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Browsing School of Science and Technology (2015-2019) by Title
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Kominis, Yannis; Kovanis, Vassilios; Bountis, Tassos
(arXiv, 2018-08)
The fundamental active photonic dimer consisting of two coupled quantum well lasers is inves-
tigated in the context of the rate equation model. Spectral transition properties and exceptional
points are shown to occur ...
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Baki, Zhuldyzay
(Nazarbayev University School of Science and Technology, 2016-05)
In this report we present an SEIS model for infectious diseases with
latent period and no immune response for spatially heterogeneous environment. Spatial heterogeneity is designed by several metapopulations. It was shown ...
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Kominis, Yannis; Bountis, Tassos; Flach, Sergej
(ArXiv, 2017-06-23)
We analyze the stability of a non-Hermitian coupler with respect to modulational inhomogeneous perturbations in the presence of unbalanced gain and loss. At the parity-time (PT) symmetry point the coupler is unstable. ...
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Kominis, Yannis; Bountis, Tassos; Flach, Sergej
(Physical Review A, 2017-06-21)
We analyze the stability of a non-Hermitian coupler with respect to modulational inhomogeneous perturbations
in the presence of unbalanced gain and loss. At the parity-time (PT ) symmetry point the coupler is unstable.
Suitable ...
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Kairzhan, Adilbek
(Nazarbayev University School of Science and Technology, 2015-04)
The study of locations of zeroes of functions became popular among mathematicians
many years ago. This investigation contributes a lot to wide range of
theories and topics in Mathematics and Physics.
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Adaricheva, Kira
(2011)
An assosiahedron Kn, known also as Stasheff polytope, is a multifaceted
combinatorial object, which, in particular, can be realized as a convex
hull of certain points in Rn, forming (n − 1)-dimensional polytope1.
A ...
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Azamat, Daiana
(Nazarbayev University School of Science and Technology, 2016)
This paper presents the results of developing a statistical model for morphological
disambiguation of Kazakh text. Starting with basic assumptions we tried
to cope with the complex morphology of Kazakh language by breaking ...
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Oikonomou, Th.; Nergis, A.; Lazarides, N.; Tsironis, G.P.
(Chaos, Solitons & Fractals, 2014-12-01)
Abstract Nonequilibrium, quasi-stationary states of a one-dimensional “hard” ϕ4 deterministic lattice, initially thermalised to a particular temperature, are investigated when brought into contact with a stochastic thermal ...
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Bubin, Sergiy; Atkinson, Mackenzie; Varga, Kalman
(2012)
Field ionization and Coulomb explosion of small hydrocarbon molecules driven by intense laser pulses are studied in a combined theoretical and experimental framework. The spectra of ejected protons calculated by the ...
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Yesenov, M.; Beznosko, Dmitriy; Duspayev, A.; Iakovlev, A.
(International Conference on New Photo-detectors, 2015)
About half of all elements heavier than iron are produced in a stellar environment through the s process, which involves a series of subsequent neutron captures and α decays. The reaction 13C(α,n)16O is considered to be ...
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Kwon, O-Yeon; Lee, Min-Ho; Guan, Cuntai; Lee, Seong-Whan
(IEEE Transactions on Neural Networks and Learning Systems, 2020-10)
For a brain-computer interface (BCI) system, a calibration procedure is required for each individual user before he/she can use the BCI. This procedure requires approximately 20-30 min to collect enough data to build a ...
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Nussupbekov, Ayan
(Nazarbayev University School of Science and Technology, 2017-04)
The discovery of the gravitational waves opened various possibilities in astrophysics.
One of them is to use the supermassive black holes at the Galaxy center as focusing
lenses for gravitational waves. Because of it, ...
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Zharas, Banu
(Nazarbayev University School of Science and Technology, 2019-05-01)
In recent years, the study of synchronization of coupled oscillators have been the subject of intense research interest, leading to many new and unexpected phenomena. Our research is first focused on the analysis of a ...
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Lam, Kevin; Geiger, William E.
(Journal of Organometallic Chemistry, 2016-08-15)
Abstract Three compounds have been prepared in which a 4-aminochloroquinoline moiety is covalently linked to a cyclopentadienyl manganese tricarbonyl moiety. One of these (“cymanquine”, 4) is the analogue of the potent ...
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Wang, Kunjie; Ji, Qingjuan; Li, Hongxia; Guan, Feng; Zhang, Deyi; Feng, Huixia; Fan, Haiyan
(Journal of Inorganic Biochemistry, 2017-01-01)
Abstract In this work, hollow multiple-Ag-nanoclustes- C-shell nanocomposites (Ag@C) were synthesized by using silane coupling agent to graft carbon dots (CDs) with silver nanoparticles (AgNPs). CDs act as coating and ...
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Ould Ely, T.; Batyrbekuly, D.; Sugurbekov, Y.; Stambekova, D.; Doherty, M.F.; Bakenov, Z.
(Materials Today: Proceedings, 2017-01-01)
Abstract We have synthesized amorphous silicon-nanomaterials displaying high capacity and stable cyclability using an original organometallic approach. The method is based on the decomposition of silicon compounds 1Si-P1-U-2016 ...
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Kussainova, Ardak M.; Akselrud, Lev G.; Suen, Nian-Tzu; Voss, Leonard; Stoyko, Stanislav; Bobev, Svilen
(Journal of Solid State Chemistry, 2016-01-01)
Abstract The series of quaternary sulfides with general formula Ln2CuMS5 (Ln=La, Ce; M=Sb, Bi) have been synthesized by solid-state reactions. Three representative members have been structurally characterized by single-crystal ...
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Zhang, Yongguang; Zhao, Yan; Bakenov, Zhumabay; Tuiyebayeva, Madina; Konarov, Aishuak; Chen, P.
(Electrochimica Acta, 2014-10-10)
Abstract A novel porous sulfur/polypyrrole/multiwalled carbon nanotube composite (S/PPy/MWNT) was synthesized via in situ polymerization of pyrrole monomer with nano-sulfur and MWNT aqueous suspension followed by a low ...
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Kappassov, Zhanat; Corrales, Juan-Antonio; Perdereau, Véronique
(2016-05-06)
Tactile sensing is an essential element of autonomous dexterous robot hand manipulation. It provides information about
forces of interaction and surface properties at points of contact between the robot fingers and the ...
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Zhubanchaliyev, Altynbek; Temirbekuly, Aibar; Kongrtay, Kuralay; Wanshura, Leah C.; Kunz, Jeannette
(Frontiers in Pharmacology, 2016-12-01)
Liver fibrosis is the result of a deregulated wound healing process characterized by the excessive deposition of extracellular matrix. Hepatic stellate cells (HSCs), which are activated in response to liver injury, are the ...