equation $$ u_{tt} + \Delta^2 u -\int_0^t g(t-\tau)\Delta^2u(\tau)d\tau = 0 $$ in the bounded domain $\Omega=(0,\pi)\times(-\ell,\ell)\subset\mathbb{R}^2$ with non traditional boundary conditions. …”
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Anomalous diffusion and ergodicity breaking in heterogeneous diffusion processes by Andrey G Cherstvy, Aleksei V Chechkin, Ralf Metzler

“…We analyse the non-ergodic behaviour of this process in terms of the time-averaged mean-squared displacement $\overline {\delta ^2}$ and its random features, i.e. the statistical distribution of $\overline {\delta ^2}$ and the ergodicity breaking parameters. …”
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Existence of positive solutions for Lidstone boundary value problems on time scales by Erbil Çetin, Fatma Serap Topal, Ravi P. Agarwal

“…$$\begin{aligned} &(-1)^{n} y^{\Delta ^{(2n)}}(t) = f\bigl(t, y(t)\bigr), \quad \text{$t\in [a,b]_{ \mathbb{T}}$,} \\ &y^{\Delta ^{(2i)}}(a)= y^{\Delta ^{(2i)}}\bigl(\sigma ^{2n-2i}(b)\bigr)=0,\quad i=0,1,\ldots,n-1. …”
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A characterization of $ b $-generalized skew derivations on a Lie ideal in a prime ring by Omaima Alshanqiti, Ashutosh Pandey, Mani Shankar Pandey

“…This paper investigates the analysis of $ \mathrm{b} $-generalized skew derivations, denoted as $ \Delta_1 $ and $ \Delta_2 $, within a prime ring $ \mathcal{R} $ with characteristic different from 2. …”
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Astrophysical insights into magnetic Penrose process around parameterized Konoplya–Rezzolla–Zhidenko black hole by Tursunali Xamidov, Sanjar Shaymatov, Pankaj Sheoran, Bobomurat Ahmedov

“…Our findings indicate that the rotational deformation parameter $$\delta _2$$ δ 2 is crucial for the efficiency of energy extraction from the BH. …”
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Reduction in T gamma delta cell numbers and alteration in subset distribution in systemic lupus erythematosus. by Lunardi, C, Marguerie, C, Bowness, P, Walport, M, So, A

“…There was a marked reduction in the V delta 2+ subset of T gamma delta cells, which resulted in a reversal of the ratio of V delta 2+/V delta 1+ cells from 4.34 to 0.56. …”

Generalized parton distributions of sea quark at zero skewness in the light-cone model by Xiaoyan Luan, Zhun Lu

“…We present the numerical results for $$H^{{\bar{u}}/P}(x,\xi ,\Delta ^2)$$ H u ¯ / P ( x , ξ , Δ 2 ) , $$H^{{\bar{d}}/P}(x,\xi ,\Delta ^2)$$ H d ¯ / P ( x , ξ , Δ 2 ) , $$E^{{\bar{u}}/P}(x,\xi ,\Delta ^2)$$ E u ¯ / P ( x , ξ , Δ 2 ) and $$E^{{\bar{d}}/P}(x,\xi ,\Delta ^2)$$ E d ¯ / P ( x , ξ , Δ 2 ) . …”
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A sharp Remez type inequalities for the functions with asymmetric restrictions on the oldest derivative by V.A. Kofanov, A.V. Zhuravel

“…For odd $r\in \mathbb{N}$; $\alpha, \beta >0$; $p\in [1, \infty]$; $\delta \in (0, 2 \pi)$, any $2\pi$-periodic function $x\in L^r_{\infty}(I_{2\pi})$, $I_{2\pi}:=[0, 2\pi]$, and arbitrary measurable set $B \subset I_{2\pi},$ $\mu B \leqslant \delta/\lambda,$ where $\lambda=$ $\left({\left\|\varphi_{r}^{\alpha, \beta}\right\|_{\infty} \left\| {\alpha^{-1}}{x_+^{(r)}} + {\beta^{-1}}{x_-^{(r)}}\right\|_\infty}{E^{-1}_0(x)_\infty}\right)^{1/r}$, we obtain sharp Remez type inequality $$E_0(x)_\infty \leqslant \frac{\|\varphi_r^{\alpha, \beta}\|_\infty}{E_0(\varphi_r^{\alpha, \beta})^{\gamma}_{L_p(I_{2\pi} \setminus B_\delta)}} \left\|x \right\|^{\gamma}_{{L_p} \left(I_{2\pi} \setminus B \right)}\left\| {\alpha^{-1}}{x_+^{(r)}} + {\beta^{-1}}{x_-^{(r)}}\right\|_\infty^{1-\gamma},$$ where $\gamma=\frac{r}{r+1/p},$ $\varphi_r^{\alpha, \beta}$ is non-symmetric ideal Euler spline of order $r$, $B_\delta:= \left[M- \delta_2, M+ \delta_1 \right]$, $M$ is the point of local maximum of spline $\varphi_r^{\alpha, \beta}$ and $\delta_1 > 0$, $\delta_2 > 0$ are such that $\varphi_r^{\alpha, \beta}(M+ \delta_1) = \varphi_r^{\alpha, \beta}(M- \delta_2), \;\; \delta_1 + \delta_2 = \delta .$ In particular, we prove the sharp inequality of Hörmander-Remez type for the norms of intermediate derivatives of the functions $x\in L^r_{\infty}(I_{2\pi})$.…”
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Estimation of q for ℓ q $\ell _{q}$ -minimization in signal recovery with tight frame by Kaihao Liang, Chaolong Zhang, Wenfeng Zhang

“…We estimated q 0 $q_{0}$ as q 0 = 2 / 3 $q_{0} = 2/3$ in the case of δ 2 s ≤ 1 / 2 $\delta _{2s}\leq 1/2$ and discussed that the value of q 0 $q_{0}$ can be much higher. …”
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